Ipayipi lensimbi elingenamthungo lemoto, ipayipi lensimbi elingenamthungo lesakhiwo
insimbi eyinhloko
10~45,16Mn,20CrMo~42CrMo
izinga lokukhiqiza
I-GB8162《Ithubhu yensimbi engenamthungo yesakhiwo》
I-ASME SA519《Ipayipi lensimbi ye-Carbon kanye neshubhu le-alloy-steel lesakhiwo esingenamthungo》