grade:40CR,1.7035,5140 steel specification skype:joywang7595 UT passed delivery ... steel ,alloy steel, tool steel,special steel,die steel40cr ,5140,1.7035 steel specificationmain grades : C45 ,C50p20,1.2311718 ... /1.2738/p20+Ni4140/42CrMo4/SCM440/1.722540CR/5140/1.7035D2/1.2379/skd11D3,D5,O1A36/Q235/A3 ... time:7-10dayspayment term:TT or LC 5140,din 1.7035 40cr steel specification,tool steel