Outside diameter:  10mm_700mm

Grade:         10#-45#\16Mn\27SiMn

Executive standard:GB8162-99(Seamless Steel Structural Tubes:ASTM A500-98, ASTM A501-98,ASTNA519-98,JISG3441-1994, JISG3444-1994)

                 GB8163-99  (Seamless Steel Tubes:ASTM A53-98, ASTM A192, ASMES192,JISG3452-1998,FISG3454-1998,DIN1629-1984)

                GB3087-99  (Low and medium pressure boiler pipe:ASTM A179, ASTM A192, ASTM SA179, SA192, BS3059)

                GB5310-95  (High pressure boiler pipe:ASTM A106-96a, ASTM A213-95a, JIS G3461-1988, JIS G3462-1988, DIN17175-1979, BS3059

                GB6479-86  (Fertilizer equipment steel pipe:ISO9329-2-1997, ASTM A161-94)

                GB9948-88   (Oil cracking tube:JIS J3441-1988)

                GB5312-99   (Carbon steel pipe for ship:DIN2391-1994)

Specification: ∮6-610×1.5-40 -∮70-377×12-40