Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow

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Hot rolled steel tubes are manufactured by passing sheet metal through rollers to achieve specific physical dimensions. The finished product has a rough surface finish with radiused corners, and either a welded or seamless construction.Manufacturing hot rolled square steel tubing involves rollin...


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Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow Detail:

Hot rolled steel tubes are manufactured by passing sheet metal through rollers to achieve specific physical dimensions. The finished product has a rough surface finish with radiused corners, and either a welded or seamless construction.

Manufacturing hot rolled square steel tubing involves rolling the steel at temperatures exceeding 1,000

Product Description
Product name hot dipped galvanized steel pipe
Pipe end plain end
Pipe Length 3 meters-12 meters
Outside daimeter 1/2 inch-8 inch
Pipe fittings threaded, coupling, caps, flange, etc
Materials Q195, Q235, Q235B, St37-2, St52, SS400, STK500, ASTM A53, S235JR
Standard API 5CT, GB/T3091, ASTM A53, JIS G 3443
Surface galvanized
Zinc Coating > 210g/m2
Payment term T/T, L/C
Applications water pipe, low fluid transportation, scaffolding pipe, greenhouse pipes
Certificate ISO9001, SGS, TUV, BV
Specifications of Pre Galvanized Steel Pipe
Round Pipe Rectangular Tube Square Tube
Nominal Thickness Size Thickness Size Thickness
IN MM MM MM MM MM MM
1/2″ 20 0.8-2.2 20*40 0.8-2.0 16*16 0.8-1.5
3/4” 25 0.8-2.2 25*50 0.8-2.0 19*19 0.8-2.0
—— 25.4 0.8-2.2 30*40 0.8-2.0 20*20 0.8-2.0
1″ 32 0.8-2.2 30*50 0.8-2.0 25*25 0.8-2.0
—— 38 1.0-2.2 37*57 0.8-2.0 30*30 0.8-2.0
1-1/4′ 40 1.0-2.2 40*60 0.8-2.0 32*32 0.8-2.0
—— 42 1.0-2.3 37*77 0.8-2.0 35*35 0.8-2.0
1-1/2′ 47 1.0-2.3 25*75 0.9-2.0 38*38 0.8-2.0
—— 48 1.0-2.3 40*80 1.0-2.2 40*40 0.8-2.0
2″ 59 1.0-2.3 50*100 1.0-2.2 50*50 0.8-2.2
—— 60.3 1.0-2.3 50*75 1.0-2.2 60*60 1.0-2.2
2-1/2″ 75 1.0-2.3 38*75 1.0-2.2 75*75 1.0-2.2
3″ 87 1.0-2.3 50*150 1.3-2.2 80*80 1.0-2.2
4″ 113 1.0-2.3 100*100 1.2-2.2

Product detail pictures:

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures

Erw Galvanized Steel Pipe - Steel Square Pipe – Rainbow detail pictures


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  • This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
    5 Stars By Constance from UK - 2018.06.19 10:42
    The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Antonio from Belgium - 2017.07.07 13:00
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