JOB SPECIFICATION No.

6946-6-77-0005 Rev. 1

WELDING SPECIFICATION CHARTS FOR PIPING CLASSES

Page 1 of 24

1 25.11.08 NEW CLASSES ADDED & ISSUED AS JOB SPECIFICATION LJ VKS VKB

0 30.06.08 ISSUED AS JOB SPECIFICATION LJ VKS SC

Rev. No Date Purpose Prepared by Checked by Approved by

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

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WELDING SPECIFICATION CHARTS FOR PIPING CLASSES

JOB SPECIFICATION No.

6946-6-77-0005 Rev. 1

WELDING SPECIFICATION CHARTS FOR PIPING CLASSES

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

Abbreviations: GTAW : Gas Tungsten Arc Welding SMAW : Shielded Metal Arc Welding WPS : Welding Procedure Specification PQR : Procedure Qualification Record C.S. : Carbon Steel L.A.S. : Low Alloy Steel S.S. : Stainless Steel

JOB SPECIFICATION No.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

CONTENTS Sl. No.

Description Page No.

1. GENERAL NOTES 4

WELDING CHART FOR CLASSES A1A, A15A, A20A, A32A, A9A, B1A, B9A, D1A, D21A, G22A

5

WELDING CHART FOR CLASSES A2A, B2A, D2A 6

WELDING CHART FOR CLASSES A3A, A91A, A94A, J2A 7

WELDING CHART FOR CLASSES A5A, B25A, B26A, B5A, D26A, D5A, E25A, F25A 8

WELDING CHART FOR CLASSES A19A, A22A, A23A, B21A, B22A, B23A 9

WELDING CHART FOR CLASSES D2D 10

WELDING CHART FOR CLASSES F27A 11

WELDING CHART FOR CLASSES B5D, D5D, F25D, F26D 12

WELDING CHART FOR CLASSES B4F 13

WELDING CHART FOR CLASSES A1K, B1K, D1K 14

WELDING CHART FOR CLASSES A2K 15

WELDING CHART FOR CLASSES B22K 16

WELDING CHART FOR CLASSES B21N 17

WELDING CHART FOR CLASSES B25K 18

WELDING CHART FOR CLASSES F15M 19

WELDING CHART FOR CLASSES G5M, G57M 20

WELDING CHART FOR CLASSES A1N 21

WELDING CHART FOR CLASSES G25N 22

WELDING CHART FOR CLASSES F59V 23

WELDING CHART FOR CLASSES G49Q 24

JOB SPECIFICATION No.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

1.0 GENERAL NOTES 1.1 Scope :

This document covers the Welding Specification for the piping classes covered in the Piping Material Specification (6946-6-44-0005). WPS and PQR for the field fabrication and erection of piping system shall be made in conformity with this document. No deviations are acceptable unless specifically approved through prescribed deviation permit.

1.2 Reference Standards : This document shall be read in conjunction with the latest revisions/editions of the following

documents :

a. Job Specification for Non Destructive Examination Requirements of Piping, Spec. No. 6946-6-44-0016

b. Piping Material Specification, Spec. No. 6946-6-44-0005 c. ASME Boiler & Pressure Vessel Code – Sections V, VIII(Div.-1), IX & II-C d. ASME B31.3 e. ASTM E10 f. Standard Specification for Fabrication & Erection of Piping, EIL Spec.No. 6-44-0012 g. Welding Specification for Fabrication of Piping, EIL Spec. No. 6-77-0001 h. Indian Boiler Regulations (IBR)

1.3 GTAW process can be applied in place of SMAW process with a corresponding suitable filler

metal for the application.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

A1A, A15A, A20A, A32A, A9A, B1A, B9A, D1A, D21A, G22A

PIPES ASTM A 106 GR.B, ASTM A 672 GR.B60 CL.12 FITTINGS ASTM A 105, ASTM A234 GR.WPB, ASTM A234 GR.WPBW FLANGES ASTM A 105, A516 GR.70

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 1 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

SMAW GTAW (NOTES-4,5)

FILLER PASS SMAW GTAW (NOTES-4)

ROOT PASS SMAW GTAW (NOTE-5)

FILLER PASS SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

E6010/E6013 (NOTE-2) ER70 SG/ ER70S-2 (NOTES-4,5)

FILLER PASS E7016/E7018 ER70S-2 (NOTES-4)

ROOT PASS E6010/E6013 (NOTE-2) ER70 SG/ ER70S-2 (NOTES-5)

FILLER PASS E7016/E7018

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E7016/E7018 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING - SHIELDING ARGON GAS COMPOSITION PURGING - SHIELDING 99.995% PREHEATING NOTE-3

PREHEAT TEMP 10°C MIN./ 100°C (FOR THK>=25.4MM) POST HEATING -

CONTINUITY OF WELDING AND PREHEAT - HOLDING TEMP - 595-620OC HOLDING TIME 1 HR PER INCH THK RATE OF HEATING - 200OC/hr MAX. MIN HOLDING TIME 1 HR.

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING - Controlled RATE OF COOLING 200OC/hr MAX.

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS - 200 BHN MAX

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. HEAT TREATMENT SHALL BE DONE AS PER ASME B31.3 FOR WALL THICKNESS EXCEEDING 19MM. 2. E6013 MAY BE USED FOR ROOT PASS PROVIDED UNIFORM ROOT PENETRATION IS OBTAINABLE AND IS DEMONSTRATED THROUGH

PROCEDURE QUALIFICATION. 3. PRE-HEAT TEMPERATURE OF ATLEAST 50°C SHALL BE PROVIDED FOR THE FIRST TWO PASSES FOR THK. >=12.7MM & <25.4MM 4. GTAW SHALL BE EMPLOYED FOR ENTIRE WELDING FOR SMALL BORE PIPING OF DIAMETER 2” AND SMALLER. 5. GTAW SHALL BE EMPLOYED FOR THE ROOT PASS FOR ALL THE SIZES FOR PIPING CLASSES WITH 100% RADIOGRAPHY AS PER 6946-6-44-0016.

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PIPING CLASS:

A2A, B2A, D2A

PIPES ASTM A 106 GR.B, ASTM A 672 GR.B60 CL.12 FITTINGS ASTM A 105, ASTM A234 GR.WPB, ASTM A234 GR.WPBW FLANGES ASTM A 105, A516 GR.70

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 1 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

SMAW GTAW (NOTES-4,5)

FILLER PASS SMAW GTAW (NOTES-4)

ROOT PASS SMAW GTAW (NOTE-5)

FILLER PASS SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

E6010/E6013 (NOTE-2) ER70 SG/ ER70S-2 (NOTES-4,5)

FILLER PASS E7016/E7018 ER70S-2 (NOTES-4)

ROOT PASS E6010/E6013 (NOTE-2) ER70 SG/ ER70S-2 (NOTES-5)

FILLER PASS E7016/E7018

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E7016/E7018 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3 & IBR

GASES PURGING - SHIELDING ARGON GAS COMPOSITION PURGING - SHIELDING 99.995% PREHEATING NOTE-3

PREHEAT TEMPERATURE 10°C MIN./ 100°C (FOR THK>=25.4MM) POST HEATING -

CONTINUITY OF WELDING AND PREHEAT - HOLDING TEMP 620-660OC HOLDING TIME I HOUR PER INCH THK RATE OF HEATING 200ºC/hr MAX. MIN HOLDING TIME 1 HOUR

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING CONTROLLED RATE OF COOLING 200ºC/hr MAX.

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS - 200 BHN MAX

CODE OF FABRICATION ASME B31.3 & IBR TECHNICAL NOTES :

1. HEAT TREATMENT SHALL BE DONE AS PER IBR FOR WALL THICKNESS EXCEEDING 19MM. 2. E6013 MAY BE USED FOR ROOT PASS PROVIDED UNIFORM ROOT PENETRATION IS OBTAINABLE AND IS DEMONSTRATED THROUGH

PROCEDURE QUALIFICATION. 3. PRE-HEAT TEMPERATURE OF ATLEAST 50°C SHALL BE PROVIDED FOR THE FIRST TWO PASSES FOR THK. >=12.7MM & <25.4MM 4. GTAW SHALL BE EMPLOYED FOR ENTIRE WELDING FOR SMALL BORE PIPING OF DIAMETER 2” AND SMALLER. 5. GTAW SHALL BE EMPLOYED FOR THE ROOT PASS FOR ALL THE SIZES FOR PIPING CLASSES WITH 100% RADIOGRAPHY AS PER 6946-6-44-0016.

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PIPING CLASS:

A3A, A91A, A94A, J2A

PIPES API 5L GR.B PSL1, ASTM A 106 GR.B, IS 1239, IS 3589 GR.330, IS 3589 GR.410 FITTINGS ASTM A 105, ASTM A234 GR.WPB, ASTM A234 GR.WPBW, IS 1239, IS 3589 GR.330, IS 3589 GR.410 FLANGES ASTM A 105, ASTM A 285 GR.C

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 1 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

SMAW FILLER PASS SMAW ROOT PASS SMAW FILLER PASS SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

E6010/E6013 FILLER PASS E6013/E7016/E7018

ROOT PASS E6010/E6013

FILLER PASS E6013/E7016/E7018

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E6013/E7016/E7018 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING - SHIELDING - GAS COMPOSITION PURGING - SHIELDING - PREHEATING

PREHEAT TEMP 10°C MIN. POST HEATING -

CONTINUITY OF WELDING AND PREHEAT - HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT

METHOD OF COOLING - RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

A5A, B25A, B26A, B5A, D26A, D5A, E25A, F25A

PIPES ASTM A 106 GR.B, ASTM A 672 GR.B60 CL.32 FITTINGS ASTM A 105, ASTM A234 GR.WPB, ASTM A234 GR.WPBW FLANGES ASTM A 105

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 1 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW (NOTE-2)

ROOT PASS GTAW FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER70S-2 FILLER PASS ER70S-2/ E7018

ROOT PASS ER70S-2

FILLER PASS ER70S-2/ E7018

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E7018 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING - SHIELDING ARGON GAS COMPOSITION PURGING - SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C MIN./

100°C (FOR THK>=25.4MM) POST HEATING -

CONTINUITY OF WELDING AND PREHEAT - HOLDING TEMP - 595-620OC HOLDING TIME - 1 hr/inch RATE OF HEATING - 200OC/hr MAX. MIN HOLDING TIME - 1 hr

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING - Controlled RATE OF COOLING - 200OC/hr MAX.

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS 200 BHN MAX.

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. HEAT TREATMENT SHALL BE DONE AS PER ASME B31.3 FOR WALL THICKNESS EXCEEDING 19MM. 2. GTAW SHALL BE EMPLOYED FOR ENTIRE WELDING FOR SMALL BORE PIPING OF DIAMETER 2” AND SMALLER.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS: A19A, A22A, A23A, B21A, B22A, B23A

PIPES ASTM A 106 GR.B, ASTM A 672 GR.B60 CL.22 FITTINGS ASTM A 105, ASTM A234 GR.WPB, ASTM A234 GR.WPBW FLANGES ASTM A 105

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 1 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS SMAW GTAW (NOTE-3)

ROOT PASS GTAW FILLER PASS SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER70S-2 FILLER PASS E7018-1

ROOT PASS ER70-S2

FILLER PASS E7018-1

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E7018-1 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING - SHIELDING ARGON GAS COMPOSITION PURGING - SHIELDING 99.995% PREHEATING NOTE-2

PREHEAT TEMP 10°C MIN./ 100°C (FOR THK>=25.4MM) POST HEATING -

CONTINUITY OF WELDING AND PREHEAT - HOLDING TEMP 595°C-620°C HOLDING TIME 1 HOUR PER INCH THK. RATE OF HEATING 200°C/HR MAX. MIN HOLDING TIME 1 HOUR

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING CONTROLLED RATE OF COOLING 200°C/HR MAX.

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS - 200 BHN MAX

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. POST WELD HEAT TREATMENT SHALL BE DONE FOR ALL WALL THICKNESSES AND HARDNESS TO BE CONTROLLED. 2. PRE-HEAT TEMPERATURE OF ATLEAST 50°C SHALL BE PROVIDED FOR THE FIRST TWO PASSES FOR THK. >=12.7MM & <25.4MM 3. GTAW SHALL BE EMPLOYED FOR ENTIRE WELDING FOR SMALL BORE PIPING OF DIAMETER 2” AND SMALLER. 4. ALL WELDING CONSUMABLES SHALL BE GUARANTEED FOR SSCC (SULPHIDE STRESS CORROSION CRACKING) RESISTANCE FOR

SOUR SERVICE APPLICATION.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

D2D

PIPES ASTM A 335 GR.P11 FITTINGS ASTM A 182 GR.F11 CL.2, ASTM A234 GR.WP11 CL.1 FLANGES ASTM A 182 GR.F11 CL.2

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 4 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER70S-B2L/ ER80S-B2

FILLER PASS ER70S-B2L/ ER80S-B2 E7016-B2L/ E7018-B2L

ROOT PASS ER70S-B2L/ ER80S-B2

FILLER PASS ER70S-B2L/ ER80S-B2 E7016-B2L/ E7018-B2L

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E7016-B2L/E7018-B2L BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3 & IBR

GASES PURGING - SHIELDING ARGON GAS COMPOSITION PURGING - SHIELDING 99.995% PREHEATING PREHEAT TEMP 150°C MIN. POST HEATING - CONTINUITY OF WELDING AND PREHEAT 150°C MIN.

HOLDING TEMP 620°C - 670°C HOLDING TIME 1 HOUR PER INCH THK. RATE OF HEATING 200°C/HR MAX. MIN HOLDING TIME 1 HOUR

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING CONTROLLED RATE OF COOLING 200°C/HR MAX.

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS 225 BHN MAX

CODE OF FABRICATION ASME B31.3 & IBR TECHNICAL NOTES :

1. POST WELD HEAT TREATMENT SHALL BE DONE AS PER IBR FOR ALL THICKNESSES.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

F27A

PIPES ASTM A 106 GR.B FITTINGS ASTM A 105, ASTM A234 GR.WPB FLANGES ASTM A 105

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 1 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW (NOTE-3)

ROOT PASS GTAW FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER70S-2 FILLER PASS ER70S-2/ E7018-1

ROOT PASS ER70S-2

FILLER PASS ER70S-2/ E7018-1

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E7018-1 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING - SHIELDING ARGON GAS COMPOSITION PURGING - SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C MIN./

100°C (FOR THK>=25.4MM) POST HEATING -

CONTINUITY OF WELDING AND PREHEAT - HOLDING TEMP - 595-620OC HOLDING TIME - 1 hr/inch RATE OF HEATING - 200OC/hr MAX. MIN HOLDING TIME - 1 hr

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING - Controlled RATE OF COOLING - 200OC/hr MAX.

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS 200 BHN MAX.

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. POST WELD HEAT TREATMENT SHALL BE DONE FOR ALL WALL THICKNESSES AND HARDNESS TO BE CONTROLLED 2. PRE-HEAT TEMPERATURE OF ATLEAST 50°C SHALL BE PROVIDED FOR THE FIRST TWO PASSES FOR THK. >=12.7MM & <25.4MM. 3. GTAW SHALL BE EMPLOYED FOR ENTIRE WELDING FOR SMALL BORE PIPING OF DIAMETER 2” AND SMALLER. 4. ALL WELDING CONSUMABLES SHALL BE GUARANTEED FOR SSCC (SULPHIDE STRESS CORROSION CRACKING) RESISTANCE FOR SOUR SERVICE APPLICATION.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

B5D, D5D, F25D, F26D

PIPES ASTM A 335 GR.P11, ASTM A 691 GR.1.25CR CL.42 FITTINGS ASTM A 182 GR.F11 CL.2, ASTM A234 GR.WP11 CL.1, ASTM A234 GR.WP11-W CL.1 FLANGES ASTM A 182 GR.F11 CL.2

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 4 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER70S-B2L/ ER80S-B2

FILLER PASS ER70S-B2L/ ER80S-B2 E7016-B2L/ E7018-B2L

ROOT PASS ER70S-B2L/ ER80S-B2

FILLER PASS ER70S-B2L/ ER80S-B2 E7016-B2L/ E7018-B2L

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E7016-B2L/E7018-B2L BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING - SHIELDING ARGON GAS COMPOSITION PURGING - SHIELDING 99.995% PREHEATING PREHEAT TEMP 150°C MIN. POST HEATING - CONTINUITY OF WELDING AND PREHEAT 150°C MIN.

HOLDING TEMP 705°C-750°C HOLDING TIME 1 HOUR PER INCH THK. RATE OF HEATING 200°C/HR MAX. MIN HOLDING TIME 2 HOURS

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING CONTROLLED RATE OF COOLING 200°C/HR MAX.

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS 225 BHN MAX.

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. POST WELD HEAT TREATMENT SHALL BE DONE FOR ALL WALL THICKNESSES.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

B4F

PIPES ASTM A 335 GR.P5 FITTINGS ASTM A 182 GR.F5, ASTM A234 GR.WP5 FLANGES ASTM A 182 GR.F5

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 5B GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS GTAW/SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER80S-B6 FILLER PASS ER80S-B6/ E8016-B6L/ E8018-B6L

ROOT PASS ER80S-B6

FILLER PASS ER80S-B6/ E8016-B6L/ E8018-B6L

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS ER80S-B6 / E8016-B6L/E8018-B6L BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 150°C MIN.

POST HEATING 300°C MIN. FOR 30 MINUTES FOLLOWED BY ASBESTOS COVER

CONTINUITY OF WELDING AND PREHEAT INTERPASS TEMP. 250°C–300°C DURING WELD SHALL BE MAINTAINED HOLDING TEMP 705°C-760°C HOLDING TIME 1 HOUR PER INCH THK. RATE OF HEATING 200°C/HR MAX. MIN HOLDING TIME 2 HOURS

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING CONTROLLED RATE OF COOLING 200°C/HR MAX.

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS 241 BHN MAX.

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. POST WELD HEAT TREATMENT SHALL BE DONE FOR ALL WALL THICKNESSES.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

A1K, B1K, D1K

PIPES ASTM A 312 TP304, ASTM A 358 TP304 CL.1 FITTINGS ASTM A 182 GR.F304, ASTM A403 GR.WP304-S, ASTM A403 GR.WP304-WX FLANGES ASTM A 182 GR.F304

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW/ SMAW

FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER308/ ER308L

FILLER PASS ER308/ ER308L E308-15/16 / E308L-15/16

ROOT PASS ER308/ ER308L E308-15/16 / E308L-15/16

FILLER PASS ER308/ ER308L E308-15/16 / E308L-15/16

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E308-15/16 / E308L-15/16 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT

METHOD OF COOLING - RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

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Page 15 of 24

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

A2K

PIPES ASTM A 312 TP304, ASTM A 358 TP304 CL.1 FITTINGS ASTM A 182 GR.F304, ASTM A403 GR.WP304-S, ASTM A403 GR.WP304-WX FLANGES ASTM A 182 GR.F304

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW/ SMAW

FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER308/ ER308L

FILLER PASS ER308/ ER308L E308-15/16/ E308L-15/16

ROOT PASS ER308/ ER308L E308-15/16/ E308L-15/16

FILLER PASS ER308/ ER308L E308-15/16/ E308L-15/16

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E308-15/16 / E308L-15/16 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT

METHOD OF COOLING - RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN 0.38MM AVERAGE 0.38MM AT TEMPERATURE -196°C OR DESIGN TEMPERATURE, WHICHEVER IS HIGHER

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. THE FILLER METAL/ELECTRODES SHALL HAVE GUARANTEED MINIMUM AS WELDED IMPACT VALUE OF 0.38MM LATERAL EXPANSION AT –196°C OR DESIGN TEMPERATURE, WHICHEVER IS HIGHER. (ALL THE FIVE VALUES SHALL BE OVER 0.38MM)

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

B22K

PIPES ASTM A 312 TP304L, ASTM A 358 TP304L CL.1 FITTINGS ASTM A 182 GR.F304L, ASTM A403 GR.WP304L-S, ASTM A403 GR.WP304L-WX FLANGES ASTM A 182 GR.F304L

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW/ SMAW

FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER308L FILLER PASS ER308L/ E308L-15/16

ROOT PASS ER308L/ E308L-15/16

FILLER PASS ER308L/ E308L-15/16

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E308L-15/16 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT

METHOD OF COOLING - RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

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Page 17 of 24

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

B21N

PIPES ASTM A 312 TP316L FITTINGS ASTM A 182 GR.F316L, ASTM A403 GR.WP316L-S FLANGES ASTM A 182 GR.F316L

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW/ SMAW

FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER316L FILLER PASS ER316L/ E316L-15/16

ROOT PASS ER316L E316L-15/16

FILLER PASS ER316L/ E316L-15/16

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E316L-15/16 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP 843-8990C HOLDING TIME 1HR PER INCH RATE OF HEATING 2000C/HR MIN HOLDING TIME 1 HR

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING - RATE OF COOLING 2000C/HR

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. POST WELD HEAT TREATMENT SHALL BE DONE FOR ALL WALL THICKNESSES. 2. WELD DEPOSIT SHALL BE CHECKED FOR FERRITE CONTENT. A FERRITE NO.(FN) OF NOT LESS THAN 3% AND NOT MORE THAN 10% IS REQUIRED

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Page 18 of 24

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

B25K

PIPES ASTM A 312 TP304, ASTM A 358 TP304 CL.1 FITTINGS ASTM A 182 GR.F304, ASTM A403 GR.WP304-S, ASTM A403 GR.WP304-WX FLANGES ASTM A 182 GR.F304

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW/ SMAW

FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER308/ ER308L

FILLER PASS ER308/ ER308L E308-15/16 / E308L-15/16

ROOT PASS ER308/ ER308L E308-15/16 / E308L-15/16

FILLER PASS ER308/ ER308L E308-15/16 / E308L-15/16

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E308-15/16 / E308L-15/16 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT

METHOD OF COOLING - RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. WELD DEPOSIT SHALL BE CHECKED FOR FERRITE CONTENT. A FERRITE NO.(FN) OF NOT LESS THAN 3% AND NOT MORE THAN 10% IS REQUIRED

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

F15M

PIPES ASTM A 312 TP321H FITTINGS ASTM A 182 GR.F321H, ASTM A403 GR.WP321H-S FLANGES ASTM A 182 GR.F321H

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER347H FILLER PASS ER347H/ E347H

ROOT PASS ER347H FILLER PASS ER347H/ E347H

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E347H BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT

METHOD OF COOLING - -- RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES : 1. WELD DEPOSIT SHALL BE CHECKED FOR FERRITE CONTENT. A FERRITE NO.(FN) OF NOT LESS THAN 3% AND NOT MORE THAN 10% IS

REQUIRED.

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Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

G5M, G57M

PIPES ASTM A 312 TP321, ASTM A 358 TP321 CL.1 FITTINGS ASTM A 182 GR.F321, ASTM A403 GR.WP321-S, ASTM A403 GR.WP321-WX FLANGES ASTM A 182 GR.F321

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW/ SMAW

FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER347 FILLER PASS ER347/ E347-15/16

ROOT PASS ER347/ E347-15/16

FILLER PASS ER347/ E347-15/16

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E347-15/16 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP - 843-899OC HOLDING TIME 1 HR PER INCH RATE OF HEATING - 200OC/HR MIN HOLDING TIME 1 HOUR

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING - -- RATE OF COOLING 2000C/HR

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES : 1. POST WELD HEAT TREATMENT SHALL BE DONE FOR ALL WALL THICKNESSES 2. WELD DEPOSIT SHALL BE CHECKED FOR FERRITE CONTENT. A FERRITE NO.(FN) OF NOT LESS THAN 3% AND NOT MORE THAN 10% IS

REQUIRED.

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Page 21 of 24

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

A1N

PIPES ASTM A 312 TP316L, ASTM A 358 TP316L CL.1 FITTINGS ASTM A 182 GR.F316L, ASTM A403 GR.WP316L-S, ASTM A403 GR.WP316L-WX FLANGES ASTM A 182 GR.F316L

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW/ SMAW

FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER316L FILLER PASS ER316L/ E316L-15/16

ROOT PASS ER316L E316L-15/16

FILLER PASS ER316L/ E316L-15/16

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E316L-15/16 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT

METHOD OF COOLING - RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

JOB SPECIFICATION No.

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Page 22 of 24

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

G25N

PIPES ASTM A 312 TP316L, ASTM A 358 TP316L CL.1 FITTINGS ASTM A 182 GR.F316L, ASTM A403 GR.WP316L-S, ASTM A403 GR.WP316L-WX FLANGES ASTM A 182 GR.F316L

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 8 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW/ SMAW

FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER316L FILLER PASS ER316L/ E316L-15/16

ROOT PASS ER316L E316L-15/16

FILLER PASS ER316L/ E316L-15/16

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E316L-15/16 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP 10°C POST HEATING - CONTINUITY OF WELDING AND PREHEAT -

HOLDING TEMP 843-8990C HOLDING TIME 1HR PER INCH RATE OF HEATING 2000C/HR MIN HOLDING TIME 1 HR

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING - RATE OF COOLING 2000C/HR

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

1. POST WELD HEAT TREATMENT SHALL BE DONE FOR ALL WALL THICKNESSES. 2. WELD DEPOSIT SHALL BE CHECKED FOR FERRITE CONTENT. A FERRITE NO.(FN) OF NOT LESS THAN 3% AND NOT MORE THAN 10% IS REQUIRED

JOB SPECIFICATION No.

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WELDING SPECIFICATION CHARTS FOR PIPING CLASSES

Page 23 of 24

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

F59V

PIPES ASTM A 790 (UNS S32205) FITTINGS ASTM A 182 GR.F60, ASTM A815 GR.WP UNS S32205-S FLANGES ASTM A 182 GR.F60

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO - GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ER2209 FILLER PASS ER2209/ E2209

ROOT PASS ER2209 FILLER PASS ER2209/ E2209

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS E2209 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.995% SHIELDING 99.995% PREHEATING PREHEAT TEMP POST HEATING - CONTINUITY OF WELDING AND PREHEAT INTERPASS TEMP. 150°C (MAX) DURING WELD SHALL BE MAINTAINED

HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING - RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :

JOB SPECIFICATION No.

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WELDING SPECIFICATION CHARTS FOR PIPING CLASSES

Page 24 of 24

Format No. 8-00-0001-F1 Rev. 0 Copyright EIL – All rights reserved

PIPING CLASS:

G49Q

PIPES ASTM B 423 (UNS.NO.-8825) FITTINGS ASTM B 564 (UNS N08825), ASTM B 366 WPNICMC UNS N08825 FLANGES ASTM B 564 (UNS N08825)

MATERIAL SPECIFICATIONS

OTHERS -

BASE METAL 'P' NO 45 GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

GTAW FILLER PASS GTAW/ SMAW

ROOT PASS GTAW FILLER PASS GTAW/ SMAW

WELDING PROCESS

FILLET JOINTS / SOCKET JOINTS SMAW

GROOVE JOINTS

B U T T O T H E R T H A N B U T T

ROOT PASS

ERNiCrMo-3 FILLER PASS ERNiCrMo-3/ ENiCrMo-3

ROOT PASS ERNiCrMo-3 FILLER PASS ERNiCrMo-3/ ENiCrMo-3

WELDING MATERIALS

FILLET JOINTS / SOCKET JOINTS ENiCrMo-3 BACKING RING - CONSUMABLE INSERT -

JOINT PREPN. ASME B31.3

GASES PURGING ARGON SHIELDING ARGON GAS COMPOSITION PURGING 99.95% (OXYGEN CONTENT

LESS THAN 0.5% (5000 PPM) SHIELDING 99.95%

PREHEATING PREHEAT TEMP - POST HEATING - CONTINUITY OF WELDING AND PREHEAT INTERPASS TEMP. 150°C (MAX) DURING WELD SHALL BE MAINTAINED

HOLDING TEMP - HOLDING TIME - RATE OF HEATING - MIN HOLDING TIME -

POST WELD HEAT TREATMENT (NOTE-1)

METHOD OF COOLING - RATE OF COOLING -

MECH. PROPERTY REQUIREMENTS CHARPY 'V' NOTCH IMPACT TEST VALUE MIN - AVERAGE - AT TEMPERATURE -

HARDNESS -

CODE OF FABRICATION ASME B31.3 TECHNICAL NOTES :