Cov khoom ntawm 84 lub cav ntom nti

GCr15 yog ib hom roj carbon monoxide chromium uas muaj cov hlau tsis tshua muaj siab, uas muaj kev sib zog, kev ua haujlwm zoo, kev hnav zoo thiab kev sib tiv tauj kev siab ntev tom qab quenching thiab tempering ntawm tsawg kub. Nws zoo li 52100 khoom siv thiab nrov siv nyob rau hauv 84 "Cov dej khov nab kuab thiab 77" Cov dej khov nab kuab.

Cov khoom muaj pes tsawg leeg:

C: 0.95-1.05

Mn: 0.20-0.40

Si: 0.15-0.35

S: ≤ 0.020

P: ≤ 0.25

Cr: 1.30-1.65

Ni: ≤ 0.30

Mechanical zog

Tensile zog (MPa): 861.3

Yield zog (MPa): 518.42

Elongation tom qab pob txha (%): 27.95

Bending zog (MPa): 1821.61