Technical Data
Chemical Requirements for ASTM A334 Grade 1 Seamless Tubes
Grade |
Mfg. Process |
Chemical composition(%) |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Grade 1 |
S, E, AT |
0.30Max |
- |
0.40~1.06 |
0.05Max |
0.60Max |
- |
- |
- |
Grade 3 |
S, E, AT |
0.19Max |
0.18~0.37 |
0.31~0.64 |
0.05Max |
0.050Max |
3.18-3.82 |
- |
- |
Tensile Requirements for ASTM A334 Alloy thick wall seamless pipe
Grade |
Tensile Test MPa or N/mm2 |
Remaks
(Similar to JIS) |
Min Yield point |
Tensile Strength |
Gr. 1 |
205 |
380Min |
Impact Test(J)
2V 18 |
Gr. 3 |
240 |
450Min |
2V 18 |
Specifications:ASTM A 334, ASME SA 334
Size Range:4" NB to 26" NB
Wall Thickness:2.0mm-14 mm
Schedules:20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH & heavier
Type:Seamless / Welded/ Low Temperature
Length:5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.
Outer Dimensions:6mm-1020mm
Grade:Grade 1,3,6