GB/T3091 Spiral Steel Pipe
gnee pipe team
GB/T 3091-2008 is the national standard for "Welded Steel Pipes for Low-Pressure Fluid Transportation". This standard specifies the size, shape, weight, and Technical requirements, test methods, inspection rules, packaging, marking and quality certificates, etc.
GB/T3091 double-sided submerged arc spiral steel pipe has a wide range of uses, including construction, machinery manufacturing, steel structures and other fields. Because of its good mechanical properties and wear resistance, it is widely used in pipelines transporting oil, natural gas and other fluid materials. At the same time, the steel pipe is also widely used in construction projects such as bridges, tunnels, and highways, as well as in the manufacturing of industrial equipment such as chemical industry, electric power, and metallurgy.
Tolerance of Outside Diameter and Wall Thickness
| Standard | Tolerance of Pipe Body | Tolerance of Pipe End | Tolerance of Wall Thickness | |||
| Out Diameter | Tolerance | Out Diameter | Tolerance | |||
| GB/T3091 | OD≤48.3mm | ≤±0.5 | OD≤48.3mm | - | ≤±10% | |
| 48.3 | ≤±1.0% | 48.3 | - | |||
| 273.1 | ≤±0.75% | 273.1 | -0.8～+2.4 | |||
| OD>508mm | ≤±1.0% | OD>508mm | -0.8～+3.2 | |||
Spiral Welded Steel Pipe
GB/T3091-2015 Spiral Welded Steel Pipe requires water pressure and radiographic flaw detection tests on the steel pipes one by one. The length is usually 12 meters per pipe (steel pipes of other lengths can also be customized according to user requirements). The materials include carbon steel and low alloy steel. , pipeline pipe.
Gnee's annual sales volume exceeds 60 million tons. Products are widely exported to more than 70 countries and regions in Africa, the Middle East, Southeast Asia, Europe, and Australia.
Gnee Packaging and shipping
FAQ
1.Q. How can we trust your company?
A.We specialize in the steel business for many years, quality assurance is our prerequisite, you are welcome to visit us by all means.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q.Do you have quality control?
A.Yes, we have got BV.SGS certification.
Hot Tags: gb/t3091 spiral steel pipe, China gb/t3091 spiral steel pipe manufacturers, suppliers, factory
You Might Also Like
Send Inquiry