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Help CenterSPHC SPHD SPHE Hot Rolled Carbon Steel Coil 1.8mm-6.0mm Thickness, Pickled and Oiled Surface, Tight Tolerance
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Hemaokang Steel (Shandong) Co., Ltd., located in Liaocheng, Shandong, is an export-driven supplier established to provide superior hot rolled carbon steel products. We specialize in SPHC, SPHD, and SPHE hot rolled carbon steel coils with 1.8mm-6.0mm thickness, pickled and oiled surface, and tight tolerance. Our coils combine consistent mechanical properties, clean surface quality, and excellent processing flexibility for demanding industrial applications.
This product description provides a comprehensive overview of the manufacturing process, technical specifications, primary features, applications, and purchasing advantages. With an annual export value of US$50-100 million and a dedicated team of 51-100 employees, Hemaokang Steel is ready to offer competitive solutions for global buyers.
What Are SPHC, SPHD and SPHE Grades?
SPHC is a general hot rolled carbon steel with moderate strength and excellent weldability. SPHD offers improved drawability and is commonly used for moderately severe forming operations. SPHE provides even higher ductility for deep drawing and stretching applications. These grades are widely recognized under the JIS G3131 standard, and are also comparable to other industrial standards upon request.
Product Highlights
- Pickled and Oiled Surface: The oxide scale is removed by an acid pickling process; then a protective oil layer is applied. The result is a smooth, clean surface that reduces wear on tooling and is immediately ready for painting, stamping, or cold rolling.
- Hot Rolled Process: Produced at elevated temperature and then rapidly cooled, these coils offer cost-effective strength and easy forming.
- Tight Tolerance: Advanced rolling and gauge control technology ensures close dimensional accuracy. The thickness is strictly monitored throughout the coil to minimize off-gauge areas.
- Wide Thickness Range: With thickness from 1.8mm to 6.0mm, the coil can serve a broad spectrum of downstream needs.
- Consistent Mechanical Properties: Chemical composition and rolling parameters are carefully controlled to provide stable tensile strength, yield strength, and elongation.
- Flexible Procurement: We offer customizable width, coil weight, and packing options according to project requirements.
Technical Specifications
| Grade | SPHC, SPHD, SPHE |
| Thickness | 1.8mm - 6.0mm |
| Surface Treatment | Pickled and oiled |
| Processing Method | Hot rolled |
| Tolerance | Tight tolerance, controlled per order requirement |
| Width | Customizable upon request |
| Coil Weight | Customizable |
| Standard Reference | JIS G3131 (or equivalent) |
| Applications | Automotive parts, pipe making, construction, stamping, general fabrication |
Detailed Features and Benefits
The following points explain how our hot rolled carbon steel coil can bring value to your manufacturing process.
- Excellent Surface Quality: Pickling removes black oxide scale and surface defects, producing a uniform appearance. Oiling prevents rust during storage and shipping. This helps you achieve cleaner stamped parts and reduces the need for additional surface cleaning.
- Dimensional Accuracy: The tight tolerance characteristic helps maintain stable product dimensions during shearing, slitting, and blanking. As a result, you can achieve more consistent component quality and reduce material waste.
- Good Formability and Weldability: SPHC, SPHD, and SPHE are designed for bending, stamping, and welding. SPHE in particular offers enhanced deep drawing performance for complex shapes. Your production line can run efficiently while maintaining reliable output.
- High Strength-to-Weight Ratio: Hot rolled carbon steel provides adequate strength for structural uses while remaining easy to process. It is a cost-effective choice for projects where strength and weight must be balanced.
- Wide Range of Applications: From automobile rims, brackets, and chassis parts to welded pipes, purlins, and storage tanks, the coil can be adapted to various industries.
- Customization Capability: We understand that each application is different. You can request specific dimensions, packing, edge type, or oil film type; our team will evaluate and provide the most suitable solution.
Applications
Our hot rolled carbon steel coils are widely used in the following fields:
- Automobile manufacturing – structural components, wheels, chassis frames and seat parts.
- Steel pipe production – ERW welded pipes, conduit pipes, and structural pipes.
- Construction – purlins, roof sheets, light steel structures, reinforcing elements.
- Machinery – general machine parts, enclosures, guards, and storage equipment.
- Consumer goods – metal cabinets, racks, and home appliance inner parts.
Quality Assurance
Hemaokang Steel operates with an ISO9001-certified quality management system. This means our internal processes for sourcing, production control, inspection, and delivery follow established standards. In addition, every coil is carefully checked for thickness, surface appearance, and mechanical properties before loading. If required, we can provide material test certificates and mill certificates to verify the chemical composition and performance.
Packing and Shipping
Steel coils are protected against moisture and mechanical damage. Common packing includes anti-rust paper, plastic film, steel pallets, and edge protectors, and we can adjust packing according to the transport route. Coils are shipped from Qingdao Port, which offers convenient access to global destinations.
Company Advantages
Hemaokang Steel (Shandong) Co., Ltd. was founded in 2025 but has quickly built an outstanding export platform. Our annual export value reaches US$50-100 million, with 51-100 employees supporting sourcing, processing, quality control, logistics, and customer service. We serve clients in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic market. With our deep understanding of international requirements, we offer professional solutions that meet your technical and commercial needs.
Why Choose Hemaokang Steel?
Buyers choose us because we combine competitive quality, flexible customization, and responsive communication. We do not simply sell steel; we provide material solutions that help you achieve stable production and lower total cost. Our tight tolerance hot rolled coils reduce scrap rates and improve forming efficiency, making them a dependable choice for value-minded manufacturers.
Frequently Asked Questions
1. What is the difference between SPHC, SPHD, and SPHE?
SPHC is a general purpose grade for forming and welding. SPHD has improved drawability compared to SPHC. SPHE offers the highest ductility and is suitable for deep drawing and severe forming applications. The specific mechanical properties can be verified in the mill certificate.
2. What does “pickled and oiled” mean?
Pickling removes the iron oxide scale from the hot rolled surface using an acidic solution. Oiling applies a thin protective film to prevent rust formation. This combination provides a clean surface and temporary corrosion protection.
3. Can I order different thickness or width?
Yes. The standard product range is 1.8mm to 6.0mm in thickness, but width and other dimensions can be customized according to your drawings or order requirements. Please contact our sales team for availability.
4. Do you provide material certificates or test reports?
We provide mill test certificates that show chemical composition, mechanical properties, and specification compliance. Additional third-party inspection is available upon request.
5. What is the production capacity and delivery time?
As an export-focused supplier, we maintain stable processing and logistics capacity. The delivery time normally depends on the selected specifications and spool availability. Please contact us for current production schedules and lead times.
6. What applications are suitable for this hot rolled coil?
Typical applications include automotive parts, welded pipes, structural framing, machinery housings, storage tanks, and general sheet metal fabrication. The deep drawing grades are also suitable for work requiring complex forming.
7. How is the coil packaged for shipping?
Our standard packing includes anti-rust paper, waterproof plastic wrapping, steel pallets or cradles, and edge protection. Export packing can be adjusted for sea or overland transportation.
8. Why is tight tolerance important?
Tight tolerance reduces material thickness variation. This improves the consistency of stamped and machined parts, prevents jamming in forming dies, and lowers scrap rates. It is especially important in automated production environments.
Contact Us
For more information, technical consultations, or precise quotations for your project, please send an inquiry to Hemaokang Steel. Our professional team will respond promptly and provide the support you need. We look forward to building a durable business relationship.
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