Standard GB
Thickness 4.0--25.0mm
Section Shape Round
Place of Origin Tianjin, China (Mainland)
Secondary Or Not Non-secondary
Application Oil Pipe
Technique SAW
Certification GB/T9711.1--1997
Surface Treatment as per customers' request
Special Pipe Thick Wall Pipe
Alloy Or Not Non-alloy
Grade Q215, Q235
Outer Diameter 139.7--610.0mm

1. Application: Liquid long-distance delivery
2. Acquired GB Certificate
3. Market: Southeast Asia, Middle East, Europe, etc
Our company is a professional manufacturer specializing in producing SAW pipe, and ERW pipe. We can supply various kinds of these products. We also have advanced production equipment and skilled operators.

1. High-frequency Longitudinal-seam steel pipes
2. Standard GB/T9711.1-1997
3. Tickness 4.0- 25.0mm (as per customers' requirements)
4. DIA 139.7--610.0mm(as per customers' requirements)
5. Mass per unit length 13.4--52.3kg/m
6. Gross sectional area 17.1--66.6cm2
7. Radius of gyration 4.80--9.37cm
8. Elastic section modulus 56.2--429cm3
9. Plastic section modulus 73.7--562cm3
10. Torsional modulus constant 112--857cm3