Hot Rolled Steel Flat Bars

Tianjin Juming specializes in the manufacturing and supply of Quality Hot Rolled Steel Flat Bars, offering a wide range of specifications from 3mm to 50mm in thickness and 10mm to 300mm in width. Non-standard sizes and customized processing are available to meet diverse engineering requirements.

All flat bar products are manufactured in accordance with GB/T 706-2016 standards. Chemical composition and mechanical properties are strictly tested in our laboratory. Typical performance (Q235B grade) includes:

Yield strength ≥ 235 MPa

Tensile strength ≥ 370 MPa

Elongation ≥ 22%

These properties ensure reliable structural performance and long-term safety in load-bearing applications.

About Us

Tianjin Juming Steel Pipe Co., Ltd. is a professional steel products manufacturer based in North China, equipped with modern production lines and an experienced technical team. We focus on delivering cost-effective and reliable metal material solutions for construction, machinery, infrastructure, and industrial projects.

Guided by the principle of “Quality as the foundation, Service as the priority”, Juming has established long-term cooperation with over 2,000 enterprises across China. Every production process reflects our commitment to precision, and every carbon steel flat bar represents the combination of craftsmanship and industrial technology. We believe that long-term trust is built on consistent quality and a deep understanding of customer needs.

What are the advantages of our products?

1. Superior Materials, Stable Performance

Premium Raw Materials: Advanced Hot Rolled Steel Flat Bars are made from high-quality low-carbon steel or alloy steel, ensuring high strength, high toughness, and stable performance.

Advanced Processing Technology: Utilizing hot rolling and cold rolling processes, dimensional tolerances can reach ±0.1mm, with a smooth surface and burr-free edges, suitable for precision machining.

2. Complete Specifications, Customization Supported

Standard Sizes:

Thickness: 3mm–50mm

Width: 10mm–300mm

Length: Can be cut to order, up to 6 meters.

Customization Options: Optional material grades, such as Q235B, Q355B, 45# steel, and surface treatments such as galvanizing, painting, and polishing.

3. Strict Quality Control and Certification

Full-Process Inspection: From raw material inspection to finished product delivery, each batch of products undergoes tensile testing, hardness testing, and metallographic analysis.

Standard Compliance: Complies with GB/T 700-2006, ASTM A36, and other relevant domestic and international standards.

Certification System: ISO 9001 Quality Management System Certification, full product traceability.

4. Fast Delivery and Reliable Service

Strong Production Capacity: Annual output up to 50,000 tons, with commonly used specifications in stock.

Fast Shipping: Standard products are shipped within 24 hours of order confirmation.

After-Sales Support: Provides technical consultation, nationwide logistics distribution, and rapid response to quality issues.

Typical Applications

1. Building Construction: Steel structure supports, curtain wall frames, embedded parts

2. Machinery Manufacturing: Machine tool guideways, mold parts, transmission components

3. Transportation: Bridge railings, automobile chassis parts, ship steel structures

4. Power Energy: Substation supports, transmission tower components, cable trays

5.Other Uses: Solar panel installation systems, warehouse shelving, fitness equipment

Technical Parameters

Why Choose Tianjin Juming as Your Carbon Steel Flat Bar Supplier?

As a direct manufacturer of High-Performance Hot Rolled Steel Flat Bars in China, Tianjin Juming offers consistent quality, highly competitive prices, flexible customization options, and reliable delivery services. Whether for large-scale construction projects or precision industrial manufacturing, our carbon steel flat bars are meticulously designed to meet the specific needs of each application.