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SM400B

2020-04-24 20:29:11

Steel Grade: Old Grade: Thinkness/(mm): C(％): Si(％): Mn(％): P≤(％): S(％)≤: CE:
SM400B SM50B ≤50 ≤0.18 ≤0.55 ≤1.60 0.035 0.035 0.44
SM490B SM50B ＞50～200 ≤0.20 ≤0.55 ≤1.60 0.035 0.035 0.47

Steel Grade: Yield Strengthσs/MPa|＜16mm: Yield Strengthσs/MPa|16～40: Yield Strengthσs/MPa|40～75: Yield Strengthσs/MPa|75～100: Yield Strengthσs/MPa|100～160: Yield Strengthσs/MPa|160～200:
SM490B 325 315 295 295 285 275

Steel Grade: Tensile Strength|σb/Mpa:|＜100mm: Tensile Strength|σb/Mpa:|100～200: AKV(0℃)/J: Extensibility|d/mm: Extensibility|δ(％):
SM400B 400～510 400～510 ≥27 ＜5；5～16；6～50；＞4 23；18；22；24


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