1.Seamless steel pipe for general use: ASTM A 53 GR.B, Grade: SA53B

Size: 1/8"-28", 17-711.2mm.

 

2.Seamless steel pipe for high temperature: ASTM A 106 GR.B,  Grade: SA106B,

Size: 1/8"-24", 17-610mm.

 

3.Pipeline: API SPEC 5L. 5CT Steel Grade: B

Size: 4"-20", 114-508mm.

 

4.Seamless steel pipe for low temperature of -40C-101C, ASTM A333, Grade: GR.A,GR.1,GR.7,GR.3,

Size: 1"-24", 25-610mm .

 

5.Seamless steel pipe for Construction use: DIN2448/1629,DIN17175-1979,  German standard, Grade: St37, St42, St52, St35.8, St45.8/1,

Size: 1/2"-24", 21.3-610mm.

 

6.Structure used seamless steel pipe: GB/T8162-1999, Grade: 10#, 20#, 35#, 45#, 16Mn(Q345,ST52),

Size: 21.3-720mm*1-70mm.

 

7.Liquid transport steel pipe seamless GB/T8163-1999, Grade: 10#, 20#, 16Mn(Q345)

Size: 21.3-559*1-50mm.

 

8. Low or Medium pressure boiler seamless steel pipe GB3087-1999, Grade: 10#, 20#