1) Cold drawn/Hot rolled: seamless steel tube/pipe 2) Certificate:ISO9001:2000,PED,API 5L, API 5CT, Mill Test Certificate EN10204/3.1B 3) Standard: ASTM/ASME: A106, A53, A179, A192, A210(A1/C), A519(1020/1025/1026), A213(T5/T9/T11/T12/T22), A... - Update: 2011-05-23

Standard: API SPEC 5L Used: For conveying gas, water and oil in both the oil and natural gas industries Steel grade: PSL-1:A25I,A25II,A,B, X42,X46, X52, X56, X60,X65, X70 PSL-2:B, X42,X46, X52, X56, X60,X65, X70 - Update: 2011-05-23

Standard: 1) American Society of Mechanical Engineers: ASME SA-106, ASME SA-192M, ASME SA209M, ASME SA-210M, ASME SA-213M 2) Deutsche Industrial Normen DIN 17175 3) China Nation Standard: GB 3087, GB 5310 4) Japanese Industrial ... - Update: 2011-05-17

Standard:API 5L ASTM A53, ASTM A252, GB/T 9711 Steel Grade: API Grade A,B, X42 TO X70, A252 G3, L240 TO L480 Outside Diameter: 219mm to 1980mm Wall Thickness: 6.5mm to 60mm Length: up to 16000mm - Update: 2011-05-17