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1.Standard:ASTM A53-2007
2.Size: OD:21.3-406.4mm WT:2-45mm
3.Grade:10# 20# 45# 16Mn A53(A B) A106(B C) API J55 APIK55 Q235 Q345
4.Certification:ISO
Grade and chemical composition
Grade | C ≤ | M ≤ | P ≤ | S ≤ | Cu ≥ | Ni ≤ | Cr ≤ | Mo ≤ | V ≤ |
A | 0.25 | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
B | 0.30 | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Mechanical Properties
Grade | Rm Mpa Tensile Strength | Mpa Yield Point | A％Elongation | Delivery Condition |
A | ≥330 | ≥205 | 20 | Annealed |
B | ≥415 | ≥240 | 20 | Annealed |
Dimension Tolerances
Pipe Type | Pipe Sizes | Tolerances | ||
Cold Drawn | OD | ≤48.3mm | ±0.40mm | |
WT | ≥60.3mm | ±1％mm |
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