Application Areas of cold-rolled steel

Cold rolling is the process of plastically deforming hot-rolled, pickled steel coils through a rolling mill at room temperature. In today's highly sophisticated and automated manufacturing industry, the selection and pretreatment of raw materials directly determine the quality, cost, and market competitiveness of the final product.
Cold-rolled steel coil and sheet, with their superior surface quality, precise dimensional tolerances, and excellent mechanical properties, have become the material of choice for high-end applications such as automotive manufacturing, home appliances, precision instruments, and architectural decoration.
| Industry | Typical Applications | Recommended Material Grades and Properties |
|---|---|---|
| Automotive Manufacturing | Interior body components, brackets, seat rails, bumper reinforcement beams, battery pack housings | DC01/DC03/DC04 (deep drawing), HC340/420LA (high-strength steel), requiring high formability and strength |
| Home Appliance Industry | Refrigerator, washing machine, air conditioner, microwave oven housings, internal components, back panels, and covers | SPCC, SECC (galvanized), high surface requirements, requiring good spray adhesion |
| Electronics and electrical appliances | Cabinets, distribution boxes, server housings, electromagnetic shielding covers | SPCC, SECC (fingerprint-resistant), SGCC, requiring excellent flatness and precise dimensions |
| Architectural Decoration | Metal ceilings, partitions, light steel keels, skirting boards, and lighting housings | SPCC and DC01, surface treatments such as lamination and spray coating are available |
|---|---|---|
| Furniture Industry | File cabinets, storage cabinets, desk partitions, supermarket shelves, display racks | SPCC, ST12, requiring excellent bending and welding properties |
| General Hardware | Various stampings, sheet metal parts, security door panels, kitchen equipment, and appliance housings | SPCC, DC01, deep-drawn or standard commercial grade depending on complexity |
- Product Specifications
|
Material |
A36,A53,ASTM A106,JIS S400Q235B,Q235C,Q235D,Q345E,Q345,Q390B,Q390C, |
|
Wall Thickness |
0.17mm-37mm |
|
Width |
600mm-1250mm |
|
Tolerance |
Thickness:±0.03mm, Width: ±50mm, Length: ±50mm |
|
Surface Treatment |
Top paint: PVDF, HDP, SMP, PE, PU |
|
Application |
Widely used in roofing sheet, window-shades, car ceiling, the shell of the car, air conditioner, outer shell of water machine, steel structure, etc |
|
Advantages |
1. Reasonable price with excellent quality |
|
Packing |
Tied up with steel strips and wrapped with water-proof paper |
- Our Service Commitment
Reliable Quality: We guarantee genuine materials and provide a warranty (MTC). Processing precision strictly meets agreed standards.
On-Time Delivery: We have established a comprehensive supply chain system, and urgent orders can be expedited through negotiation.
Transparent Pricing: We provide clear quotes, including material, processing, packaging, and shipping costs, with no hidden charges.
Attentive Service: We have a dedicated customer service manager who will follow up with you from inquiry to after-sales service, ensuring timely response to your needs.






