Specifications:  

1) Kind: steel pipe for conducting gas and oil; steel pipe for construction, etc.

2) Size: OD: 273 - 830mm, WT: 6.5 - 35mm

3) Specifications: 20# / 45# / 16Mn / Q295 / Q345 / 20CrMo / 35CrMo / 27SiMn 

    / 34Mn2V / 37Mn

4) Standards: GB/T 8163-1999, GB/T 8162-1999, API SPE 5L / ASTM A 53 A106

Features:

1) Standards: GB 6728-2002, JISG3466-88, EN 102192

2) Sizes: from  60 x 60 x 4 ~ 12  to  500 x 500 x 8 ~ 24