1、Seamless steel pipe for structure: GB8162-2008

2、 Steel pipes for conveying fluid: GB/T 8163-2008

3、Seamless steel pipe for boiler: GB3087-2008

4、High pressure seamless pipe for boiler: GB5310-2008 (ST45.8- type III)

5、High pressure seamless steel pipe for chemical fertilizer equipment: GB6479-1999

6、Seamless steel pipe for geological drilling: YB235-70

7、Seamless steel pipe for petroleum drilling: YB528-65

8、Seamless steel pipe for petroleum cracking: GB9948-88

9、Special seamless pipe for oil drill collar: YB691-70

10、Seamless steel pipe for automobile half axle: GB3088-1999

11、Seamless steel pipe for ship: GB5312-1999

12、Cold-drawn cold-rolled precision seamless steel pipe: GB3639-1999

13、Various alloy pipes 16Mn, 27SiMn, 15CrMo, 35CrMo, 12CrMov, 20G, 40Cr 12Cr1MoV, 15CrMo

In addition there are also GB/T17396-1998 (hot rolled seamless steel pipe for hydraulic support), GB3093-1986 (high pressure seamless steel pipe for diesel engine), GB/T3639-1983 (cold drawn or cold rolled precision seamless steel pipe), GB/T3094 1986 (special shaped steel pipe for cold drawn seamless steel pipe), GB/T8713 1988 (precision seamless steel pipe for hydraulic and pneumatic cylinders), GB13296 1991 (stainless steel seamless steel pipe for boiler and heat exchanger), GB/T14975-1994 (stainless steel seamless steel pipe for structure), GB/T14976-1994 (stainless steel seamless steel pipe for fluid transportation) GB/T5035-1993 (seamless steel pipe for automobile half-axle sleeve), API SPEC5CT-1999 (specification for casing and tubing), etc. Jinjiang Da Changjiang Steel Pipe Industry Co., Ltd. specializes in the production and sales of Fujian seamless pipe, Fujian spiral pipe and frame tube. Welcome to inquire: 86-0595 / 82151777