Details of Seamless Alloy Steel Pipe :
A369/A369M FPA , FPB , FP1 , FP2 Carbon and Ferritic Alloy Steel Forged and Bored Pipe Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature Service
Testing of Seamless Alloy Steel Pipe: Additional Tension Test Additional Flattening or Bend Tests Ultrasonic Tests Hydrostatic Test Metal Structure and Etching Tests
TABLE 1 Chemical Requirements of Seamless Alloy Steel Pipe
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TABLE 2 Tensile Requirements of Seamless Alloy Steel Pipe
Grade |
FPA |
FPB |
FP1,FP2 |
FP12 |
FP91 |
FP92 |
All Others |
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Tensile strength,min, Ksi,[MPa] |
48[330] |
60[415] |
55[380] |
60[415] |
85[585] |
90[620] |
60[415] |
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Yield strength,min, Ksi,[MPa] |
30[210] |
35[240] |
30[210] |
32[220] |
60[415] |
64[440] |
30[210] |
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Elongation Requirements |
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Grade |
FPA |
FPB |
FP91 and FP92 |
All Others |
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Elongation in 2 in. or 50mm,min %: |
Longitu-dinal |
Trans-verse |
Longitu-dinal |
Trans- verse |
Longitu- dinal |
Trans- verse |
Longitu- dinal |
Trans- verse |
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35 |
25 |
30 |
17 |
27 |
18 |
30 |
20 |
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Basic minimum elongation for wall 5⁄16 in. |
28 |
20 |
22 |
12 |
20 |
13 |
22 |
14 |
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[8mm]and over in thickness, strip tests, and for all small sizes tested in full-section When standard round 2-in. or 50-mm gage length test specimen is used |
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