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Help CenterCold Rolled Carbon Steel Coil SPCC Q235 For Automobile Stamping Parts Bending Forming 0.5-3mm Thickness
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Hemaokang Steel (Shandong) Co., Ltd. is pleased to present our cold rolled carbon steel coils in SPCC and Q235 grades, specifically developed for automobile stamping parts and bending forming operations. With a thickness range of 0.5mm to 3.0mm, these coils combine excellent surface quality, close tolerances and reliable mechanical consistency. As an export-oriented supplier located in Liaocheng, Shandong, we are committed to delivering automotive-grade materials backed by ISO9001 process control and responsive customer service.
Cold rolling transforms hot-rolled pickled strip into a product with a smoother surface, tighter thickness accuracy and improved mechanical properties. For automotive stamping, these characteristics are essential to achieve consistent part weight, surface appearance and dimensional stability. Both SPCC and Q235 are available in this product series, offering you flexibility in choosing the right grade for your stamping, bending or coining requirements. The coils are produced in a controlled manufacturing environment to ensure uniform hardness and good elongation, which reduces cracking risks during deep drawing.
- Excellent Formability: Suitable for deep drawing, stamping, bending and roll forming of complex automotive parts.
- Precise Thickness: 0.5mm to 3.0mm with tight tolerance for consistent press settings.
- Clean Surface: Oil-dried or skin-passed finishes help protect the material and improve downstream coating adhesion.
- Uniform Properties: Consistent yield strength and elongation across the whole coil to minimize material waste.
- Custom Slitting: Coils can be slit to required widths to fit your stamping dies and reduce edge scrap.
- Reliable Supply: Stable production capacity and export experience ensure on-time delivery to global buyers.
| Parameter | Specification |
|---|---|
| Material Grade | SPCC (JIS G3141) / Q235 (GB/T 700) |
| Thickness | 0.5mm - 3.0mm |
| Width | Customizable on request |
| Surface Finish | Oiled, dry, or skin-passed |
| Coil Inner Diameter | 508mm or 610mm optional |
| Coil Weight | Customizable |
| Application | Automobile stamping parts, bending forming, general fabrication |
| Quality System | ISO9001 |
| Grade | Typical Yield Strength | Typical Tensile Strength | Typical Feature |
|---|---|---|---|
| SPCC | ~205 MPa | ~270 MPa | Excellent deep drawing performance |
| Q235 | ~235 MPa | 370-500 MPa | Good strength and weldability |
In the automotive industry, stamped parts must meet strict quality standards because they directly affect crash safety and assembly precision. Cold rolled coils from Hemaokang offer the flatness and surface cleanliness required for production lines running at high speeds. The material also supports consistent springback behavior, which helps tooling engineers fine-tune die parameters. For structural parts that require bending after cutting, Q235 provides a balanced combination of strength and ductility. For visual panels and deeply drawn components, SPCC provides the formability needed to avoid micro-cracks.
Our coils are produced in different widths and thicknesses to suit specific stamping applications. We understand that every customer has a unique drawing, so we encourage you to send us your material specification. Our technical team can recommend the most suitable grade, surface condition and packaging method. We also support cut-to-length service if your production needs sheets instead of coils. Edge trimming is performed to eliminate burrs and reduce the risk of damage during handling.
Quality assurance is a central part of our manufacturing process. Incoming hot-rolled material is tested for chemical composition and surface defects before cold rolling. During rolling, operators continuously monitor thickness and surface quality using calibrated instruments. After final rolling, coils are tested for hardness, yield strength, elongation and visual appearance. A mill test certificate is available with each shipment to provide full traceability. Under our ISO9001 quality management system, all procedures are documented and continuously improved.
Packaging plays an important role in protecting cold rolled coils during long-distance shipping. Each coil is protected with anti-rust paper, plastic film, edge protectors and steel straps before being placed on sea-worthy pallets or wooden skids. This approach minimizes the risk of scratches, rust and deformation during export transportation. We arrange shipment from Qingdao Port, which offers frequent sailings to major destinations worldwide. Our logistics team works closely with forwarders to provide fast lead times and proper shipping documentation.
Hemaokang Steel (Shandong) Co., Ltd. was established in 2025, yet we have rapidly built a strong export operation with annual export value between US$50 million and US$100 million. Our team of 51 to 100 employees focuses on efficient production, strict inspection and smooth export coordination. We serve buyers in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe and South Asia. This broad market reach reflects the trust global customers place in our product quality and service.
We invite you to partner with Hemaokang Steel for your cold rolled coil requirements. With ISO9001 certification, technical expertise and an experienced export team, we are ready to support your automotive stamping projects with competitive pricing and dependable delivery. Contact us today with your required thickness, width, grade and quantity for a prompt quotation.
Frequently Asked Questions
Q1: What is the difference between SPCC and Q235?
A: SPCC is a Japanese standard cold rolled steel grade known for excellent formability, suitable for deep drawing, stamping and complex shapes. Q235 is a Chinese structural carbon steel grade with higher yield strength, often used for bending, welding and load-bearing parts. Both are available as cold rolled coils.
Q2: Can you supply thicknesses between 0.5mm and 3.0mm with tight tolerances?
A: Yes. Our cold rolling mills can produce any thickness within this range. We control the rolling process to achieve tight thickness tolerance, ensuring consistent press performance and material saving.
Q3: What surface finishes are available?
A: We offer oiled, dry and skin-passed surfaces. Oiled surface provides temporary corrosion protection during storage and shipment. Dry and skin-passed surfaces are suitable for processes like painting, electro-coating or direct use in sensitive stamping applications.
Q4: Can you slit coils to custom widths?
A: Yes. Slitting is available upon request. We can slit master coils into narrower coils to match your die width, which reduces edge scrap and improves material utilization.
Q5: Do you provide mill test certificates?
A: Yes. Each shipment can include mill test certificates showing chemical composition, mechanical properties and processing records. These documents support quality traceability and your incoming inspection.
Q6: What is your minimum order quantity?
A: Our standard MOQ depends on gauge and width. Generally, we accept one full container load for regular orders. For trial orders or special requirements, please contact us to discuss a practical solution.
Q7: How do you avoid rust during ocean shipment?
A: We use anti-rust paper, vapor-phase corrosion inhibitor paper (VCI) when necessary, plastic film, edge protectors and steel pallets. Oiled surface finish is also recommended to reduce oxidation. Our packaging is designed for long sea journeys.
Q8: Why should I choose Hemaokang Steel as my coil supplier?
A: We combine ISO9001 quality management, professional material selection support, flexible processing options and efficient Qingdao export logistics. Our team understands the automotive industry and can provide stable supply even for demanding production schedules.
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