Square & Rectangular Steel Pipe

Product Description

Our Square and Rectangular Steel Pipes are manufactured using advanced cold-formed or hot-rolled processes. Available in both welded and seamless variants, these versatile structural profiles offer excellent strength-to-weight ratios and are widely used in construction, infrastructure, and mechanical applications. The uniform wall thickness and precise dimensional accuracy make them ideal for structural support, fencing, furniture, and decorative applications.

Both Welded and Seamless Options Available
Wide Range of Sizes and Thicknesses
Excellent Structural Strength
Versatile Applications

Technical Specifications

Complete specifications of our Square & Rectangular Steel Pipes

Size (Square) 10mm × 10mm ~ 1200mm × 1200mm
Size (Rectangular) 10mm × 20mm ~ 1000mm × 1200mm
Wall Thickness 0.4mm ~ 60mm
Length 4m ~ 12m (or customized)
Technology Welded (ERW/SAW) or Seamless
Type Square & Rectangular Steel Pipes
Materials Carbon Steel, Low Alloy Steel
Surface Treatment Brush oil, brush paint, galvanized, anti-corrosion treatment (3PE, FBE, Epoxy, Epoxy Zinc-Rich, etc.)

Material Standards

Full range of international standards and specifications

ASTM Standards

  • ASTM A36
  • ASTM A53
  • ASTM A106
  • ASTM A135
  • ASTM A178
  • ASTM A179
  • ASTM A192
  • ASTM A210
  • ASTM A214
  • ASTM A226
  • ASTM A283
  • ASTM A315
  • ASTM A333
  • ASTM A500
  • ASTM A572

API Standards

  • API 5L Grade A
  • API 5L Grade B
  • API 5L X42, X46, X52
  • API 5L X56, X60, X65
  • API 5L X70, X80, X100

European Standards (EN)

  • EN 10210
  • EN 10216-1 P235
  • S355JR
  • E355

JIS Standards

  • JIS G3466
  • STPG38, STPG42
  • STS38, STS42, STS49
  • STB30, STB33, STB35, STB42
  • STPT42, STPT49, STPY41

Chinese Standards (GB)

  • GB/T 6728
  • GB/T 6725
  • GB/T 3094
  • According to technical protocol

DIN Standards

  • St33, St35, St37
  • St42, St45, St52

Applications

Our Square & Rectangular Steel Pipes serve diverse industrial and construction sectors

🏗️

Construction

Structural support, columns, beams, and framework for residential, commercial, and industrial buildings.

🚪

Furniture Manufacturing

Modern furniture frames, office partitions, display units, and indoor/outdoor fixtures with clean lines.

🚧

Fencing & Guardrails

Security fencing, handrails, guardrails, and boundary markers for infrastructure projects.

🏭

Mechanical Engineering

Machine frames, equipment supports, conveyor systems, and mechanical components.

🚗

Automotive Industry

Vehicle chassis components, trailer frames, and transportation equipment structures.

🌾

Agriculture

Greenhouse structures, storage facilities, and agricultural machinery frames.

Why Choose Our Square & Rectangular Steel Pipes

Key advantages that set our products apart

01

Wide Size Range

Manufacturing capability from 10mm to 1200mm, covering all standard and custom requirements.

02

Flexible Options

Available in both welded and seamless variants to meet different strength and cost requirements.

03

Precise Dimensions

Advanced manufacturing ensures consistent dimensions, straightness, and uniform wall thickness.

04

Multiple Standards

Compliance with ASTM, API, EN, JIS, GB and other international standards for global compatibility.

05

Surface Finishes

Various surface treatments available including galvanized, painted, and anti-corrosion coatings.

06

Versatile Applications

Suitable for structural, mechanical, fluid transportation, and decorative applications.

Ready to Get Your Customized Quote?

Contact our expert team for technical specifications, pricing and delivery timelines tailored to your requirements.