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Help CenterC45 Carbon Steel Round Rod 50mm Diameter Cold Drawn Surface Finish
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At Hemaokang Steel (Shandong) Co., Ltd., we are proud to offer our premium C45 Carbon Steel Round Rod with a 50mm diameter and cold drawn surface finish. As a newly established company with a strong export background (annual export value between US$50 Million and US$100 Million), we combine modern production techniques with rigorous quality control to deliver consistent, high-performance steel products. Our C45 round rods are engineered to meet the demands of various industries, providing excellent machinability, wear resistance, and dimensional accuracy. Whether you need components for automotive, machinery, or general engineering, our cold drawn bars offer a superior surface finish and tight tolerances that reduce secondary processing time.
Key Features & Technical Specifications
- Material Grade: C45 (DIN 1.0503 / AISI 1045) – a medium carbon steel known for its balanced strength and ductility.
- Diameter: 50mm ±0.05mm (ISO h9 tolerance) – achieved through precise cold drawing process.
- Surface Finish: Cold drawn – smooth, bright surface with minimal scale, suitable for direct use or further machining.
- Length Options: Standard lengths of 6m, 9m, 12m, or custom lengths available upon request.
- Hardness: As drawn hardness typically 170–210 HB, can be heat treated (quenching & tempering) to improve mechanical properties.
- Chemical Composition (typical %): C: 0.42–0.50, Si: 0.17–0.37, Mn: 0.50–0.80, P: ≤0.035, S: ≤0.035.
- Mechanical Properties: Tensile strength 600–800 MPa, yield strength ≥355 MPa, elongation ≥16% (after heat treatment).
| Parameter | Value |
|---|---|
| Diameter Tolerance | +0 / -0.05mm (ISO h9) |
| Surface Roughness (Ra) | ≤1.6 μm (cold drawn) |
| Straightness | ≤1mm/m |
| Length Tolerance | +50 / 0mm |
| Heat Treatment Option | Quenching & Tempering (upon request) |
Advantages & Customer Benefits
- Cost-effective machining: The cold drawn process provides a near-net shape, reducing material waste and machining time.
- Consistent quality: Our ISO9001 certified production ensures each rod meets strict dimensional and material standards.
- Versatile applications: Ideal for manufacturing shafts, bolts, pins, gears, hydraulic components, and structural parts.
- Global logistics: With exporting experience to over 15 regions (North America, South America, Europe, Asia, etc.), we ensure timely delivery and reliable packaging.
- Customization: We offer custom lengths, special tolerances, and heat treatment services to match your specific requirements.
Why Choose Hemaokang Steel?
Hemaokang Steel (Shandong) Co., Ltd. is a dedicated supplier with a strong export track record (US$50M–US$100M annual export value) and a team of 51–100 skilled employees. Our factory in Liaocheng, Shandong, is equipped with advanced cold drawing lines and testing facilities. We hold ISO9001 certification, ensuring every process from raw material selection to final inspection is controlled. Our main markets span across the globe, including North America, Europe, Southeast Asia, Africa, and Oceania. We are committed to providing high-quality C45 round rods that meet international standards. Contact us today to discuss your bulk order or request a sample for evaluation.
Frequently Asked Questions (FAQ)
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Q: What is the difference between hot rolled and cold drawn C45 round rod?
A: Cold drawn rod has tighter dimensional tolerances, a smoother surface finish, and higher strength due to work hardening. It is preferred for precision applications where minimal machining is required. -
Q: Can you supply rods with a length of 6 meters or other custom lengths?
A: Yes, we offer standard lengths of 6m, 9m, and 12m, and can cut to custom lengths as per your request. Please specify when placing an order. -
Q: Is this C45 rod suitable for hardening and tempering?
A: Absolutely. C45 is a medium carbon steel that responds well to heat treatment. We can supply the rods in the as-drawn condition or provide quenched and tempered versions upon request. -
Q: What is the typical delivery time for bulk orders?
A: For standard specifications, delivery is usually within 15–25 working days after order confirmation, depending on quantity. We can expedite for urgent orders. -
Q: Do you provide certificates of material and testing?
A: Yes, we provide a Mill Test Certificate (MTC) with each shipment, including chemical composition and mechanical properties. Additional testing like ultrasonic inspection can be arranged. -
Q: What packaging options are available?
A: Rods are bundled tightly with steel straps and protected with waterproof wrapping or wooden crates for export. We can customize packaging as per your market requirements. -
Q: Can you supply small quantities for trial?
A: Yes, we accept small trial orders to evaluate quality. Please contact our sales team for pricing and lead time. -
Q: Is your product RoHS compliant?
A: Our C45 steel does not contain restricted hazardous substances; however, if you require specific certification, we can provide RoHS documentation upon request.
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