ASTM A36 A500 SAE 1006 S235 S355 Hollow Section Rectangular Pipe Welded Ms ERW Black Iron Rhs Shs Carbon Steel Square Tube Price

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Product Description

Basic Information
TechniqueHot RolledMaterialCarbon Steel
Surface TreatmentBlackSection ShapeSquare
Thickness0.5-60mmLength6m, 9m, 12m, or required
Delivery Time7-10 DaysProcessing ServiceWelding, Punching, Cutting, Bending, Decoiling
Steel GradeA500, S355jr, St52, A36, S235jr...HS Code7306610000
Production Capacity10000 Tons Per MonthUsagePipeline Transport, Machinery, Chemical Industry, Construction
Product Description
Carbon Steel Square Tube

The square tube is categorized by production process into hot rolled seamless, cold drawn seamless, extruded seamless, and welded square tubes. Welded square tubes are further classified:

By Process: Arc welding, resistance welding (high/low frequency), gas welding, furnace welding.
By Weld Seam: Straight seam welded, spiral welded.
Welded Process
Product Quality Test
Test Dimension
Testing Equipment
Product Specifications
Size: 20*20mm - 600*600mm / 20*40 - 400*600mm
Wall Thickness: 1.2-20mm
Standards: ASTM A500, EN10219, EN10210, JIS3466, GB/T6728
Materials: Gr.A, Gr.B, Gr.C, S195, S235, S355, Q235, Q345
Packing: Hexagonal seaworthy bundles or nested sizes
Lead Time: 5-45 days based on quantity
Square Hollow Section Rectangular Hollow Section Thickness (mm)
20*20 to 30*3020*40, 30*401.2-3.0
40*40 to 50*5030*50 to 40*601.2-4.75
60*6050*70, 40*801.2-5.75
70*70 to 100*10060*80 to 120*801.5-5.75
120*120 to 150*150160*80 to 200*1002.5-10.0
160*160 to 200*200200*150, 250*1503.5-12.0
250*250 to 350*350250*200 to 500*2004.5-15.75
400*400400*350 to 400*6005.0-20.0
Steel Pipe Stock
Frequently Asked Questions
1. Can I get some samples?
Yes. We can provide samples. Sample fees and shipping costs are paid in advance and will be refunded after you place an official order.
2. Can you produce according to specific samples?
Yes, we can produce based on your samples or technical drawings, including building custom molds and fixtures.
3. What are your terms of payment?
For payments under 1000 USD, 100% in advance. For 1000 USD and above, 30% T/T in advance, with the balance due before shipment.
4. What are your terms of delivery?
We support EXW, FOB, CFR, CIF, and DDU delivery terms.
5. How long is the typical delivery time?
Generally, it takes 10 to 25 days after receiving your advance payment. The exact time depends on the specific items and order quantity.
6. Do you provide after-sale support?
Yes, we provide a warranty for our products. If defective parts are found, we will provide new parts for free in your next order.

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