牌號(hào) | Z55CMN20-08Az |
對(duì)應(yīng)標(biāo)準(zhǔn) | NF A 35-579-1991
閥門(mén)用鋼 Iron and steel. Stell for valves. Types. |
歸類(lèi) | 合金鋼 |
Reference heat treatment condition | Tensile strength at: N/mm2 | |||
500°C | 600°C | 700°C | 800°C | |
+QT | 640 | 540 | 440 | 290 |