1,Size : 1/ 2"- 72" 2,Wall thickness: SCH20, SGP, STD, SCH40, SCH80, SCH160 Sch xxs 3,Applicable standard: ANSI B 16.9, ASME, ASTM, , JIS, DIN, EN, ANSI B16.9/16.28, ASTM, API 5L, DIN2605/2615/2616, JIS P2311/2312 ASME B36.10M---1996 4,Material: Carbon steel, alloy steel, stainless steel ASTM A234 WPB, carbon steel, Low Alloy, stainless(only for flange) 5,Connection: Butt-welding,forged fitting 6,Surface treatment: Black rust-proof oil, transparent oil, l, hot galvanizing 7,Applications rang: such as oil, chemical industry, water conservancy, electric power, boiler, machinery, metallurgy, sanitary construction etc. 8,Quality: ISO9001 : ISO2000-Quality-System has been passed 9,Packaging: Wooden cases ,wooden pallet plastic bag or as per customers requirement 10,Delivery time: 20 days after conformed 11,Productivity: 50000 tons per year