Introduction
1 4 cold-rolled steel plate is a high-quality carbon steel plate made by precision cold rolling of hot-rolled coils. It is mainly used in automobile manufacturing, electrical products, etc.
| Tolerance | ±1% |
| Material | Carbon Steel |
| Technique | Cold Rolled |
| Standard | AISI,ASTM,DIN,JIS,GB,EN |
| Surface Treatment | Bared, Oiled, Galvanized, Checkered, etc. |
| Thickness | 1.0mm-20.0mm, can be customized |
| Width | 1.5m or as required |
| Length | 6m or as required |
| Application | Construction sites, shipbuilding, bridges, factory floors, steps, trains, etc |
Features
- High-Quality Surface
During production, cold rolling is performed without heating, eliminating common hot-rolling defects such as spots and iron oxide scale. The surface quality is excellent, and the finish is high.
- Superior Mechanical Performance
Good cold-bending, welding, and stamping properties, suitable for applications requiring deep drawing or electromagnetic characteristics.
Dimensional Accuracy
Tight tolerances (±1%) provide predictable performance across batches, facilitating precise fabrication and assembly.
Customization Options
- Customizable thickness, width, and length
The standard length is 6 m, the standard thickness ranges from 1.0 mm to 20 mm, and the standard width is 1.5 m, with custom sizes available to meet project-specific or manufacturing requirements.
- Surface Treatment Options
Oiled (for protection during storage and transport)
Galvanized (for enhanced corrosion resistance)
Checkered (for anti-slip applications)
- Steel Grade Selection
Common grades: Q195, Q215, Q235, Q275.
Customers can select grades based on required mechanical properties, strength, or welding needs.
FAQ
Q: What is a 2B finish, and where is it used?
A:2B finish has a matte silver surface with good ductility and formability. It's ideal as a base material for galvanizing, painting, or low-aesthetic applications like home appliance casings and structural brackets.
Q: What is a BA finish and its main applications?
A: A BA (bright annealed) finish has a smooth, mirror-like surface with excellent aesthetics. It's suitable for decorative applications such as furniture trim, electrical cabinets, and metal panels that require a sleek, bright finish.
Q: What are skin pass and hardened finishes used for?
A: A skin-pass finish adds a subtle, non-slip texture for grip and scratch resistance, ideal for door handles, kitchen appliances, and toolboxes. Hardened finish skips annealing, giving higher tensile strength (≥500 MPa) for structural parts, springs, fasteners, and industrial brackets.
Q: What surface finishes are available for cold-rolled steel plates?
A: Cold-rolled steel plates typically come in four main finishes. 2B finish is the most common, offering a matte surface with good ductility for forming and further processing. A BA (bright annealed) finish provides a smooth, mirror-like appearance suitable for decorative applications. A skin-pass finish features a lightly textured surface that improves scratch resistance and grip. Hardened finish retains higher strength by skipping annealing, making it suitable for structural and high-load components.
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