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Help CenterCarbon Steel Rod for Machining Automatic Lathe Parts S45C Precision Ground Steel Bar
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Hemaokang Steel (Shandong) Co., Ltd. presents our S45C carbon steel precision ground rod, engineered specifically for automatic lathe machining. As a manufacturer located in Liaocheng, Shandong, China, we have built our operations around consistent quality, competitive pricing, and timely delivery. Our S45C precision ground steel bar is manufactured to meet the demands of high-speed turning, drilling, and milling operations, providing a dependable base material for components such as shafts, pins, sleeves, and connectors.
S45C is a JIS-standard medium carbon steel with an excellent balance of strength, hardness, and machinability. When precision ground, the rod offers a smooth surface, tight dimensional consistency, and improved straightness, which are critical for automatic lathe operations. The material is widely used in mechanical engineering, automotive parts, industrial equipment, and general precision manufacturing. With our experienced team and modern processing capabilities, we supply S45C ground bars in a range of sizes to fit your production requirements.
Key Features
- Material Grade: S45C (JIS) / AISI 1045 equivalent, offering predictable machining characteristics.
- Precision Ground Surface: Ground finish reduces friction, minimizes tool wear, and enhances surface quality of finished parts.
- Dimensional Accuracy: Tight tolerance control ensures stable part dimensions throughout large production runs.
- Straightness: Controlled straightness supports reliable feeding and clamping in automatic lathe machines.
- Machinability: S45C has a well-known combination of strength and machinability, making it easier to cut, turn, and drill while maintaining good wear resistance.
- Customizable Dimensions: Diameter, length, and end finishing options can be adjusted to your design.
- Versatile Applications: Suitable for automatic lathe parts, precision shafts, pins, spacers, bushing, and many other machined components.
Product Specifications
| Material | S45C carbon steel |
| Grade Standard | JIS S45C / AISI 1045 equivalent |
| Diameter | Customizable; available upon request |
| Length | Standard 3m / 6m or cut-to-size per your specification |
| Surface Finish | Precision ground; roughness details available upon request |
| Tolerance | High precision; specific tolerance grade customizable |
| Supply Form | Round bar, straightened and cut ends |
| Quality Management | ISO9001 certified company quality system |
| Port of Shipment | Qingdao, China |
Benefits for Automatic Lathe Machining
- Increased Productivity: The consistent hardness and structure of S45C reduce unexpected tool wear and downtime, allowing your automatic machines to run longer between maintenance.
- Superior Surface Finish: Precision ground bars can help you achieve smoother part surfaces, reducing the need for additional finishing operations.
- Stable Mechanical Properties: Medium-carbon composition provides good tensile strength and hardness, making finished parts more durable.
- Process Optimization: Accurate diameter and straightness facilitate auto-feeding, clamping, and machining, minimizing rejected parts.
- Cost-Effective Material: S45C offers a balance between price and performance, making it a practical choice for many industrial parts.
- Design Flexibility: With custom diameters and lengths, you can order exactly what your CNC or automatic lathe program requires.
Quality Assurance
At Hemaokang Steel, we take a disciplined approach to production. Our facility in Liaocheng, Shandong, is equipped with experienced personnel and controlled processes that allow us to serve customers across multiple industries. The company's quality management system is ISO9001 certified, which means our workflows are documented and continuously reviewed. Every S45C precision ground bar is handled and inspected according to established procedures, ensuring that the material you receive is consistent and suitable for your machining application. We understand that automatic lathe machining demands tight tolerances and repeatability; therefore, we pay close attention to the details that matter most: diameter accuracy, straightness, surface quality, and clean ends.
Why Choose Hemaokang Steel
Backed by an annual export value of US$50 million to US$100 million, Hemaokang Steel has built a broad international presence. We ship from Qingdao Port to major markets including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, and South Asia. Our 51–100 employees are dedicated to understanding your needs and providing practical solutions. Whether you need a standard S45C ground bar or a custom specification for a critical automatic lathe component, we are ready to support you with competitive pricing, responsive communication, and dependable logistics. Please reach out to request a quotation, discuss your technical requirements, or arrange sample testing.
Frequently Asked Questions
1. What is S45C steel and what are its advantages?
S45C is a JIS-standard medium carbon steel with a nominal carbon content around 0.45%. It offers good strength, toughness, and wear resistance while remaining machinable. It is often compared to AISI 1045. The material is suitable for automatic lathe parts that require both strength and machinability.
2. Can you supply precision ground bars with custom diameters and lengths?
Yes. We offer custom diameters, lengths, and cut-to-size options based on your drawings or specific requirements. Please provide your required tolerance and surface finish so we can tailor the product.
3. What tolerances and surface finishes are typical for these rods?
The tolerance and surface finish can be customized to meet your machining process. Common precision ground bars are supplied with tight diameter tolerances and low surface roughness. Our team can recommend suitable values based on your application and confirm them in the quotation.
4. How do precision ground bars benefit automatic lathe machining?
Precision ground bars provide consistent diameter, straightness, and surface finish. This helps automatic lathe machines feed and clamp the material reliably, reduces tool vibration and wear, and results in fewer rejected parts.
5. Can you process the rod ends or add chamfering?
Yes, optional end processing such as deburring, chamfering, and cut-to-length is available upon request. Please mention any specific end finish requirements in your inquiry.
6. What quality certifications does Hemaokang Steel hold?
Our company operates in accordance with an ISO9001 quality management system. We follow controlled procedures from raw material selection to final inspection and shipping. Specific product certifications, if required, can be discussed based on your destination market.
7. What is the minimum order quantity?
We are flexible. MOQ depends on the diameter, specification, and surface finish. For standard sizes, low minimum quantities may be possible. For custom dimensions, minimums may be higher. Please contact us with your requirements.
8. How long does delivery take?
Delivery time is based on order quantity, specification, and production schedule. We will provide the exact lead time when you send us your inquiry. For regular sizes, we can often schedule production quickly. Shipment is typically from Qingdao Port.
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