Hot Dipped Galvanized Round Steel Pipe/GI Pipe/Welded hot dipped galvanized black round steel pipes tubes

Short Description:

Pre-galvanized steel tubes are widely used in many areas. Our factory is manufacturing good quality steel tubes in different sizes and wall thicknesses. During processing, both inner and out side welding line will be removed. Please feel free to contact me for further information.


Product Detail

Product Tags

Product Description:

Steel Pipe
Steel Pipe

Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of team building, attempting hard to boost the standard and liability consciousness of personnel customers. Our corporation successfully attained IS9001 Certification and European CE Certification of  China Building MaterialSteel Pipe, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.

Welded steel pipes with hot dip galvanized coating on the surface of  steel pipes. Galvanizing can increase the corrosion resistance of steel pipes and prolong their service life. Galvanized pipes are widely used, not only aspipelines for water, gas, oil and other general low-pressure fluids, but also as oil 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.

Product Specification:

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

Packing& Loading:

Packaging Details:
1. Small OD: In hexagonal bundle with steel strips
2. Large OD: In bulk
3. Wrapped in waterproof plastic woven bag
4. Filled in wooden cases
5. As required
Delivery Detail:Shipped in 7-15 days after received deposit

Company Introduction :

Tianjin Rainbow Steel Group was founded in 2000, Located in Tianjin City. With development of past 20 years, Rainbow Steel has became into an integrated iron and steel enterprise of galvanized steel pipe, galvanized steel angle bar, galvanized profiles, galvanized steel structures for Infrastructure Construction, Building Industry, Agriculture and New Energy area. We are also the biggest electrical transmission steel tower manufacturer in North of China. Rainbow Steel Group has several subsidiaries which including steel processing lines, steel cutting, welding and stamping workshop, galvanizing mill and huge storage house.Our team has manufacturing technologies, processing experiences, engineering capabilities and advanced equipment. Our people are intelligent and hardworking. Our main exporting products are galvanized steel pipes, jobs of steel structures or frame works, galvanized iron angle bar, flat bar, iron channels and beams, steel profiles and all other steel jobs which will need further processing.With the global trending situation development, Rainbow steel is committed to develop innovative technologies and excellent service to meet the growing solar energy needs. Our team has over 10 years’ experience and successful cases at solar mounting (solar bracket) business. Our products have obtained the certificate of TUV, CE,ISO 9001-2008 and so on. Laser cutting,welding and stamping workshops are available for normal and customized goods.


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