What is cold rolled steel coil?
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.
We have an industry-leading steel processing center equipped with multiple sets of fully automatic processing equipment to ensure that every piece of steel plate meets your stringent requirements.
- 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 |
High-Precision Slitting Line: Slits wide steel coils longitudinally into multiple narrow strips of the desired width.
High-Precision Cut-to-Length Line: Uncoils and straightens steel coils, then cuts them transversely into rectangular flat sheets of a specified length.
Laser Cutting: Utilizes a high-energy laser beam for contactless melting and cutting of sheet metal, enabling the production of any complex shape.
Surface Protection: After processing, we can provide surface protection measures such as plastic film, oiling, or paper covering upon request to protect the product from scratches during transportation and storage.
Application Areas
Our custom-cut cold-rolled steel sheet is ideal for a wide range of industries:
| 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 |
