performance profile sheet nccer t...
TRANSCRIPT
Objective TASK RATING
3, 4 1. Identify and interpret welding symbols on a provided drawing.
1.7
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WELDING SYMBOLS — MODULE 29201-09 PERFORMANCE PROFILE
PERFORMANCE PROFILE SHEET NCCER TRAINING
Craft: Welding
Module Number: 29201-09
Module Title: Welding Symbols
Rating Levels: (1) Passed: performed task (2) Failed: did not perform taskAlso, list the date the testing for each task was completed.
Recognition: When testing for the NCCER Standardized Craft Training Program, be sure to record Performance testing results on Craft Training ReportForm 200, and submit the results to the Training Program Sponsor.
Contren® Learning Series
2.5
Copyright © 2009 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
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READING WELDING DETAIL DRAWINGS — MODULE 29202-09 PERFORMANCE PROFILE
PERFORMANCE PROFILE SHEET NCCER TRAINING
Craft: Wedling
Module Number: 29202-09
Module Title: Reading Welding Detail Drawings
Rating Levels: (1) Passed: performed task (2) Failed: did not perform taskAlso, list the date the testing for each task was completed.
Recognition: When testing for the NCCER Standardized Craft Training Program, be sure to record Performance testing results on Craft Training ReportForm 200, and submit the results to the Training Program Sponsor.
Contren® Learning Series
Objective TASK RATING
7 1. Draw or sketch a welding drawing based on a given image ordrawing.
Module 29203-09 has no Performance Profile Sheet; no performance testing is required for this module.
4.3
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PREHEATING AND POSTHEATING OF METALS — MODULE 29204-09 PERFORMANCE PROFILE
PERFORMANCE PROFILE SHEET NCCER TRAINING
Craft: Welding
Module Number: 29204-09
Module Title: Preheating and Postheating of Metals
Rating Levels: (1) Passed: performed task (2) Failed: did not perform taskAlso, list the date the testing for each task was completed.
Recognition: When testing for the NCCER Standardized Craft Training Program, be sure to record Performance testing results on Craft Training ReportForm 200, and submit the results to the Training Program Sponsor.
Contren® Learning Series
Objective TASK RATING
1 1. Preheat base metal to 350°F and verify preheat using atemperature-indicating device.
Objective TASK RATING
5 1. Set up GMAW and FCAW equipment with appropriate shieldinggases and filler metals.
5.5
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TRAINING PROGRAM SPONSOR: _______________________________________________
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INSTRUCTOR: _______________________________________________________________
GMAW AND FCAW: EQUIPMENT AND FILLER METALS — MODULE 29205-09 PERFORMANCE PROFILE
PERFORMANCE PROFILE SHEET NCCER TRAINING
Craft: Welding
Module Number: 29205-09
Module Title: GMAW and FCAW: Equipment and Filler Metals
Rating Levels: (1) Passed: performed task (2) Failed: did not perform taskAlso, list the date the testing for each task was completed.
Recognition: When testing for the NCCER Standardized Craft Training Program, be sure to record Performance testing results on Craft Training ReportForm 200, and submit the results to the Training Program Sponsor.
Contren® Learning Series
Objective TASK RATING
1 1. Make multiple-pass GMAW-S (short-circuit) fillet welds on carbonsteel plate coupons in the following positions, using solid orcomposite wire:
• 1F
• 2F
• 3F
• 4F
6.5
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GMAW AND FCAW: PLATE — MODULE 29206-09 PERFORMANCE PROFILE
PERFORMANCE PROFILE SHEET (PAGE 1 OF 3) NCCER TRAINING
Craft: Welding
Module Number: 29206-09
Module Title: GMAW and FCAW: Plate
Rating Levels: (1) Passed: performed task (2) Failed: did not perform taskAlso, list the date the testing for each task was completed.
Recognition: When testing for the NCCER Standardized Craft Training Program, be sure to record Performance testing results on Craft Training ReportForm 200, and submit the results to the Training Program Sponsor.
continued
Contren® Learning Series
Objective TASK RATING
4 2. Make multiple-pass FCAW-G/GM (gas-shielded) or FCAW-S(self-shielded) fillet welds on carbon steel plate coupons in thefollowing positions:
• 1F
• 2F
• 3F
• 4F
5 3. Make multiple-pass FCAW-G/GM (gas-shielded) or FCAW-S(self-shielded) V-groove welds on carbon steel plate coupons inthe following positions (with or without backing):
• 1G
• 2G
• 3G
• 4G
continued
PERFORMANCE PROFILE SHEET (PAGE 2 OF 3) NCCER TRAINING
Craft: Welding
Module Number: 29206-09
Module Title: GMAW and FCAW: Plate
WELDING LEVEL TWO — MODULE 29206-09 PERFORMANCE PROFILE6.6
Copyright © 2009 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Contren® Learning Series
Objective TASK RATING
2 4. Make multiple-pass GMAW-S (short-circuit) V-groove welds oncarbon steel plate coupons in the following positions (with orwithout backing), using solid or composite wire:
• 1G
• 2G
• 3G
• 4G
3 5. Make multiple-pass GMAW spray fillet welds on carbon steelplate coupons in the following positions, using solid or compositewire:
• 1F
• 2F
3 6. Make multiple-pass GMAW spray V-groove welds on carbon steelplate coupons in the 1G position (with or without backing), usingsolid or composite wire.
6.7
Copyright © 2009 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
GMAW AND FCAW: PLATE — MODULE 29206-09 PERFORMANCE PROFILE
PERFORMANCE PROFILE SHEET (PAGE 3 OF 3) NCCER TRAINING
Craft: Welding
Module Number: 29206-09
Module Title: GMAW and FCAW: Plate Contren® Learning Series
MODULE 29206-09 GMAW and FCAW: Plate 2.3
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29206-09
MAKE A FILLET WELD IN THE (1F) FLAT POSITION
As directed by the instructor, use GMAW (spray and/or short-circuiting transfer), FCAW, or both pro-cesses with carbon steel solid or flux-cored electrode wire sizes, and, if required, appropriate shield-ing gas to make a six-pass fillet weld using stringer beads on carbon steel plate, as shown.
CLAMP OR TACK TO TABLEOR POSITIONING ARM
123
BEADSEQUENCE
3"
4"
5"
456 123
456
206A01.EPS
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld size ±1⁄16" ____________
• Smooth flat transition with complete fusion at the toes of the welds ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• No porosity ____________
• No excessive undercut ____________
• No overlap ____________
• No inclusions ____________
2.4 WELDING Performance Laboratories
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29206-09
As directed by the instructor, use GMAW (spray and/or short-circuiting transfer), FCAW, or both pro-cesses with carbon steel solid or flux-cored electrode wire sizes, and, if required, appropriate shield-ing gas to make a six-pass fillet weld using stringer beads on carbon steel plate, as shown.
MAKE A FILLET WELD IN THE(2F) HORIZONTAL POSITION
1 2
3
4
56
BEAD SEQUENCE
3"
4"
6"
206A02.EPS
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld size ±1⁄16" ____________
• Smooth flat transition with complete fusion at the toes of the welds ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• No porosity ____________
• No excessive undercut ____________
• No overlap ____________
• No inclusions ____________
MODULE 29206-09 GMAW and FCAW: Plate 2.5
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29206-09
MAKE A FILLET WELD IN THE (3F) VERTICAL POSITION
As directed by the instructor, use GMAW, FCAW, or both processes with carbon steel solid or flux-cored electrode wire sizes, and, if required, appropriate shielding gas to make a vertical fillet weld oncarbon steel plate, as shown.
12 3
4 5 6
1
32
3"
5"
4"
206A03.EPS
WEAVE BEADSEQUENCE
STRINGER BEADSEQUENCE
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
2.6 WELDING Performance Laboratories
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29206-09
MAKE A FILLET WELD IN THE(4F) OVERHEAD POSITION
As directed by the instructor, use GMAW, FCAW, or both processes with carbon steel solid or flux-cored electrode wire sizes, and, if required, appropriate shielding gas to make a six-pass fillet weldusing stringer beads on carbon steel plate, as shown.
1
2
3
4
5
6
3"
5"
4"
206A04.EPS
WELD SEQUENCE
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
MODULE 29206-09 GMAW and FCAW: Plate 2.7
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29206-09
MAKE A GROOVE WELD, WITH OR WITHOUTBACKING, IN THE (1G) FLAT POSITION
As directed by the instructor, use GMAW (spray and/or short-circuiting transfer), FCAW, or both pro-cesses with carbon steel solid or flux-cored electrode wire sizes, and, if required, appropriate shield-ing gas to make a multiple-pass groove weld using stringer beads on carbon steel plate, with or withoutbacking, as shown.
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Complete uniform root reinforcement at least flush with the base metalto a maximum buildup of 1⁄16", if applicable ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
206A05.EPS
6" MIN
5" MIN
NOTE: BASE METAL, CARBON STEELAT LEAST 1⁄4" THICK
60°
60° – 75°
30° – 371⁄2°
JOINT DETAILSWITHOUT BACKING
0" – 1⁄8"
0" – 1⁄8"
45°
221⁄2°
JOINT DETAILSWITH BACKING
1⁄4"
2.8 WELDING Performance Laboratories
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29206-09
MAKE A GROOVE WELD,WITH OR WITHOUTBACKING, IN THE (2G) HORIZONTAL POSITION
As directed by the instructor, use GMAW, FCAW, or both processes with carbon steel solid or flux-cored electrode wire sizes, and, if required, appropriate shielding gas to make a multiple-pass grooveweld on carbon steel plate, with or without backing, as shown.
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Complete uniform root reinforcement at least flush with the base metalto a maximum buildup of 1⁄16", if applicable ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
206A06.EPS
60°
6"
5" MINNOTE: BASE METAL, CARBON STEEL
AT LEAST 1⁄4" THICK
60° – 75°
30° – 371⁄2°
JOINT DETAILSWITHOUT BACKING
0" – 1⁄8"
0" – 1⁄8"
45°
221⁄2°
JOINT DETAILSWITH BACKING
1⁄4"
MODULE 29206-09 GMAW and FCAW: Plate 2.9
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29206-09
MAKE A GROOVE WELD, WITH OR WITHOUTBACKING, IN THE (3G) VERTICAL POSITION
As directed by the instructor, use GMAW, FCAW, or both processes with carbon steel solid or flux-cored electrode wire sizes, and, if required, appropriate shielding gas to make a multiple-pass grooveweld on carbon steel plate, with or without backing, as shown.
Note: Run the root vertical up or vertical down as specified by your instructor.
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Complete uniform root reinforcement at least flush with the base metalto a maximum buildup of 1⁄16", if applicable ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
6" MIN
5" MIN
60°
NOTE: BASE METAL, CARBON STEELAT LEAST 1⁄4" THICK
60° – 75°
30° – 371⁄2°
JOINT DETAILSWITHOUT BACKING
0" – 1⁄8"
0" – 1⁄8"
45°
221⁄2°
JOINT DETAILSWITH BACKING
1⁄4"
206A07.EPS
2.10 WELDING Performance Laboratories
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29206-09
As directed by the instructor, use GMAW, FCAW, or both processes with carbon steel solid or flux-cored electrode wire sizes, and, if required, appropriate shielding gas to make a multiple-pass grooveweld on carbon steel plate, with or without backing, as shown.
MAKE A GROOVE WELD,WITH OR WITHOUTBACKING, IN THE (4G) OVERHEAD POSITION
6" MIN
5" MIN
60°
NOTE: BASE METAL, CARBON STEELAT LEAST 1⁄4" THICK
60° – 75°
30° – 371⁄2°
JOINT DETAILSWITHOUT BACKING
0" – 1⁄8"
0" – 1⁄8"
45°
221⁄2°
JOINT DETAILSWITH BACKING
1⁄4"
206A08.EPSCriteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Complete uniform root reinforcement at least flush with the base metalto a maximum buildup of 1⁄16", if applicable ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
Objective TASK RATING
4 1. Select shielding gas for a given application.
3 2. Select filler metal for a given application.
4, 5 3. Connect the shielding gas and set the flow rate.
5 4. Select and prepare the electrode.
2, 5 5. Break down and reassemble a GTAW torch.
7.3
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INSTRUCTOR: _______________________________________________________________
GTAW: EQUIPMENT AND FILLER METALS — MODULE 29207-09 PERFORMANCE PROFILE
PERFORMANCE PROFILE SHEET NCCER TRAINING
Craft: Welding
Module Number: 29207-09
Module Title: GTAW: Equipment and Filler Metals
Rating Levels: (1) Passed: performed task (2) Failed: did not perform taskAlso, list the date the testing for each task was completed.
Recognition: When testing for the NCCER Standardized Craft Training Program, be sure to record Performance testing results on Craft Training ReportForm 200, and submit the results to the Training Program Sponsor.
Contren® Learning Series
Objective TASK RATING
1 1. Build a pad with stringer beads on carbon steel plate coupons inthe flat (1G) position using GTAW equipment and carbon steelfiller metal.
8.5
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TRAINEE SOCIAL SECURITY NUMBER: _________________________________________
CLASS: ____________________________________________________________________
TRAINING PROGRAM SPONSOR: _______________________________________________
____________________________________________________________________________
INSTRUCTOR: _______________________________________________________________
GTAW: PLATE — MODULE 29208-09 PERFORMANCE PROFILE
PERFORMANCE PROFILE SHEET (PAGE 1 OF 2) NCCER TRAINING
Craft: Welding
Module Number: 29208-09
Module Title: GTAW: Plate
Rating Levels: (1) Passed: performed task (2) Failed: did not perform taskAlso, list the date the testing for each task was completed.
Recognition: When testing for the NCCER Standardized Craft Training Program, be sure to record Performance testing results on Craft Training ReportForm 200, and submit the results to the Training Program Sponsor.
continued
Contren® Learning Series
Objective TASK RATING
2 2. Perform multiple-pass fillet welds on carbon steel plate couponsin the following positions, using GTAW equipment and carbonsteel filler metal:
• 1F
• 2F
• 3F
• 4F
3 3. Perform multiple-pass V-groove welds on carbon steel plate in thefollowing positions, using GTAW equipment and carbon steel fillermetal:
• 1G
• 2G
• 3G
• 4G
PERFORMANCE PROFILE SHEET (PAGE 2 OF 2) NCCER TRAINING
Craft: Welding
Module Number: 29208-09
Module Title: GTAW: Plate
WELDING LEVEL TWO — MODULE 29208-09 PERFORMANCE PROFILE8.6
Copyright © 2009 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Contren® Learning Series
MODULE 29208-09 GTAW: Plate 2.13
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
As directed by the instructor, use GTAW process with carbon steel filler metal to build a pad on a carbon steel coupon in the flat position.
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
WELD A PAD ON CARBON STEEL PLATEIN THE FLAT POSITION USING GTAWSTRINGER BEADS
GTAW
5"
3"
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
208A01.EPS
1 2 3
1 2 3 4 5 6
FLAT SURFACE
FLAT SURFACE
END OF VIEW OF WEAVE BEADS
END OF VIEW OF STRINGER BEADS
2.14 WELDING Performance Laboratories
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
As directed by the instructor, use GTAW process with carbon steel filler metal to make a six-pass fillet weld using stringer beads on carbon steel plate, as shown.
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld size ±1⁄16" ____________
• Smooth flat transition with complete fusion at the toes of the welds ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• No porosity ____________
• No excessive undercut ____________
• No overlap ____________
• No inclusions ____________
• No cracks ____________
MAKE MULTIPLE-PASS FILLET WELDS ON CARBON STEEL PLATE IN THE (1F) FLAT POSITION
CLAMP OR TACK TO TABLEOR POSITIONING ARM
123
BEADSEQUENCE
3"
4"
5"
456 123
456
208A02.EPS
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
GTAW
MODULE 29208-09 GTAW: Plate 2.15
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
As directed by the instructor, use GTAW process with carbon steel solid filler metal to make a six-passfillet weld using stringer beads on carbon steel plate, as shown.
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld size ±1⁄16" ____________
• Smooth flat transition with complete fusion at the toes of the welds ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• No porosity ____________
• No excessive undercut ____________
• No overlap ____________
• No inclusions ____________
• No cracks ____________
MAKE MULTIPLE-PASS FILLET WELDS ON CARBON STEEL PLATE IN THE (2F) HORIZONTAL POSITION
BEAD SEQUENCE
3"
4"
6"
208A03.EPS
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
1 2
3
4
56
GTAW
2.16 WELDING Performance Laboratories
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
As directed by the instructor, use GTAW process with carbon steel filler metal to make a vertical filletweld on carbon steel plate, as shown.
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
MAKE MULTIPLE-PASS FILLET WELDS ON CARBON STEEL PLATE IN THE (3F) VERTICAL POSITION
12 3
4 5 6
1
32
3"
5"
4"
208A04.EPS
WEAVE BEADSEQUENCE
STRINGER BEADSEQUENCE
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
GTAW
MODULE 29208-09 GTAW: Plate 2.17
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
As directed by the instructor, use GTAW process with carbon steel filler metal to make a six-pass fillet weld using stringer beads on carbon steel plate, as shown.
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld width ±1⁄16" ____________
• Acceptable weld profile in accordance with the applicable code or standard ____________
• Smooth flat transition with complete fusion at the toes of the weld ____________
• No porosity ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
MAKE MULTIPLE-PASS FILLET WELDS ON CARBON STEEL PLATE IN THE (4F) OVERHEAD POSITION
1
2
3
4
5
6
3"
5"
4"
208A05.EPS
WELD SEQUENCE
BASE METAL = CARBON STEELPLATE AT LEAST 1⁄4" THICK
NOTE:
GTAW
2.18 WELDING Performance Laboratories
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
MAKE MULTIPLE-PASS V-GROOVEWELDS ON CARBON STEEL PLATEIN THE FLAT (1G) POSITION
As directed by the instructor, use GTAW process with carbon steel filler metal to make multiple-passV-groove welds on carbon steel plate in the flat (1G) position, as shown.
208A06.EPS
371⁄2°
75°
JOINT DETAILS
MAX 1⁄8"
0"-1⁄8"
5"
6"
75°GTAW
NOTE: BASE METAL, CARBONSTEEL PLATE AT LEAST1⁄4" THICK
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld size ±1⁄16" ____________
• Acceptable weld profile in accordance with the ASME Boiler and Pressure Vessel Code ____________
• Smooth transition with complete fusion at the toes of the weld ____________
• Complete uniform root reinforcement at least flush with the base metal to a maximum buildup of 1⁄8" ____________
• No porosity ____________
• No overlap ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
• No pinholes (fisheyes) ____________
MODULE 29208-09 GTAW: Plate 2.19
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
As directed by the instructor, use GTAW process with carbon steel filler metal to make multiple-passV-groove welds on carbon steel plate in the horizontal (2G) position, as shown.
MAKE MULTIPLE-PASS V-GROOVEWELDS ON CARBON STEEL PLATEIN THE HORIZONTAL (2G) POSITION
208A07.EPS
75°
JOINT DETAILS
MAX 1⁄8"
0"-1⁄8"
5"
6"
NOTE: BASE METAL, CARBONSTEEL PLATE AT LEAST1⁄4" THICK
75°GTAW
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld size ±1⁄16" ____________
• Acceptable weld profile in accordance with the ASME Boiler and Pressure Vessel Code ____________
• Smooth transition with complete fusion at the toes of the weld ____________
• Complete uniform root reinforcement at least flush with the base metal to a maximum buildup of 1⁄8" ____________
• No porosity ____________
• No overlap ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
• No pinholes (fisheyes) ____________
2.20 WELDING Performance Laboratories
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
MAKE MULTIPLE-PASS V-GROOVEWELDS ON CARBON STEEL PLATEIN THE VERTICAL (3G) POSITION
As directed by the instructor, use GTAW process with carbon steel filler metal to make multiple-passV-groove welds on carbon steel plate in the vertical (3G) position, as shown.
208A08.EPS
75°
JOINT DETAILS
MAX 1⁄8"
0"-1⁄8"
6"
5"
NOTE: BASE METAL, CARBONSTEEL PLATE AT LEAST1⁄4" THICK
75°GTAW
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld size ±1⁄16" ____________
• Acceptable weld profile in accordance with the ASME Boiler and Pressure Vessel Code ____________
• Smooth transition with complete fusion at the toes of the weld ____________
• Complete uniform root reinforcement at least flush with the base metal to a maximum buildup of 1⁄8" ____________
• No porosity ____________
• No overlap ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
• No pinholes (fisheyes) ____________
MODULE 29208-09 GTAW: Plate 2.21
Copyright © 2010 National Center for Construction Education and Research. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Performance Accreditation Tasks Module 29208-09
MAKE MULTIPLE-PASS V-GROOVEWELDS ON CARBON STEEL PLATEIN THE OVERHEAD (4G) POSITION
As directed by the instructor, use GTAW process with carbon steel filler metal to make multiple-passV-groove welds on carbon steel plate in the overhead (4G) position, as shown.
208A09.EPS
75°
JOINT DETAILS
MAX 1⁄8"
0"-1⁄8"
6"
5"
NOTE: BASE METAL, CARBONSTEEL PLATE AT LEAST1⁄4" THICK
75°GTAW
Criteria for Acceptance• Uniform rippled appearance on the bead face ____________
• Craters and restarts filled to the full cross section of the weld ____________
• Uniform weld size ±1⁄16" ____________
• Acceptable weld profile in accordance with the ASME Boiler and Pressure Vessel Code ____________
• Smooth transition with complete fusion at the toes of the weld ____________
• Complete uniform root reinforcement at least flush with the base metal to a maximum buildup of 1⁄8" ____________
• No porosity ____________
• No overlap ____________
• No excessive undercut ____________
• No inclusions ____________
• No cracks ____________
• No pinholes (fisheyes) ____________