Main steel grade Carries out the standard
A,B,D,E（Z15.Z25.Z35)
AH32-FH32(Z15.Z25.Z35)
AH36-FH36(Z15.Z25.Z35)
API SPEC 2H Gr.42.Gr.50 A131(GrA,B,D,E,CS,AH32,AH36,DH32,DH36,EH32,EH36, FH32,FH36,AH40,DH40,EH40,FH40 2H(Gr42,50) 2W(TMCP)(Gr42,50,50T)
A32,A36,A40,D32,D36,D40,E32,E36,E40,F32,F36,F40 A420,A460,A500,A550,A620,A690,D420,D460,D500,D550,D620,D690 E420,E460,E500,E550,E620,E690,F420,F460,F500,F550,F620,F690 A27S,D27S,E27S , NV360-0A,-0N,NV360-1FN NV410-0A,-0N,NV410-1FN,NV460-0A,-0N,NV460-1FN NV490-0N,NV490-1FN,NV510-1FN NV0.3Mo,NV1Cr0.5Mo,NV2.25Cr1Mo 360,410,460,490,360FG,410FG,460FG,490FG,510FG 13CrMn4-5,11CrMo9-10 AH42,AH46,AH50,AH55,AH62,AH69,DH42,DH46,DH50,DH55,DH62,DH69 EH42,EH46,EH50,EH55,EH55,EH62,EH69,FH42,FH46,FH50,FH55,FH62 FH69,1.5Ni,3.5Ni,5Ni,9Ni,B420,B460,B500,N15,N35,N50,N90 M,CIM,C2M1,KA32,KA36,KA40,KF32,D32,D36,D40,F36,E32,E36,E40,F40 KP42,KP46,KP49,KPA46,KPA49,KPV24,KPV32,KPV36,KPV46,KPV50
CCS,DNV,GL,
LR,BV,ABS,
GB5313
API
Main use Uses in manufacturing the hull, the marine extraction platform, the platform tube contact and other structural elements.
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