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J IS JAPANESE INDUSTRIAL STANDARD

Translated and Published by Japanese Standards Association

Carbon steel pipes for pressure service

ICs 23.040.10; 77.140.75

Reference number : JIS G 3454 : 2005 (E)

PROTECTED BY COPYRIGHT 12 s Copyright Japanese Standards Association Provided by IHS under license with JSA Licensee=IHS Employees/1111111001, User=Wing, Bernie

Not for Resale, 03/15/2007 22:30:43 MDTNo reproduction or networking permitted without license from IHS

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G 3454 : 2005

Foreword

This translation has been made based on the original Japanese Industrial Standard revised by the Minister of Economy, Trade and Industry through deliberations at the Japanese Industrial Standards Committee, as the result of proposal for revision of Japanese Industrial Standard submitted by The Japan Iron and Steel Federation (JISF) with the draft being attached, based on the provision of Article 12 Clause 1 of the Industrial Standardization Law applicable to the case of revision by the provision of Article 14. Consequently JIS G 3454 : 1988 is replaced with this Standard. This revision has been made based on IS0 9330-1 : 1990 Welded steel tubes for pressure purposes-Technical delivery conditions-Part 1: Unalloyed steel tubes with specified room temperature properties and I S 0 9329-1 : 1989 Seamless steel tubes for pressure purposes-Technical delivery conditions- Part 1: Unalloyed steels with specified room temperature properties for the purposes of making it easier to compare this Standard with International Standards; to prepare Japanese Industrial Standard conforming with International Standards; and to propose a draft of an International Standard which is based on Japanese Industrial Standard. Attention is drawn to the possibility that some parts of this Standard may conflict with a patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have technical properties. The relevant Minister and the Japanese Industrial Standards Committee are not responsible for identifying the patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after opening t o the public which have the said technical properties.

Date of Establishment: 1962-03-01 Date of Revision: 2005-03-20 Date of Public Notice in Official Gazette: 2005-03-22 Investigated by: Japanese Industrial Standards Committee

Standards Board Technical Committee on Iron and Steel

JIS G 3454 : 2005, First English edition published in 2005-09

Translated and published by: Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-5440 JAPAN

In the event of any doubts arising as to the contents, the original JIS is to be the final authority.

O JSA 2005 All rights reserved. Unless otherwise specified, iio part of this publication may be reproduced or utilized in any forin or by any ineaiis, electronic or mechanical, includiiig photocopying and microfilm, without permission in writing from the publisher.

Printed in Japan KAIAT

PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSA Licensee=IHS Employees/1111111001, User=Wing, Bernie


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G 3454 : 2005

Contents

Page

1

1

1

2

2

2

3

3

4

4

5

5

5

6

7

7

7

7

8

8

8

9

9

9

9

10

11

12

Introduction .................................................................................................................

1

2

3

4

5

6

6.1

6.2

6.3

7

8

8.1

8.2

9

10

Scope ....................................................................................................................

Normative references ........................................................................................

Grade and designation .....................................................................................

Method of manufacture ....................................................................................

Chemical composition .......................................................................................

Mechanical properties .......................................................................................

Tensile strength, yield point or proof stress and elongation ..................

Flattening test ................................................................................................. Bendability ........................................................................................................

Hydraulic test or nondestructive test ............................................................

Dimensions, mass and dimensional tolerance .............................................. Dimensions and mass ..................................................................................... Dimensional tolerances ...................................................................................

Appearance .........................................................................................................

Test ......................................................................................................................

10.1 Chemical analysis ............................................................................................

10.2 Tensile test .......................................................................................................

10.3 Flattening test .................................................................................................

10.4 Bending test ..................................................................................................... 10.5 Hydraulic test or nondestructive examination ...........................................

11 Inspection ............................................................................................................ 11.1 Inspection ..........................................................................................................

11.2 Reinspection ......................................................................................................

12 Marking ...............................................................................................................

13 Report ..................................................................................................................

Annex 1 (normative) Supplementary quality requirements .............................

Annex 2 (informative) Comparison table between JIS and corresponding International Standards .................................................

(i>



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JAPANESE INDUSTRIAL STANDARD @ JIS G 3454 : 2005

Carbon steel pipes for pressure service

Introduction This Japanese Industrial Standard has been prepared based on the first edition of IS0 9330-1 Welded steel tubes for pressure purposes-Technical delivery conditions-Part l: Unalloyed steel tubes with specified room temperature properties published in 1990 and the first edition of IS0 9329-1 Seamless steel tubes for pressure purposes-Technical delivery conditions-Part 1: Unalloyed steels with specified room temperature properties published in 1989 with some modifications of the technical contents.

The portions given sidelines or dotted underlines are the matters modified from the original International Standard. A list of modifications with the explanations is given in annex 2 (informative).

1 Scope This Standard specifies the carbon steel pipes (hereafter referred to as “pipes”) used for pressure service at an approximate maximum temperature of 350 O C .

The pipes for high pressure service shall be in accordance with JIS G 3455.

Pertaining to the electric-resistance welded steel tubes, when previously agreed upon with the manufacturer, the purchaser may desig- nate a part of all of the supplementary quality requirements specified in annex 1, in addition t o the items specified in this text.

2 The International Standards corresponding t o this Standard are as follows.

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) ac- cording to ISO/IEC Guide 21.

I S 0 9330-1 : 1990 Welded steel tubes for pressure purposes-Technical delivery conditions-Part 1: Unalloyed steel tubes with specified room temperature properties (MOD)

I S 0 9329-1 : 1989 Seamless steel tubes for pressure purposes-Tech- nical delivery conditions-Part 1: Unalloyed steels wi th specified room temperature properties (MOD)

Remarks 1

2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this Standard. The most recent edi- tions of the standards (including amendments) indicated below shall be applied.

J IS G 0320 Standard test methods for heat analysis of steel products

J IS G 0404 Steel and steel products-General technical delivery requirements

J IS G 0415 Steel and steel products-Inspection documents

J IS G 0582 Ultrasonic examination for steel pipes and tubes

J IS G 0583 Eddy current examination of steel pipes and tubes by encircling coil technique

Carbon steel pipes for high pressure service J IS G 3455



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2 G 3454 : 2005

Designation of grade

STPG370

STPG 410

J IS Z 2201

J IS Z 2241

JIS Z 8401

Test pieces for tensile test for metallic materials

Method of tensile test for metallic materials

Guide to the rounding of numbers

3 Grade and designation designations of grade and manufacturing process shall be as given in table 1.

The pipe shall be classified into two grades and the

Table 1 Designations of grade and manufacturing process

Designation of manufacturing process

Manufacturing process of tubes Method of forming and finishing Marking

Seamless: S Hot finished: H Marking of manu-

Electric resistance welding: E facturing method shall be as 12 b). Cold finished: C

Other than hot finished and cold finished: G

15

Method of manufacture The method of manufacture shall be as follows:

The pipe shall be manufactured by either the seamless o r the electric resistance welding process.

The pipe shall stay as manufactured. However, the cold-finished steel pipe shall be annealed after manufacture.

The purchaser may specify heat treatment for the weld of the electric resis-

..................................................................................................................................................................

.................................

tance welded steel pipe of grade STPG 410, as necessary.

When required by the purchaser, the pipe may be furnished with a bevel end(l).

Note (1) Unless otherwise specified, the shape of the bevel end shall be as shown in figure 1.

30" + 5"

~ \+- Y

24 mm max. ! / r

I

f : thickness, 22 mm max.

Figure 1 Shape of bevel end

Chemical composition The pipe shall be tested in accordance with 10.1 and I the ladle analysis values obtained shall conform to table 2.



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3 G 3454 : 2005


STPG 370

STPG 410

Table 2 Chemical composition

Unit : 5%

C Si Mn P S

0.25 max. 0.35 max. 0.30 to 0.90 0.040 max. 0.040 max.

0.30 max. 0.35 max. 0.30 to 1.00 0.040 Max. 0.040 max.

No. 11 and No. 12 test pieces

6 Mechanical properties

No. 5 test piece

No. 4 test piece

6.1 The pipe shall be tested in accordance with 10.2 and the tensile strength, yield point o r proof stress and elongation obtained shall comply with table 3 when the tensile test is carried out for No. 12 or No. 5 test piece for the pipe under 8 mm in wall thickness, the minimum value of elongation shall be in accordance with table 4.

The values in table 4 are obtained by subtracting 1.5 % from the values of elongation given in table 3 for each 1 mm decrease in wall thickness, and rounding off to an integer in accordance with rule A of JIS Z 8401.

Tensile strength, yield point or proof stress and elongation

Remarks :

215 min.

245 min.

Table 3 Mechanical properties

Longitudinal Transverse Longitudinal Transverse

30 min. 25 min. 28 min. 23 min.

25 min. 20 min. 24 min. 19 min.


STPG 370

STPG 410

Tensile strength N/mm2

370 min.

410 min.

Yield points or proof stress

Elongation c/c

I I I I

Remarks 1 The values of elongation given in table 3 shall not be applied to the pipe whose nominal diameter is 25 A or smaller. However, the value of elongation shall be recorded.

2 1 N/mm2 = 1 MPa



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4 G 3454 : 2005

Table 4 Examples of elongation values calculated for No. 12 test piece (longitudinal) and No. 5 test piece (transverse) taken from pipes under 8 mm in wall thickness


STPG 370

STPG 410

Unit: %

Shape of test piece

No. 12 test piece

No. 5 test piece

No. 12 test piece

No. 5 test piece

Elongation value relating to wall thickness

6.2 Flattening test When tested in accordance with 10.3, the pipe shall not gen- erate flaws or cracks on its wall surface. In this case, the distance between the two plates shall be in accordance with the following formula:

In the case of seamless steel pipe:

(1 + e>t t e + - D

H =

In the case of electric resistance welded steel pipe: c1

H = L D (for weld) 3

1 3

H = -D (for the portion without weld)

where, H : distance between flattening plates (mm)

e : constant individually defined for each grade of pipe, 0.08 for STPG 370, 0.07 for STPG 410

t : wall thickness of pipe (mm)

D : outside diameter of pipe (mm)

6.3 Bendability For the pipe whose nominal diameter is 40 A or smaller, the purchaser may specify the bending test instead of the flattening test. In the test of 10.4, the pipe shall be free from the occurrence of flaws or cracks on its wall surface. In this case, the pipe shall be bent through 90" around a n inside radius tha t is 6 times its outside diameter.

However, the purchaser may specify the bend test in which the bend angle is 180" and the bending inside radius is 4 times the outside diameter.



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5 G 3454 : 2005

7 Hydraulic test or nondestructive test The pipe shall be tested in accordance with 10.5 and the resulting hydraulic characteristic o r nondestructive characteristic shall conform to either of the following two.

a) Hydraulic test withstand it without leakage.

Nondestructive test When a pipe is tested as specified in 10.5 b), there shall be no signal greater than those produced by the artificial defects of the reference test block of division UD of the working sensitivity specified in JIS G 0582 or of division EY of the working sensitivity specified in JIS G 0583.

When a pipe is tested as specified in 10.5 a), the pipe shall

b)

8 Dimensions, mass and dimensional tolerance

8.1 Dimensions and mass The outside diameter, wall thickness and mass of the pipe shall be as specified in table 5 . The length of a pipe shall be 4 O00 mm or over.

Table 5 Dimensions and mass of carbon steel pipes for pressure service

Remarks 1 The designation of the pipes shall be based on the nominal diameter and nominal wall thickness (schedule number: Sch). However, for the nominal diameter, either A o r B shall be used, with the designation A or B suffixed to the figures of nominal diameter for identification.



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6 G 3454 : 2005

50 A or over up to and incl. 125 A

2 The mass value shall be calculated from the following formula assuming 1 cm3 of steel to be 7.85 g and rounded off to 3 significant figures in accordance with rule A of JIS Z 8401.

W = 0 . 0 2 4 6 6 t ( D - t j

where, W : unit mass of pipe (kg/m) t : wall thickness of pipe (mm)

D : outside diameter of pipe (mmj

3 The dimensions enclosed by the bold-faced lines indicate the pipes most frequently used.

Il o/c

8.2 The tolerances on the outside diameter and wall thickness of the pipe shall conform to table 6. For the case where the length is specified, the length shall be no less than the specified length.

Dimensional tolerances

200 A or over

Table 6 Tolerances on outside diameter and wall thickness

I0.8 %

Division r Hot-finished seamless steel Pipe

Cold-finished seamless steel pipe and electric resistance welded steel pipe

I

Tolerances on outside diameter

Nominal size I Tolerance

40Aorunder I I0 .5mm

150 A I I 1 . 6 mm

25Aorunder I I 0 . 3 mm I 32 A or over I I0.8 % I For the pipe of nominal size 350 A or over, the tolerances on outside diameter may be determined by the measurement of the length of circumference. In this case, the tolerances shall be I0 .5 5%.

Tolerances on wall thickness

Thickness

Under 4 mm

4 mm or over

Under 3 mm

3 mm or over

Tolerance

+0.6 mm -0.5 mm

+15 '% -12.5 5%

I0 .3 mm

I 1 0 %

Remarks 1 When the length of circumference is used in measuring the outside diameter, either the measured value of the length of circumference o r the diameter derived from the measured value may be used as the criteria. In both cases, the same value ( I O . 5 "/o> of tolerances shall be applied. The diameter (D) and the length of circumference (I) shall be calculated revers- ibly from the following formula.

I = T C X D

where, 2 : length of circumference (mmj n= 3.141 6 D : outside diameter (mm)



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7 G 3454 : 2005

Nominal diameter 65 A or over up to and incl. 125 A

2 In the case where the tolerances on wall thickness are confirmed to meet the specifications in table 6, the tolerances on outside diameter in table 6 shall not be applied t o the local part being subjected t o repairing, etc.

One shall be taken from each 500 pipes or its fraction of the same dimensions

9 Appearance

a)

The appearance of the pipe shall be as follows:

The pipe shall be practically straight, and its both ends shall be at a right angle to its axis.

Nominal diameter 150 A or over up to and incl. 300 A

Nominal diameter 350 A or over

b) The inside and outside surfaces of the pipe shall be well-finished and free from defects tha t are detrimental t o practical use.



10 Test

10.1 Chemical analysis

10.1.1 General matters of chemical analysis and sampling method General matters common to chemical analysis and method of sampling specimens for analysis shall be in accordance with clause 8 in JIS G 0404.

10.1.2 Analytical method The analytical method shall be in accordance with JIS G 0320.

10.2 Tensile test

10.2.1 The test specimen sampling method and number of test piece shall be in accordance with table 7.

Test specimen sampling method and number of test piece

Table 7 Test specimen sampling method and number of test piece

Division Test specimen sampling method and number of test piece

Nominal diameter 50 A or under One shall be taken from each 1 O00 pipes or its fraction of the same dimensions

Remarks : The expression “same dimension” means the same outside diameter as well as the same wall thickness.

10.2.2 Test piece The test piece shall be No. 11, No. 12A, No. 12B, No. 12C, No. 4 or No. 5 test pieces specified in JIS Z 2201, and shall be sampled from a pipe. In this case, No. 4 test piece shall be applied only for pipe of diameter 14 mm (the gauge length 50 mm).

Remarks : Tensile test specimen taken from electric resistance welded pipes shall be No. 12A, No. 12B, No. 12C or No. 5 test pieces, and shall be taken from the part not involving the joint.



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8 G 3454 : 2005

10.2.3 Test method The test method shall be in accordance with JIS Z 2241.

10.3 Flattening test

10.3.1 The sampling method of specimens and number of test pieces shall be in accordance with 10.2.1.

Sampling method of specimens and number of test pieces

10.3.2 Test piece A test piece 50 mm or over in length shall be cut off from the end of a pipe.

10.3.3 Test method The test piece shall be placed between two flat plates at ordinary temperature and flattened by compression until the distance between the plates comes to the Specified value, and checked for the occurrence of flaws or cracks on its wall surface. For the electric resistance welded steel pipe, the weld shall be placed a t right angles to the direction of compression, and either the weld in case H = 30 or the portion other than the weld in case H = TD shall be examined as shown in figure 2 and figure 3.

2

1

Compression

o - lb

'\ : Weld

H Distance between plates

Figure 2 Flattening test Figure 3 Flattening test of of weld portion other than weld

10.4 Bending test

10.4.1 The sampling method of specimens and number of test pieces shall be in accordance with 10.2.1.

Sampling method of specimens number of test pieces

10.4.2 Test piece the end of a pipe.

A test piece with an appropriate length shall be cut off from

10.4.3 The test piece shall be bent at ordinary temperature through the angle around a cylinder with the inside radius specified in 6.3, and checked for the occurrence of flaws or cracks on it wall surface. In this case, for the electric resistance welded steel pipe, the weld shall be placed in the outermost bent portion.

Test method

10.5 Hydraulic test or nondestructive examination The hydraulic test or nondestructive examination shall be in accordance with the following. The choice of either test method to adopt shall be a t the discretion of the manufacturer unless specified by the purchaser.



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9 G 3454 : 2005

Schedule number Sch

Hydraulic test pressure

a) Hydraulic test Subject the pipe t o the hydraulic pressure Specified in table 8 for a minimum duration of 5 s, and examine whether i t withstands this pressure without any leakage.

10 20 30 40 60 80

2.0 3.5 5.0 6.0 9.0 12

Table 8 Hydraulic test pressure

Unit: MPa

b) Nondestructive examination The test method of nondestructive examination shall be in accordance with either JIS G 0582 or JIS G 0583. Other appropriate test methods may be applied upon agreement between the purchaser and the supplier.

11 Inspection

11.1 Inspection Inspection shall be as the following:

a)

b)

c)

General matters common to inspection shall be in accordance with JIS G 0404.

The chemical composition shall conform t o the requirements of clause 5.

The mechanical properties shall conform to the requirements of clause 6.

d) The hydraulic test characteristics or nondestructive test characteristics shall conform t o the requirement of clause 7.

However, when the supplementary quality requirements given in annex 1 are specified by agreement between the purchaser and the manufacturer, the results of inspection shall conform t o the requirements specified in clauses 1 and 2 of annex 1.

e) The dimension, mass and tolerances shall conform to the requirement of clause 8.

f) The appearance shall conform to the requirement of clause 9.

11.2 Reinspection The pipes which have failed in the flattening test o r bend test may be determined for final acceptance by a retest specified in 9.8 in JIS G 0404.

12 Marking Each pipe having passed the inspection shall be marked with the following items. However, the smaller pipes or other pipes specified by the purchaser may be bundled together and marked for each bundle by a suitable means. In both cases, the order of arranging the marked items may be omitted.

a) Designation of grade

b)

c) Dimensions ( 3 )

Designation indicating the manufacturing processes (2) .......................................................................................................................

d) Manufacturer’s name or its identifying brand



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10 G 3454 : 2005

Designation denoting the supplementary quality requirement (4 )

Notes ( 2 )

e! ................................................................................................................................... The designation indicating the manufacturing processes (4) shall be as follows, provided tha t the dash may be omitted leaving a blank.

Hot-finished seamless steel pipe -S-H

Cold-finished seamless steel pipe -S-C

Electric resistance welded steel pipe other than hot-finished and cold-finished ones -E-G

Hot-finished electric resistance welded steel pipe

Cold-finished electric resistance welded steel pipe

-E-H

-E-C

( 3 ) The dimensions shall be expressed a s follows.

Nominal diameter x nominal wall thickness

Example : 50 A x Sch 40, or 2 B x Sch 40

(4) The designation denoting the supplementary quality requirement shall be Z.

13 Report The manufacturer shall submit the test report when previously required by the purchaser. In this case, the report shall conform to the requirements of clause 13 in JIS G 0404. The type of report shall be, unless otherwise specified, type 2.3 or 3.1.B in table 1 of JIS G 0415.



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11 G 3454 : 2005

Annex 1 (normative)

Supplementary quality requirements

The supplementary quality requirements shall be applied when requested by the purchaser, and the designated items among them shall be carried out by the manufacturer .

1 Ultrasonic examination (23) (l) The ultrasonic examination shall be as follows:

Note (1) The ultrasonic examination can also be designated as “23”.

The criterion of the working sensitivity for the ultrasonic examination shall comply with the division UC Specified in JIS G 0552, and there shall be no signal greater than those produced by the artificial defects of the reference test block.

a)

b) The test method of the ultrasonic examination shall be in accordance with JIS G 0582.

c) The ultrasonic examination shall be performed for each pipe and the results shall conform to the requirements specified in a).

2 Eddy current examination (Z4)(2) follows:

The eddy current examination shall be as

Note (2) The eddy current examination can also be designated as “24”.

a) The criterion of the working sensitivity for the eddy current examination shall comply with the division EW specified in JIS G 0553, and there shall be no signal greater than those produced by the artificial defects of the reference test block.

b) The test method of the eddy current examination shall be in accordance with JIS G 0583.

c) The eddy current examination shall be performed for each pipe and the results shall conform to the requirements specified in a).



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12 G 3454 : 2005

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14 G 3454 : 2005

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15 G 3454 : 2005

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16 G 3454 : 2005

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18. G 3454 : 2005



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Errata for JIS (English edition) are printed in Standardization Journal, published monthly by the Japanese Standards Association, and also provided to subscribers of JIS (English edition) in Monthly Infórniation.

Errata will be provided upon request, please contact: Standardization Promotion Department, Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN TEL. 03-3683-8002 FAX. 03-3683-0462



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