... ",3",3 1/2",4",5",6",8",10",12",14",16",18"5.W.T:SCH5S,SCH10S,SCH40S,SCH80S Descriptionwelded ... transport; structural and machining TypeChemical Composition(%)ASTMCCrNiMnPSMoSiCuN201≤0.1516.00-18.003.00-5.505.50-7.50≤0.060≤0.030 ... ≤0.0717.00-19.008.00-10.00≤2.00≤0.035≤0.030 -≤1.0 - -316≤0.0816.00-18.5010.00-14.00≤2.00≤0.035 ...