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29 Cards in this Set
- Front
- Back
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DESIGN- MILL TOLERANCE FOR ROLLED AND WELDED PIPE |
-0.010 |
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NDE- MAXIMUM LENGTH OF CRACK, OR INCOMPLETE FUSION ALLOWED ON A NEW WELD |
0" |
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FLANGES- TYPICAL FLANGE FACE FINISH |
125-250 MICRO-INCH |
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FLANGES- WHEN MATING FLANGES, THE MAXIMUM AMOUNT OF UNPARALLEL ALLOWED ( PER DIAMETER OF FLANGE IN FEET ) |
1/16" PER FOOT |
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FLANGES- MAX OFFSET FOR BOLT-HOLES FOR MATING FLANGES |
1/8" |
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WELDING- MAXIMUM ALLOWED SIZE OF OPEN DISCONTINUITY IN A BEND TEST |
1/8" |
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NDE- MINIMUM DISTANCE BEYOND THE AREA TO BE EXAMINED TO CLEAN A PART WHEN PERFORMING A MT EXAMINATION |
1" |
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NDE- MINIMUM DISTANCE BEYOND THE AREA TO BE EXAMINED TO CLEAN A PART WHEN PERFORMING A PT EXAMINATION |
1" |
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REPAIRS- MINIMUM RADIUS OF INSERT PATCH |
1" |
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NDE- MAX DIAMETER OF CML EXAM POINT FOR LINES GREATER THAN OR EQUAL TO 10 NPS |
2" |
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NDE- MAX DIAMETER OF CML EXAM POINT FOR LINES LESS THAN 10 NPS |
3" |
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PREHEAT ZONE- DISTANCE FOR START OF WELD |
GREATER OF 3" OR 1.5 T (TIMES THICKNESS) |
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PWHT ZONE- MINIMUM WIDTH OF BAND |
3 T ( TIMES THICKNESS) |
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NDE- MINIMUM LENGTH OF SPOT RT |
6" |
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WELD QUALITY- MINIMUM WELD LENGTH WHEN QUALIFYING A WELDER WITH RT/UT USING A COUPON OR 1ST PRODUCTION WELD |
6" |
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WELD QUALIFY- MINIMUM WELD LENGTH WHEN QUALIFYING A WELDING OPERATOR WITH RT/UT OF A TEST COUPON |
6" |
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CORROSION- SOIL-TO-AIR AREA- DISTANCE IN AIR INTERFACE |
6" |
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CORROSION- DISTANCE TO DIG WHEN INSPECTING FOR SOIL-TO-AIR CORROSION |
6"-12" |
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NDE- DISTANCE OF EYE-TO-PART TO COUNT AS A VISUAL EXAM |
6"-24" |
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CORROSION- SOIL-TO-AIR AREA- DISTANCE IN SOIL FROM INTERFACE |
12" |
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NDE- MINIMUM UPSTREAM LIMIT OF INTENSIVE EXAMINATION OF INJECTION POINT CIRCUIT |
12" |
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PWHT- MINIMUM OVERLAP FOR PWHT WHEN USING MULTIPLE HEATS |
12" |
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WELD QUALIFY- MINIMUM WELD LENGTH WHEN QUALIFYING A WELDING OPERATOR WITH RT/UT OF FIRST PRODUCTION WELD |
3' |
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UNDERGROUND- MINIMUM LENGTH OF BURIED PIPE TO EXPOSE WHEN EXCAVATING FOR INSPECTION |
6'- 8' |
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REPAIRS- MAXIMUM SIZE OF FILLET WELD PATCH ON PIPE |
1/2 DIAMETER |
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CIRCUITS- MINIMUM UPSTREAM LIMIT OF INJECTION POINT CIRCUIT |
GREATER OF 12" OR 3 DIAMETER |
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NDE- MINIMUM DOWNSTREAM LIMIT OF INTENSIVE EXAMINATION OF INJECTION POINT CIRCIUT |
10 DIAMETERS |
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CIRCUITS- MINIMUM DOWNSTREAM LIMIT OF INJECTION POINT CIRCUIT |
LESSER OF: 1ST DIRECTION CHANGE + 25', OR 2ND DIRECTION CHANGE |
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LINEAR INDICATION |
LENGTH IS LESS THAN OR EQUAL TOO 3 TIMES WIDTH |
