Carbon Steel Square Bar: High-strength, square-profile bar with exceptional machinability and structural stability. Perfect for machinery, construction, and tooling. Available in ASTM A36/AISI 1045 grades, hot-rolled or cold-drawn finishes. Custom sizes and coatings.
The Carbon Steel Square Bar is a premium-grade steel product crafted to meet the rigorous demands of industrial, construction, and manufacturing sectors. Known for its superior tensile strength, precise dimensions, and outstanding machinability, this square bar is the perfect solution for engineers, fabricators, and metalworking professionals who require dependable and versatile material for their projects.
High Strength & Durability
The carbon content enhances the tensile strength, making it ideal for structural and load-bearing applications.
Excellent Machinability
Easily cut, drilled, welded, and fabricated without compromising integrity.
Versatile Applications
Perfect for construction frames, support structures, tools, machinery parts, and more.
Wide Range of Sizes
Available in a variety of dimensions to suit project-specific needs.
Cost-Effective Solution
Delivers excellent performance at a competitive price point.
Construction of frames, beams, and supports
Tool and die manufacturing
Agricultural equipment fabrication
Automotive parts and frames
General metal fabrication projects
Machinery components
DIY home improvement projects
| Specification | Detail |
|---|---|
Material | Carbon Steel |
Thickness / Width | 5 mm to 150 mm (standard) |
Length | 3 m, 6 m (standard), or custom-cut |
Manufacturing Process | Hot Rolled / Cold Drawn |
Tolerances | ASTM A29, ASTM A36 |
Surface Finish | Mill Finish / Polished |
Standard | ASTM, AISI, SAE |
Grade Available | A36, 1018, 1045, 1095, Custom grades |
ASTM A36
Excellent weldability and machinability
Ideal for structural applications
1018 Cold Drawn
High surface finish and dimensional accuracy
Superior machinability for precision parts
1045 Medium Carbon Steel
Higher strength and hardness
Suitable for heavy-duty applications
1095 High Carbon Steel
Maximum hardness and strength
Used in blades, springs, and cutting tools
ASTM A36 / ASTM A29
ISO 9001 Certified Manufacturing
Fully traceable mill test reports (MTRs) available on request
Compliance with RoHS and REACH directives
Store in dry, covered areas to prevent corrosion
Handle with appropriate lifting equipment to avoid surface damage
Inspect periodically for signs of rust or surface oxidation
Manufactured to precise international standards
Consistent quality assurance and batch traceability
Custom sizes, lengths, and grades available
Reliable global shipping and logistics support
Competitive pricing and bulk order discounts
Expert customer support and technical consultation
It is used across industries for structural frames, machinery parts, tool making, automotive manufacturing, and custom fabrications.
Yes, especially lower carbon grades like A36 and 1018. Higher carbon grades may require pre-heating.
Yes, we offer custom cutting services to meet your exact specifications.
Yes, full mill test reports and certifications are provided upon request.
We stock A36, 1018, 1045, and 1095 grades, with additional grades available on request.
Absolutely. Contact us for volume pricing and special contract arrangements.
These Product are packed using seaworthy export packaging to ensure protection during transit. Each coil is wrapped with waterproof paper, plastic film, and steel sheet, secured with high-tensile steel straps, and placed on wooden pallets for stability. Edge protectors are used to prevent damage. These Product are safely loaded for efficient domestic and international delivery, ensuring they arrive in perfect condition.
Generally, our delivery time is within 7-45 days, if there is a great demand or special circumstances, it may be delayed.
Each piece of products is manufactured by certified workshops, inspected by Linxu piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.
Yes absolutely we accept.
The sample could can provide for customer with free, but the courier freight will be covered by customer account.
Yes, we promise to provide best quality products and delivery on time. Honesty is our company’s tenet.
We are professional manufacturer with rich experience, and our company also is a very professional a trade company for steel products. We can also provide a wide range of steel products.
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