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Hebei Huayang Steel Pipe Co.,Ltd.

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Hot-dip Galvanized Hollow Section Tube

Hot dipped Galvanized Welded Square & Rectangular Steel Pipe

Hot Dipped Galvanized Steel Pipes

Plating steel substrate and melting of the physical, chemical reaction to form complex structure, corrosion resistance of zinc alloy layer closely. Pure zinc alloy layer and layer and steel substrate. So the corrosion resistant ability. Hot dip galvanizing has a advantage of uniform coating, adhesion strong, long life etc.

Fabrication Process

black pipe examination → acid washing → water washing→ solventcoating→ lining → drying → passivation → examination → water cooling → inside blasting → outside blasting → galvanizing → proceed cleaning → drying → printing → sprinkling passivation → packing → final examination storage

Products Details

Commodity Pre/Hot dipped Galvanized Welded Square & Rectangular Steel Pipe
Outer diameter 30*30-600*600mm
Wall thickness 0.8-22mm
Length 2m-5.8m/6m/12m or RANDOM LENGTH
Standard BS 1387, BS EN10296, BS 4568, BS 4568, BS 1139, JIS G3463, GB/T 3087, GB/T 3091, DIN 1626, DIN 2444, ASTM A53
Grade GB: Q195, Q215, Q235, Q345
ASTM: Grade A, Grade B, Grade C, Grade D, Grade 50
EN: S185,S235JR,S235J0,S275,E335,S355JR,S355J0,S355J2
JIS: SS330,SS400,SPFC590,STKR400 STKR490
Zinc coating Pre-galvanized steel pipe: 60-120G/M2;
Hot dipped galvanized steel pipe: 200-550G/M2
Surface Bared, Galvanized, Oiled, Color Paint, 3PE; Or Other Anti-corrosive Treatment
Inspection With Chemical Composition and Mechanical Properties Analysis; Dimensional and Visual Inspection, also with Nondestructive Inspection.
Usage Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Low pressure fluid pipe for water oil or gas, Boiler pipe.
Main market Middle East, Africa, Asia, Europe, America
Packing In bundles or in bulk, wrapped with woven bags, or according to client’s requirement
Delivery time 10-15 days after receiving deposit/as to quantity demand
Payment Terms 30% T/T in advance, 70% balance against B/L copy; or L/C at sight
Port of Loading Tianjin(Xingang) Port Or Shanghai Port
Others 1.Special design available according to requirement
2.Pipe can be necked down, punching hole on pipe wall.
3.Pipe fittings, elbows are available.
Our Advantages 1.Swift Delivery
2.Competitive price and high quality product
3.Excellent export service


EN 10204/3.1B
Related Keywords: Hebei Huayang Steel Pipe Co.,Ltd.
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