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Help CenterLow Carbon Steel Bar 1018 Cold Drawn 6mm-50mm With Straightness 0.1mm/m
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As a professional manufacturer from Hemaokang Steel (Shandong) Co., Ltd., we are proud to offer our Low Carbon Steel Bar 1018 Cold Drawn 6mm-50mm with Straightness 0.1mm/m. This product is engineered to meet the demanding requirements of precision machining and structural applications. Our 1018 cold drawn steel bars provide superior surface finish, tight dimensional tolerances, and excellent straightness, making them ideal for high-speed automatic lathes and CNC machining centers.
With an annual export value exceeding US$50 million and a dedicated team of 51-100 employees, we ensure consistent quality and reliable supply. Our production facility is located in Liaocheng, Shandong, and we ship globally via Qingdao port. The product is manufactured under strict ISO9001 quality management system, guaranteeing traceability and performance.
Key Features & Technical Specifications
- Material Grade: AISI 1018 low carbon steel (0.15-0.20% C) – excellent weldability, machinability, and moderate strength.
- Cold Drawn Process: Ensures improved dimensional accuracy, smoother surface, and enhanced mechanical properties compared to hot rolled bars.
- Diameter Range: 6mm to 50mm – available in fractional and metric sizes per customer request.
- Straightness: ≤0.1mm per meter, meeting the most stringent linearity requirements for precision shafts and guide rails.
- Surface Finish: Bright, clean, and free of scale – ready for immediate use or further processing.
- Length Options: Standard 3m, 6m, or custom cut lengths (minimum 1m, maximum 12m).
- Tolerance: Conforms to international standards (e.g., ISO 2768, DIN 668). Custom tolerances available upon request.
Dimensional & Mechanical Properties (Typical)
| Parameter | Value | Remarks |
|---|---|---|
| Diameter Tolerance (6-20mm) | ±0.05mm | Higher precision on request |
| Diameter Tolerance (20-50mm) | ±0.08mm | Available upon request |
| Straightness | ≤0.1mm/m | Guaranteed per meter |
| Tensile Strength (typical) | 440-540 MPa | After cold drawing |
| Yield Strength (typical) | 370-470 MPa | Depends on diameter |
| Hardness (HB) | 126-170 | As drawn condition |
| Surface Roughness (Ra) | ≤1.6 μm | Standard finish |
Advantages for Your Applications
- Excellent Machinability: 1018 steel is known for its good chip formation and low tool wear, reducing machining costs and cycle times.
- Consistent Straightness: Eliminates the need for expensive straightening operations, especially in long shafts and guide rods.
- Uniform Dimensions: Tight tolerances ensure reliable fit in assemblies, reducing scrap and rework.
- Versatile: Suitable for hydraulic components, pins, bolts, spindles, and general structural parts.
- Customizable: We can supply with chamfered ends, specific lengths, or special packaging per your requirements.
Trust & Reliability
Hemaokang Steel is a newly established company (2025) but backed by a team with decades of experience in the steel industry. Our products are exported to over 14 global markets including North America, Europe, Southeast Asia, and Africa. We maintain an annual export value of US$50-100 million, demonstrating our capacity to handle large-volume orders with consistent quality.
We are ISO9001 certified, and our production process is subject to rigorous inspection from raw material incoming to final packaging. Each batch is tested for chemical composition, mechanical properties, and dimensional accuracy. Our quality control reports are available upon request, ensuring full transparency.
We offer flexible shipping terms via Qingdao port, with lead times typically 15-25 days depending on quantity. We welcome trial orders, OEM/ODM inquiries, and long-term cooperation. Please contact us for a quotation or technical discussion.
Frequently Asked Questions (FAQ)
Q1: What is the minimum order quantity (MOQ) for this product?
A: Our standard MOQ is 1 ton per size. However, smaller trial quantities (e.g., 200kg) can be arranged for sample orders. Please contact our sales team to discuss your specific needs.
Q2: Can you provide material test certificates or mill test reports?
A: Yes, we provide a Mill Test Certificate (MTC) for each batch, including chemical composition and mechanical properties per ISO and ASTM standards. Third-party inspection is also acceptable at buyer's cost.
Q3: What surface treatments are available? Can you supply black oxide or galvanized?
A: We offer as-drawn bright finish as standard. Additional surface treatments such as black oxide, phosphating, or zinc plating are available as value-added services. Please inquire for details and pricing.
Q4: How do you ensure the straightness of 0.1mm/m is maintained during shipping?
A: Bars are securely bundled and packed with spacers to prevent bending during transit. For lengths over 6 meters, we use steel frames or wooden crates. We also recommend using dedicated flatbed containers for extra-long bars.
Q5: Do you offer cut-to-length services? What is the tolerance on cut length?
A: Yes, we can cut to any length between 1m and 12m with a tolerance of ±2mm. For tighter tolerances, please specify at the time of order.
Q6: Is this product suitable for use in hydraulic cylinders or piston rods?
A: Yes, 1018 cold drawn steel bar is commonly used for non-critical hydraulic components. For applications requiring higher wear resistance, we recommend our 1045 or 4140 grades. Our technical team can help you select the right material.
Q7: What is the standard packaging for export?
A: Standard packaging is in bundles strapped with steel bands, wrapped in waterproof paper, and protected with plastic or woven bag. For container shipment, we also use fumigation-free wooden pallets or crates as required. Custom packaging is available upon request.
Q8: How long does shipping take from Qingdao to North America, for example?
A: Sea freight to US West Coast ports typically takes 18-25 days, and to East Coast ports 25-35 days. We can arrange faster shipping via air or express for small samples. Our logistics team will provide the most cost-effective solution.
Contact us today to discuss your requirements or request a sample. We are committed to delivering high-quality low carbon steel bars that meet your exact specifications.
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