Product Introduction
Our Cold Rolled Stainless Steel Strip Coils are precision-engineered using advanced cold rolling technology, delivering superior dimensional accuracy, surface finish, and mechanical properties. With thickness ranging from 0.1mm to 3.0mm and slit cutting widths from 5mm to 1219mm, these strips are ideal for applications requiring high precision, corrosion resistance, and formability. Available in popular grades such as 201, 304, 316L, 410, and 430, our products serve diverse industries including electronics, automotive, aerospace, medical devices, and precision manufacturing. The cold rolling process enhances material hardness, tensile strength, and surface smoothness, while our burr-free slit cutting ensures minimal post-processing and optimal performance in critical applications.
Technical Parameters
| Parameter | Details |
| Material Grades | 201, 304, 316L, 301, 410, 430 (AISI/ASME/JIS/EN standards) |
| Thickness | 0.1mm - 3.0mm (Tolerance: ±0.01mm for thickness ≤1mm; ±0.02mm for >1mm) |
| Width | 5mm - 1219mm (Slit cutting tolerance: ±0.1mm for width ≤200mm; ±0.2mm for >200mm) |
| Hardness (HV) | Soft (140-200), Half Hard (250-350), Full Hard (380-450), Spring Hard (500-600) |
| Surface Finish | 2B (Mill Finish), BA (Bright Annealed), No.4 (Polished), 8K Mirror, Brush, Anti-Fingerprint |
| Tensile Strength | 550-1600 MPa (Grade & hardness dependent) |
| Elongation at Break | ≥15% (Soft temper, grade dependent) |
| Process | Cold Rolled (CR) with annealing options (full/partial annealing available) |
Specifications
Dimensions & Packaging
- Coil Weight: 50kg - 2000kg per coil (Customizable based on thickness/width)
- Inner Diameter: 305mm (Standard for narrow strips), 508mm (Standard for wide coils)
- Outer Diameter: Up to 1500mm (Subject to coil weight and thickness)
- Straight Strips Length: 100mm - 6000mm (Precision-cut with burr-free edges)
Grade-Specific Features
| Grade | Key Properties | Typical Applications |
| 304 | Excellent corrosion resistance, ductility | Kitchen equipment, medical instruments |
| 316L | High resistance to chloride corrosion | Marine components, chemical processing |
| 201 | Cost-effective, good formability | Decorative trims, furniture components |
| 410 | Martensitic, high hardness/wear resistance | Cutting tools, valves, pump parts |
| 430 | Ferritic, magnetic, stress corrosion resistance | Automotive exhausts, appliance parts |
Product Features
- Cold Rolling Advantages:
- Improved mechanical properties (higher tensile strength and hardness).
- Uniform thickness and flatness for precise fabrication.
- Smooth surface finish (RA ≤1.6μm for 2B finish) reducing coating/processing needs.
- Burr-free edges achieved via advanced slitting lines with automatic edge inspection.
- Custom widths down to 5mm for intricate components.
- Versatile Surface Options:
- Wide range of finishes to meet aesthetic (mirror polish) and functional (anti-corrosion) requirements.
- Customization Capability:
- Tailored hardness levels, coil weights, and special surface treatments available upon request.
- Quick turnaround for non-standard sizes.
- Strict quality control at every stage (raw material testing, process monitoring, final inspection).
Standards Compliance
- ASTM A240 (Stainless Steel Plate, Sheet, and Strip)
- JIS G4305 (Cold Rolled Stainless Steel Strip)
- EN 10088-2 (Stainless Steels for General Use)
- GB/T 3280 (Cold Rolled Stainless Steel Sheet and Strip)
- Certifications: Mill Test Certificates (MTC) provided for each lot, including chemical composition, mechanical properties, and heat treatment records.
Packaging Solutions
- Wrapped with moisture-resistant paper or PE film to prevent rust and scratches.
- Edges protected with cardboard strips for coils ≥500mm width.
- Securely palletized in wooden crates with steel strapping for international shipping.
- Lightweight coils (≤200kg) packed in corrugated boxes with corner protectors.
- Labeling: Clear markings with grade, thickness, width, hardness, heat number, and customer order details.
After-Sales Service
- 100% dimensional and surface inspection before shipment.
- Third-party testing available upon request (e.g., PMI, corrosion testing).
- 12-month warranty against manufacturing defects (excluding misuse or improper storage).
- Dedicated team for material selection, processing guidance (e.g., bending, welding), and troubleshooting.
- Free replacement or full refund for non-conforming products confirmed by mutual inspection.
For custom inquiries or to request a sample, contact our sales team with your specifications. We are committed to delivering cold rolled stainless steel strips that combine precision, durability, and cost-efficiency for your most demanding applications.
