Steel Round Bar & Solid Round Bar,35CrMo、20CrMnTi、15CrMo、S355JR、10#、20#、45#
Round Steel Product Details
Product Overview
Our factory has deep expertise in the metallurgical production field, focusing on producing high-quality round steel. We strictly select high-quality raw materials from reputable steel mills, and utilize modern production equipment and a comprehensive quality inspection system. Our round steel products boast excellent mechanical properties, meet dimensional accuracy standards, and offer stable processing performance. They cover various processing methods including hot rolling, cold drawing, and forging, and are suitable for use in construction, machinery, automotive parts, and many other fields. We support customized processing based on provided drawings and samples, providing customers with cost-effective materials and one-stop supporting services.
Product Materials
Carbon Structural Steel: Q235, Q355B, S235JR, S355JR, 10#, 20#, 45#
Alloy Structural Steel: 40Cr, 42CrMo, 35CrMo, 20CrMnTi, 15CrMo
Special Steels: Tool Steel, Spring Steel, High-Temperature Resistant Steel
All materials comply with domestic and international standards such as GB, ASTM, JIS, and DIN, and all material certification documents are complete, ensuring stable and reliable product quality.
Production Processes
Hot-rolled round steel: Formed by high-temperature heating and rolling, exhibiting outstanding plasticity and toughness, a wide range of specifications, dense internal structure, and strong impact resistance. It is widely used in heavy-duty applications such as building steel structures and large mechanical components.
Cold-drawn round steel: Formed using a cold-drawing process, resulting in a smooth, flawless surface, extremely small dimensional tolerances, and excellent precision. It eliminates the need for secondary processing, produces products with excellent straightness and uniform hardness, and is suitable for manufacturing precision parts and standard hardware components.
Forged round steel: Formed through a forging process, effectively eliminating internal defects such as porosity and air bubbles in the steel. It boasts superior tensile strength and fatigue resistance, and is commonly used in core components such as high-load transmission parts and mold blanks.
Specifications
Diameter Range: 8mm - 600mm
Length Specifications: Standard sizes 6m, 9m, 12m; custom sizes available.
Tolerance Standards: H9 and H10 precision standards available, meeting high-precision machining requirements.
Surface Treatments: Various finishes including black leather, bright finish, galvanizing, and polishing.
Straightness: ≤1mm/m, meeting high-standard production and processing requirements.
Mechanical Properties: The product has a reasonable hardness ratio, excellent machinability, good weldability and ductility, and can smoothly complete multiple machining processes such as turning, milling, drilling, and heat treatment. The yield strength and tensile strength are stable, and it is not easily deformed during processing, making it suitable for various complex machining processes.
Application Areas
Construction Industry: Used for engineering reinforcement, steel structure components, and foundation anchoring parts
Machinery Manufacturing: General mechanical parts, drive shafts, connecting rods, and other core components
Automotive Industry: Chassis parts, engine components, and various fasteners
Mold Industry: Mold base and mold core blank processing
Hardware Tools: Standard parts, bearings, and hand tool manufacturing
Petrochemical Industry: Suitable for the production of high-temperature and high-pressure resistant parts
Product Advantages
Strict inspection of raw materials upon arrival; quality tracking throughout the entire production process; each batch of products comes with a professional testing report.
Automated production lines ensure consistent product precision and stable performance.
Customization of non-standard sizes and special materials is supported to meet diverse customer needs.
Professional export packaging is used, providing moisture and pressure resistance, suitable for long-distance sea and land transportation.
Stable delivery cycle; standard order delivery date is 5-7 days. With a robust and efficient logistics system, we ensure timely response to after-sales issues.
Packaging and Transportation:
Standard Packaging: Tightly secured with steel straps, wrapped in moisture-proof protective paper.
Export Packaging: Equipped with wooden pallets, iron supports, and fumigated wooden crates, meeting cross-border transportation standards.
Product Labeling: Clearly labeled with specifications, materials, batch numbers, and other key information.
Excellent packaging protection effectively prevents damage and rust during transportation, ensuring products are delivered intact.
After-Sales Service: A professional technical team provides full technical guidance, with a rapid response to customer inquiries within 24 hours. Products confirmed to have quality issues are eligible for return or exchange, comprehensively protecting customer rights.
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