ASTM A106 A36 A53 Square Galvanized Steel Structural Rectangular Tube

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Product Description

Basic Information
Model NO.
Galvanized
Type
Seamless Welded
Technique
Hot Rolled Cold Rolled Cold Drawn ERW
Material
Carbon Steel Alloy Steel
Surface
Galvanized
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry
Section Shape
Round Square Oval Rectangular
MOQ
1 Ton
Galvanized Steel Structural Tube
Product Specifications
Product Name Q235B Square Galvanized Carbon Steel Tube
Size (OD) 15x15mm-600x600mm / 20x30mm-600x800mm
Wall Thickness 1.2mm-20mm (SCH30, SCH40, STD, XS, SCH80, SCH160, XXS etc.)
Length Less Than 12m
Steel Material Q195 (Grade B), Q215 (Grade C), Q235 (Grade D, SS400, S235JR)
Standards BS EN10296, BS EN10025, BS EN10297, BS6323, BSEN10219, GB/T3091
Surface Treatment Bared, Black Painted, Galvanized, Oiled, 3 PE, FBE
Ends Plain, Beveled, Thread with Coupling or Cap
Product Details Header
Square Tube Detail 1
Square Tube Detail 2
Dimensions (SHS & RHS)
Square Section (mm) WT (mm) Rectangular Section (mm) WT (mm)
16*160.8-1.520*400.8-2.0
20*200.8-2.030*500.8-2.0
40*400.8-2.040*801.0-2.2
50*500.8-2.050*1001.0-2.2
100*1001.0-2.350*751.0-2.2
Steel Tube Production
Stockyard
Packaging
Loading
Quality Control & Testing
Quality Inspection Test Report
Frequently Asked Questions
What are the main products you can supply?
We supply professional steel products including Stainless steel sheets, Coils, Tubes, Profiles, Composite packaging materials, Corten steel, Wear Resistant steel, and Carbon steels.
Do you accept customized and OEM products?
Yes, we can handle production based on your drawings and with your requirements. We have a strong design and development team for customized solutions.
What are your standard payment terms?
Commonly, we accept 30% T/T as deposit with 70% balance against B/L copy, or 100% Irrevocable L/C at sight.
How do samples work? Are there extra fees?
Samples from stock are free. For new production samples, we charge a reasonable cost, which is then deducted from your first order invoice.
What is the typical delivery time?
With a daily inventory of over 8000 tons, common sizes take just 5 days from stock. Special sizes from new production typically take 20-30 days.
How is shipment quality guaranteed?
All facilities are ISO9001 certified. We use materials from famous mills like TISCO and Baosteel, conduct in-house laboratory inspections, and support SGS/BV third-party inspections before delivery.

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