... , Sch100, Sch120, Sch140 Sch160 , Sch XXS MaterialCarbon steel: A105Alloy steel: A182 F 1-F 2-F 5-F 9-F 10-F ... -316LN 321-321H 347-347H 904LLow temperature steel: A522 A707 Grade L 1-L 2-L 3-L 4-L ... 52-F 56-F 60-F 65-F 70Low-temperature steel: ASTM/ASME A402 WPL 3-WPL 6High performance: ... customers drawings or samples2.Software for specification drawings: Pro/E, Auto CAD, solid work 2001,CAXA,UG,CAD,CAM3 ...