stainless steel round steel bar round steel(round steel,stainless steel round bar,steel)round steel(round steel,stainless steel round bar,steel)We are making the below forged and hot rolled steel bars all the time, and the detailsis as followings ... ,CK45,CK55,20Cr,40Cr,SCM440,SCM420,SUP9,SUP11 and so on.Standard: GB/T699-1999,GB/T3077-1991,JISG4051,ASTM ,DIN ...