Company website
Office website:https://khsteel.net/
Alibaba website:https://lckehuan.en.alibaba.com/
Product parameters
Commodity | carbon steel square tubes |
Material | Carbon Steel / Galvanized / Stainless |
Standard | ASTM A554, A249, A269 and A270 |
Certification | SGS, BV, etc |
Outer Diameter | 10mm-600mm, or as your requirements |
Thickness | 0.3mm-100mm, or as per requirements |
Length | 6m or as customers’ request |
Surface | 180G, 240G, 320G Satin / Hairline 400G, 600G Mirror finish |
Delivery time | 7-15 days after confirming the order |
Tolerance | a)Diameter: +/- 0.2mm b)Thickness: +/- 0.02mm c)Length: +/- 5mm |
Trade term | FOB, CIF, CFR |
Payment term | T/T or L/C |
Application | handrail, railing, staircase, weld mesh screen, door, window, balcony, fence, bench, furniture, etc. |
Advantage | Attracting Price; High surface quality,clean; Good appearance of whole coil; First-rate service. |
MQQ | 5 tons |
carbon steel square tubes
Rectangular & Square Carbon Steel Tube | |
Product Name | carbon steel square tubes |
Standards | EN/DIN/JIS/ASTM/BS/ASME/AISI etc. |
Outer Diameter | Seamless: 1/4″-36″ Welding: 21.3mm-3620mm |
Round Tube: 1/2″-10″ Square Tube/Rectangular Tube: 15x15mm-400x600mm | |
Wall Thickness | Seamless: 1.25mm-50mm Welding: 1.65mm-65mm |
Length | 3-12 meters, Support customization |
Surface Process | Bright, Polished, Black |
Other Services | Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
Advantages | 1. Reasonable price with excellent quality 2. Abundant stock and prompt delivery 3. Rich supply and export experience, sincere service |

Product Show rectangular Carbon steel pipe

Product Description rectangular Carbon steel pipe

Our Service
At Kehuan, we implement change management strategies specifically tailored to the steel industry, seamlessly integrated into our operations. Our approach not only enhances immediate client benefits but also lays the groundwork for enduring advantages within your existing steel product portfolio.

Customized Product
Tailored solutions for product development to meet specific client needs.

Technical Consulting
Expert guidance on product selection, design optimization, and implementation.

Quality Assurance
Rigorous testing procedures to ensure reliability and performance.

Maintenance Guide
Comprehensive maintenance guides to ensure optimal product performance.

Certified Inspections
Certified evaluations to ensure compliance with industry standards.

24/7 Customer Support
Prompt assistance for inquiries, concerns, and technical issues.
Company Profile
At Kehuan, we excel in providing customized change management strategies specifically crafted for the steel industry. Our seamless integration approach ensures optimization of immediate client benefits while establishing long-lasting advantages within your existing steel portfolio.

Material Selection
Careful selection of high-quality raw materials.

Precision Cutting
Utilization of advanced cutting technologies for precise dimensions.

Forming and Shaping
Shaping raw materials into seamless steel pipes.

Heat Treatment
Application of heat treatment processes for enhanced durability.

Surface Finishing
Finishing processes for improved aesthetics and corrosion resistance.

Quality Assurance
Rigorous inspections to ensure reliability and adherence to standards.
Why Us
Selecting a steel service provider is a crucial decision, impacting the safety and performance of your projects. At Kehuan, we offer unmatched expertise in the steel industry. With years of experience, we possess in-depth knowledge of steel products, ensuring that your projects receive the highest level of care.

Industry Expertise
Reliable solutions backed by extensive industry experience.

Customized Solutions
Tailored options to meet your specific project requirements.

High-Quality Products
Guaranteed superior performance and durability in every product.

Advanced Technology
Precision and efficiency achieved through cutting-edge methods.

Exceptional Service
Prompt assistance and reliable support for all your needs.

Timely Delivery
On-time delivery, ensuring your projects stay on schedule.