430 | C≤0.12 | Mn≤1 | P≤0.04 | S≤0.03 | Si≤1 | Cr16-18 | Ni≤0.75 | / |
304 | C≤0.07 | Mn≤2 | P≤0.045 | S≤0.03 | Si≤0.75 | Cr17.5-19.5 | Ni8-10.5 | N≤0.1 |
性能 | 304不銹鋼管 | 430不銹鋼管 |
屈服強(qiáng)度(MPa) | ≥205 | ≥205 |
抗拉強(qiáng)度(MPa | ≥515 | ≥450 |
斷后伸長率% | ≥40 | ≥22 |
硬度 HBW | ≤201 | ≤183 |