Casting

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29 May 2019

Chemical composition varieties



GOST:   St3Sp, St4Sp, St5Sp 
DIN:       Ck25, Ck45, Ck60, 55Cr3, 50CrV4, 70Cr2, 100Cr6, 21CrMoV 5 7, 51CrMoV4, 42CrMo4, 36CrNiMo4, 34CrNiMo6 
ASTM:   A105,4140 
JIS:        SWRH (27~72) grade A, B