... 2.WT:SCH10-160 3.Material:SS,CS,Alloy 4.Type:ERW,LASW,eg 5.Certificate:API, ... electric power, chemical industry,Chemical, , pharmaceutical machinery, etc ASTM A213ASTM A312304(L),316(L)Mild steel45 °C ~ 195 ... oxygen in the water, the oil pipeAPI 5LA,B,X42,X46, X52,X56,X60,egStraighe seem steel ... liquid transportation with steel pipesSY/T5037-2000Q235BQ345B ASTM SA335 A335,P22 alloy steel pipe