56NiCrMoV7 steel yog German DIN tus thawj coj tus qauv steel tooj, belongs rau kub ua hauj lwm pwm steel, cov hlau muaj chromium Cr npaum li cas ntawm 1.10% los yog li ntawd, tom qab quenching thiab tempering cov kev ua tau zoo, nrog siab hardenability, hnav tsis kam thiab thermal qaug zog expansion tsis kam yog siab, me me deformation.
Tus Qauv Ua Haujlwm: DIN 17350-1980
Tshuaj muaj pes tsawg leeg:
Cov pa roj carbon C: {{0}},50 ~ 0.60
Silicon Yog: {{0}},10~0.40
Manganese Mn: {{0}},65 ~ 0.95
Phosphorus P: Tsawg dua lossis sib npaug rau 0,030
Sulfur S: Tsawg dua lossis sib npaug rau 0,030
Chromium Cr: 1.00~ 1.30
Molybdenum Mo: {{0}},45 ~ 0.55
Nickel: 1.50 ~ 1.80 hli
Vanadium V: {{0}}.07~0.12
Kev xa khoom: Forged, annealed lossis tig
