Izvi zvinotevera ruzivo rwezvigadzirwa zvedu 1J80:
Kemikari yakagadzirwa
composition | C | P | S | Mn | Si |
≤ | |||||
Zvemukati(%) | 0.03 | 0.020 | 0.020 | 0.60~1.10 | 1.10~1.50 |
composition | Ni | Cr | Mo | Cu | Fe |
Zvemukati(%) | 79.0~81.5 | 2.60~3.00 | - | ≤0.2 | Bal |
Heat treatment system
chiratidzo chechitoro | Annealing medium | kupisa tembiricha | Chengetedza tembiricha nguva/h | Chiyero chekutonhora |
1j80 | Dry hydrogen kana vacuum, kudzvanywa hakuna kukura kupfuura 0.1 Pa | Pamwe chete nechoto chinopisa 1100 ~ 1150ºC | 3~6 | Mu100 ~ 200 ºC / h kumhanya kutonhora kusvika ku400 ~ 500 ºC, nekukurumidza kusvika ku200 ºC dhirowa kuchaji. |