Factory wholesale Erw Hot Rolled Hollow Section Square - Steel Round Pipe – Rainbow
Factory wholesale Erw Hot Rolled Hollow Section Square - Steel Round 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’ requirements. |
| Delivery | Within 20-30 days after receiving T/T deposit or L/C |
Hot Rolled Round Steel Tube
Hot rolled round steel tubes are measured by their outside diameter and their wall thickness. Their round structure allows them to have numerous types of architectural and structural applications. Hot rolled round steel tube is easy to cut, weld, form and machine.
Hot Rolled Round Steel Tube Applications
Hot rolled round steel tube is used in numerous types of industrial applications, including:
Motorcycle frames
Rollers
Shafts
Engine mounts
Bushings
And more


Product detail pictures:
Related Product Guide:
Greenhouse commonly used steel greenhouse introduction
Steel Deep Processing
Our growth depends around the superior machines, exceptional talents and consistently strengthened technology forces for Factory wholesale Erw Hot Rolled Hollow Section Square - Steel Round Pipe – Rainbow , The product will supply to all over the world, such as: Swiss, South Korea, Seattle, We always insist on the management tenet of "Quality is First, Technology is Basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.
Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.






