Spiral steel pipe DN:15-3600 Thickness:2.5-40mm Length :6000mm-12000 Material:20#,16Mn,A53(A,B),A106(B,C),St37,APIJ55,APIK55,BS1387,JISG3444-2006 Standard:AS***106-B,AS***53-B,API5L-B,API5LPSL1,PSL2,GR.B,X42,X52X60,X70,X80and5CT,J55,K55,SAE1020 ,SAE1045,DIN 17175 ST 35.8,ST37,ST45 , DIN 2391 ST52 (16Mn). Application field :Used in Construction,Electricity,Machine, transportation , piling pipe industry. Line pipe for petroleum. |