Umbhobho wentsimbi ongenamthungo wemoto, umbhobho wentsimbi ongenamthungo wesakhiwo
intsimbi engundoqo
10 ~ 45, 16Mn, 20CrMo ~ 42CrMo
umgangatho wemveliso
GB8162《Ityhubhu yentsimbi engenamthungo yolwakhiwo》
I-ASME SA519《Ipayipi yentsimbi yeCarbon kunye netyhubhu yealloy-steel yesakhiwo esingenamthungo》