Steel Hollow Bar Size - Spiral Welded Carbon Steel Pipe – Rainbow
Steel Hollow Bar Size - Spiral Welded Carbon Steel Pipe – Rainbow Detail:
Welded steel pipes with hot dip coating or electric-galvanized?coating on the surface of galvanized steel pipes. Galvanizing can? increase the corrosion resistance of steel pipes and prolong their service life. Galvanized pipes are widely used, not only as pipelines for water, gas, oil and other general low-pressure fluids, but also as oil well pipes and oil pipelines in the petroleum? industry, especially in offshore oil fields, oil heaters, condensation coolers, tubes for coal distillation and washing oil?exchangers in chemical coking equipment, and tubes for trestle pipe piles and support frames in mine tunnels.
Secondary or not | Non-secondary |
Alloy or not | Non-alloy |
Technique | ERW, hot rolled or cold rolled |
Standard | BS 1387, BS EN 39, GB/T 3091, ASTM A53, JIS G3444, etc. |
Grade/Material | 10#, 20#, 45#, Q195, Q235, Q345, 16Mn, ST 37.4, etc. |
Place of origin | Tianjin, China(Mainland) |
Certifications | ISO 9001:2008, BV, SGS, ABS |
Production capacity | 3500 ton/week |
Section shape | Round |
Outer diameter | 20-325mm |
Wall thickness | 0.5-25mm |
Length | 2-12m, or cut as request. |
Technique tolerance | OD: +/-1mm, WT: +/-0.5mm, L: +/-20mm |
Surface treatment | Galvanized, painted, oiled, printed or powder coated |
Zinc coated | pre-galvanized, 80-120 g/m2; hot dip galvanized, 230-500 g/m2 |
Colour | Silver, black or painted as request |
End of pipe | Plain?burred,beveled, threaded |
Trade term | FOB Tianjin China, CIF, C&F |
Loading Port | Tianjin Xingang Port, China |
Package | 1.Big OD: in bulk; 2.Small OD: in bundles, packed by steel strips; 3. Waterproof package with plastic cloth; 4.Standard export package; 5.According to customers |
Product detail pictures:



Related Product Guide:
Greenhouse commonly used steel greenhouse introduction
Steel Deep Processing
We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for Steel Hollow Bar Size - Spiral Welded Carbon Steel Pipe – Rainbow , The product will supply to all over the world, such as: Albania, Seychelles, Belgium, We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of "good quality, reasonable price, the first-class service". We have been willing to build long-term, friendly and mutually beneficial cooperation with you.

We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.

Write your message here and send it to us