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Help CenterSteel Round Bar，GB/T700,GB/T3077，ASTMA36,A105,SAE 1045, SAE 4140，EN,DIN
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Round Steel Bar Product Description
1. Product Introduction
Round steel bar is a kind of long steel product with solid circular cross-section, belonging to economical carbon structural steel with superior processing performance and wide application. It is mainly divided into three categories: hot rolled round steel bar, cold drawn round steel bar and bright round steel bar.
Produced in strict accordance with national and international general standards, our round steel bar features high dimensional accuracy and stable mechanical properties. It can meet various deep processing requirements including cutting, turning, bending and welding, serving as the core raw material for construction engineering, machinery manufacturing, hardware processing and mechanical parts production.
2. Product Materials
We mainly supply high-quality carbon structural steel and low-alloy structural steel with common grades as follows:
Q235B, Q355B, 20#, 45#, S235JR, S355JR, A36, 40Cr, 42CrMo, etc. Customization for special material grades is available per customer requirements. All materials comply with GB, ASTM, EN and other international industry standards, and original mill test certificates can be provided.
3. Specification Parameters
- Diameter Range: 8mm-300mm
- Standard Length: 6m, 9m, 12m per piece, customized fixed length cutting is acceptable
- Production Process: hot rolled black surface, cold drawn bright surface, peeling and polishing
- Dimensional Tolerance: in line with national standard tolerance requirements with high precision
- Surface Condition: hot rolled black surface, cold drawn bright surface, free of cracks, interlayers, burrs, rust and other defects
4. Product Features
1. Uniform material structure, excellent mechanical properties, qualified tensile strength and yield strength, with good toughness and wear resistance;
2. Regular cross-section, high roundness accuracy and good straightness, facilitating subsequent mechanical processing and forming operations;
3. Outstanding processing performance in welding, cutting, drilling and other procedures, adapting to various mechanical parts processing demands;
4. Complete specifications in stock with sufficient inventory, capable of quickly responding to customer orders and customized requirements;
5. Available for surface treatments such as anti-rust treatment and galvanizing to enhance corrosion resistance and prolong service life.
5. Application Scope
It is widely used in various industries such as building steel structure, bridge engineering, mechanical parts manufacturing, hardware tool processing, fastener production, auto parts, mold manufacturing, mining equipment and power engineering accessories, suitable for all kinds of industrial production and engineering construction scenarios.
6. Supply & After-sales Service
We have a large quantity of round steel bars in stock all year round, and support personalized services such as non-standard specification customization, fixed-length cutting and deep processing. Products are packed in standard bundles, suitable for domestic transportation and international sea export.
Delivery cycle: 5-7 days. We can provide a complete set of foreign trade documents including export declaration, commodity inspection, certificate of origin, etc. The product quality is traceable in the whole process, and we have timely after-sales response to fully guarantee customers' procurement and usage needs.
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