Carbon Steel Square Pipe

Product Details

A carbon steel square pipe is a hollow, square-shaped tube made primarily from carbon steel. This type of steel is an alloy composed mainly of iron and carbon, with trace amounts of other elements such as manganese, silicon, and copper. The square shape of the pipe provides added structural integrity, making it ideal for applications where strength and stability are paramount.

Carbon Steel Square Tubes: Core Structural Solutions for Global Construction & Industry
As essential load-bearing and structural materials, our carbon steel square tubes deliver exceptional mechanical properties, precise dimensional control, and versatile adaptability – trusted by clients worldwide. Explore our core advantages and partnership value below.

1. Material & Core Properties: Structural Integrity from Source

Manufactured from premium low/medium carbon steel (C: 0.12%-0.25%) via continuous casting-rolling technology, our tubes feature:
✔️ High Load Capacity: Tensile strength 375-500MPa, yield strength ≥235MPa – ideal for heavy structural applications
✔️ Superior Toughness: ≥27J impact energy at -20°C, eliminating brittle fracture risks in cold environments
✔️ Uniform Composition: Secondary refining reduces impurities (S/P≤0.035%), minimizing defects and enhancing structural safety

2. Full-Spec Coverage + Customization: Precision Solutions for Every Project

From standard to specialized requirements, we offer tailored solutions:

Standard Dimensions:

Size: 10×10mm to 500×500mm

Wall Thickness: 1.5-20mm

Length: 6m/12m (customizable up to 18m)

Custom Services:

Non-standard dimensions & variable wall thickness

Precision cutting (tolerance ≤±0.5mm)

Surface treatments (derusting, painting, galvanizing)

Request detailed specifications for your project needs

3. Performance Excellence: Optimized for Manufacturing & Application

A. Precision Engineering
Cold drawing/hot rolling processes with automated straightening ensure:
✔️ Dimensional accuracy: Size tolerance ≤±0.3mm, perpendicularity ≤1°
✔️ Flawless surfaces: Crack-/scale-/fold-free with Ra≤12.5μm roughness

B. Versatile Functionality
✔️ Welding Performance: Low-carbon design supports arc/SAW welding with ≥90% joint strength retention
✔️ Machinability: Easy cutting, drilling, and bending for complex structures
✔️ Cost Efficiency: 30-50% savings vs. stainless steel in non-corrosive environments

4. Global Applications: Serving 50+ Countries Across Industries

Key implementations include:
🏗️ Construction: High-rise columns, frame supports, curtain wall mullions
⚙️ Machinery: Equipment frames, conveyor systems, machine tool guides
🛣️ Infrastructure: Streetlight poles, guardrails, utility tunnel brackets
⚡ Energy: Oil platform structures, power plant auxiliary piping
🌾 Agriculture: Greenhouse frameworks, agricultural machinery

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Packaging & Delivery

 

Stable delivery

We will arrange production and shipment according to the customer's schedule and order urgency, and deliver on time. The fast shipping system allows customers to receive products quickly.

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