... Steel Code /Steel GradeSeamless Steel Tube for Elevated TemperatureDIN17175φ16~426×1.0~36St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3 ... , 13CrMo44Cold Drawn Seamless Precision PipeDIN2391φ16~426×1.0~36St35,St45,St52Seamless Steel pipe for Structural purposeDIN2393 ... Code/Steel GradeSeamless Steel Tubes for Machine StructuralBS970φ10~426×1.0~36Carbon SteelSeamless Steel Tubes for Boiler and ...