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ASTM A53
Black and hot-dipped zinc-coated steel tube welded and seamless
Grade and Chemical Composition
Grade | C≤ | Mn | P≤ | S≤ | Si≥ | Cr≤ | Cu≤ | Mo≤ | Ni≤ | V≤ |
A | 0.25 | ≤0.95 | 0.05 | 0.045 | - | 0.40 | - | 0.15 | - | 0.08 |
B | 0.30 | ≤1.20 | 0.05 | 0.045 | - | 0.40 | - | 0.15 | - | 0.08 |
Mechanical Properties
Grade | Rm Mpa Tensile Strength | Mpa Yield Point | AElongation | Delivery Condition |
A | ≥330 | ≥205 | 36 | Annealed |
B | ≥415 | ≥240 | 29.5 | Annealed |
ASTM A53 seamless steel pipe