En10219 S235jrh S275j0h S275j2h S355j0h S355j2h Cold Formed Welded Carbon Steel Structural Square Hollow Section

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Product Description

Basic Specifications
Model NO.
EN10219 Square Hollow Section
Type
Welded
Technique
ERW
Material
Carbon Steel
Surface
Black / Galvanized
Section Shape
Square
Standard
EN 10219
Outer Diameter
5-800mm
Thickness
0.5mm-25mm
Length
6-12m / Customized
MOQ
5 Tons
Capacity
110,000 Tons/Year
Product Description
Product NameGalvanized Steel Pipe / Square Hollow Section
MaterialsCarbon Steel (Q195/Q235/Q345/S235JR/GR.B-D, etc.)
StandardsGB/T3091, BS 1387, DIN EN10025, EN10219, JIS G3444, ASTM A53
Surface TreatmentHot Dip Galvanizing / Black / Oiled
Zinc Coating30g-275g/m2
UsageConstruction, Machinery, Pipeline Transport, Greenhouse, Water Systems
Factory AdvantageLarge inventory, support customization, third-party inspection accepted
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Hot Dip Galvanizing Process

By immersing steel products in zinc liquid, a zinc-iron alloy layer forms, greatly improving corrosion resistance and extending service life.

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Usage & Versatility

Widely used for plumbing, fire protection, gas pipes, petroleum industry, and chemical equipment. Excellent pressure resistance without deformation.

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Manufacturing Excellence

Advanced production lines ensure efficient output and stringent quality control. Products serve global markets including Southeast Asia, Middle East, and South America.

Frequently Asked Questions
What guarantees do you have for the quality of your steel?
Our steel products are produced strictly in accordance with international and internal standards. Each batch undergoes strict quality inspection, and we provide a quality assurance certificate.
What is the production capacity of your factory?
The factory has an annual production capacity of 500,000 tons, fully meeting various large-scale production demands.
What transportation methods do you usually use?
For the export of steel, we usually use sea freight due to lower costs for large quantities. For urgent orders, air or land transportation can be arranged.
What are the common packaging methods for steel?
Steel is usually packaged in bundles. For special requirements like stainless steel, we use moisture-proof materials like plastic film and rust-proof paper.
Can you provide technical support for use and processing?
Yes, we have a professional technical team to provide guidance on cutting, welding, bending, and other processing aspects.
Can special performance steel be customized?
Absolutely. We can customize steel with specific properties like high strength, high toughness, or heat/corrosion resistance according to your needs.

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