Carbon Steel Square Tube Steel Pipe
Carbon Steel Square Tube Steel Pipe
Carbon steel square tubing comes in diverse sizes, wall thicknesses, and lengths—ideal for structural frames, supports, and general fabrication. We supply standard and custom black square tubes tailored precisely to your project specs and order volume.
- Mill Test Certificate Provided
- Strict Quality Inspection
- Custom Sizes Available
- On-Time Global Delivery
Carbon steel square tubing is a welded structural pipe manufactured with a uniform square profile. We supply a broad range of outer dimensions, wall thicknesses, and lengths engineered to suit diverse industrial fabrication and construction needs.
The flat four-sided geometry simplifies joint fitting, cutting, welding, drilling, and modular assembly. Our standard inventory features black carbon steel square tubes in 6-meter stock lengths, with custom length options manufactured upon request.
Carbon Steel Square Tube Steel Pipe Specifications
| Item | Available Range |
|---|---|
| Product | Carbon Steel Square Tube / Square Steel Pipe |
| Type | Black / Galvanized / Welded / Hollow Section |
| Material | Q195 / Q235 / Q345 / ASTM A500 Grade A / Grade B / Grade C |
| Standard | ASTM A500 / ASTM A513 / EN 10219 / GB/T 6725 / JIS G3466 |
| Outside Size | 10 × 10 – 500 × 500 mm / Customized |
| Wall Thickness | 0.8 – 25 mm / Customized |
| Length | 3 – 12 m / Customized |
| Surface | Black / Oiled / Galvanized / Painted |
| Production Process | ERW / High-Frequency Welding / Cold Formed |
| End | Plain End / Cut End / Customized |
| Processing | Cutting / Drilling / Welding / Bending / Punching |
| Tolerance | According to Standard / Customized |
| Application | Steel Structures / Construction / Machinery / Fencing / Frames / General Fabrication |
| Packing | Steel Straps / Bundles / Waterproof Packing / Standard Export Seaworthy Packing |
| MOQ | Based on Size, Wall Thickness, Material & Specification |
| Inspection | MTC / Dimension Inspection / Third-Party Inspection Available |
| Customization | Size / Wall Thickness / Length / Material / Surface / Processing Available |
Application
Carbon steel square tubes are widely utilized across steel framing, structural supports, gates, fencing, handrails, heavy machinery bases, storage racking, and agricultural machinery. They easily accommodate secondary processing like precision cutting, welding, and machining.
We deliver square tubing across multiple dimensional profiles, wall thicknesses, and steel grades. Buyers should specify their required dimensions, wall thickness, length, order volume, material grade, and manufacturing standards prior to placing orders.
Mill Test Certificates (MTC) and standard quality inspection documentation are provided upon request. Send us your project specs and volume requirements today to receive stock availability and a competitive price quotation.
FAQ
1. What is a carbon steel square tube used for?
Carbon steel square tubes are commonly used for steel structures, construction, machinery frames, fencing, handrails, storage racks and general metal fabrication.
2. What sizes of carbon steel square tube are available?
We supply carbon steel square tubes in different outside sizes and wall thicknesses. Common sizes are available, and customized dimensions can also be discussed.
3. What is the standard length of a square steel pipe?
The common standard length is 6 meters. Other lengths can be supplied according to the customer’s requirements and order quantity.
4. What carbon steel grades are available for square tubes?
Common grades include Q195, Q235, Q345 and ASTM A500 Grade A, B and C. Other grades can be supplied according to the required standard.
5. Can carbon steel square tubes be customized?
Yes. We can discuss customized size, wall thickness, length, material grade, surface and processing requirements based on your project needs.
