Hollow Section Square Rectangular Alloy Steel Pipe and Tubes / Welded Pipe

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Product Description

Basic Product Information

Surface Treatment
Black
Usage
Pipeline Transport, Machinery Industry, Construction & Decoration
Section Shape
Square
Transport Package
Wooden Box
Specification
30*30-500*500
Origin
China
HS Code
7304319000
Production Capacity
500,000 kgs

Product Specifications

Hollow Section Square Rectangular Alloy Steel Pipe And Tubes / Welded Pipe

Item Size (OD) Thickness Length
Round Pipe 10mm - 1000mm 4mm - 30mm Customized Length
Square Pipe 10mm*10mm - 1000mm*1000mm 1.2mm - 30.0mm
Rectangle Pipe 20mm*40mm - 400mm*700mm 1.2mm - 30.0mm
L/T/Z window section 28mm / 38mm 0.5mm - 1.5mm
MaterialA106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140, etc.
SurfaceBlack, Galvanized, or Painted
PackingExport standard packing (bundles, seaworthy package)
Delivery PortShanghai, China
MOQ10 Tons per size
Main MarketsEurope, America, Africa, Southeast Asia

Product Display

Industry Expertise

This enterprise is a comprehensive steel pipe entity integrating production, processing, and sales. We specialize in a vast range of products including seamless square tubes, thick-wall square tubes, cold-drawn square tubes, and hot-dip galvanized variations. Our production capabilities cover square tube specifications from 20*20 to 800*800, and rectangular tubes from 20*30 to 400*800, with thicknesses ranging from 0.6mm to 28mm.

Main applications include: steel structures, large venues, exhibition centers, lifting machinery, shipbuilding, storage shelves, decoration, transportation facilities, airport construction, railway vehicles, bridge support, and vehicle manufacturing.

Industry Applications

Competitive Pricing

By leveraging strong sales foundations and strategic manufacturer partnerships, we implement low-cost operations to maintain market competition and offer advantageous pricing to our clients.

Quality Assurance

Professional quality control is applied at every step from procurement to sales. We track mill quality consistently to ensure every delivery meets reliable standards.

Comprehensive Service

We provide full-service logistics including automobile transportation, railway, and sea shipping. Our modern trading mode supports remote orders for a convenient customer experience.

Frequently Asked Questions

What materials are used for your hollow sections?
We utilize a wide range of materials including A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, and 4140 to suit various industrial requirements.
What is the maximum size available for square tubes?
Our standard square tube production ranges up to 800*800mm, with thicknesses available up to 28mm.
What surface treatments can be applied?
We offer black finish, hot-dip galvanized, and painted surfaces depending on your application's anti-corrosion needs.
What are the typical applications for these steel pipes?
They are widely used in construction, machinery manufacturing, shipbuilding, airport and bridge support, and specialized equipment like fitness and wind power gear.
Do you support customized specifications?
Yes, we can handle processing for non-standard seamless square tubes and customized lengths or special shapes to meet specific project needs.
What is the minimum order quantity (MOQ)?
Our standard MOQ is 10 tons per size, which allows us to maintain competitive pricing and efficient production scheduling.

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