Precision Cold Rolled Stainless Steel Coil Manufacturer
Our 400 Series Stainless Steel Coil Grades
SUS430 Cold Rolled Coil
✓ Thermal Conductivity
✓ Magnetic Properties
Applications: Appliances, Automotive Trim, Architecture
SUS410S Cold Rolled Coil
✓ Light Formability
✓ Non-Hardening
Applications: Combustion Chambers, Oil Refineries
SUH409L Cold Rolled Coil
✓ Weldability
✓ Low Thermal Expansion
Applications: Exhaust Systems, Heat Exchangers
Technical Grade Comparison
| Item | SUH409L | SUS430 | SUS410S |
|---|---|---|---|
| Stainless Steel Type | Ferritic Heat-Resistant Stainless Steel | Ferritic Stainless Steel | Low-Carbon Martensitic Stainless Steel |
| JIS Standard | JIS G4312 / SUH Series | JIS G4305 / G4304 | JIS G4305 / G4304 |
| AISI Equivalent | 409L | 430 | 410S |
| UNS Number | S40910 | S43000 | S41008 |
| EN Grade | 1.4512 | 1.4016 | 1.4000 |
| DIN Grade | X6CrTi12 | X6Cr17 | X6Cr13 |
| Magnetism | Magnetic | Magnetic | Magnetic |
| Nickel Content | Essentially Nickel-Free | Essentially Nickel-Free | Essentially Nickel-Free |
| Heat Treatable | No | No | Light Heat Treatment Possible |
| Corrosion Resistance | Moderate | Good | Moderate |
| High-Temperature Oxidation Resistance | Excellent | Good | Moderate |
| Weldability | Excellent | Moderate | Good |
| Formability | Good | Excellent | Moderate |
| Strength | Moderate | Moderate | Higher |
| Hardness | Moderate | Moderate | Higher |
| Polishing Performance | Moderate | Excellent | Moderate |
| Cost | Medium to High | Medium to High | Lowest |
| Typical Applications | Automotive exhaust systems, mufflers, catalytic converter shells, heat exchangers | Home appliance panels, kitchen equipment, cookware, cutlery, induction cooker bases, sinks, decorative panels, elevator interior panels | Valves, structural parts, wear-resistant components, kitchen utensils, grills, industrial hardware |
Chemical Composition Comparison
| Element | SUH409L | SUS430 | SUS410S |
|---|---|---|---|
| C (Carbon) | ≤0.03 | ≤0.12 | ≤0.08 |
| Si (Silicon) | ≤1.00 | ≤0.75 | ≤1.00 |
| Mn (Manganese) | ≤1.00 | ≤1.00 | ≤1.00 |
| P (Phosphorus) | ≤0.045 | ≤0.040 | ≤0.040 |
| S (Sulfur) | ≤0.030 | ≤0.030 | ≤0.030 |
| Cr (Chromium) | 10.5-11.75 | 16-18 | 11.5-13.5 |
| Ni (Nickel) | ≤0.5 (Residual) | ≤0.75 (Residual) | ≤0.6 (Residual) |
| Ti (Titanium) | Present (Stabilized) | Usually None | Usually None |
Integrated Cold Rolled Coil Manufacturing Excellence
Precision Temper Rolling
Advanced temper rolling processes improve flatness, surface consistency, mechanical performance, and dimensional accuracy for high-quality stainless steel coil production.
Edge Trimming & Precision Slitting
Precision edge conditioning and high-accuracy slitting lines ensure clean coil edges, stable width tolerance, and reliable narrow-width stainless steel strip production.
Oscillate Winding
Efficient oscillate winding solutions for narrow stainless steel strips improve packaging efficiency, coil utilization, and downstream fabrication productivity.
Cut-to-Length Processing
Automated cut-to-length systems provide accurate stainless steel sheet sizing and customized dimensional processing for industrial manufacturing requirements.
Flexible Cold Rolled Stainless Steel Coil Manufacturing
Operating under a Build-to-Order (JIT) model, we provide precision cold-rolled 400-series stainless steel coils with flexible specifications and integrated OEM processing solutions.
Starting from 1 coil (approx. 5 tons) with customized production lead times as fast as 10 days.
0.16MM - 2.0MM
20MM - 1250MM
2D, 2B, BA, 2BA
No.4, Hairline (HL), Mirror, Vibration Finish
Precision annealing enables accurate hardness and grain adjustment.
Surface Finishes Available
2B Finish
Cold Rolled, Annealed, Pickled
BA Finish
Mirror-like, Highly Reflective
No.4 Finish
Brushed, Unidirectional Grain
HL Finish
Continuous Hairline Texture
Strict Quality Assurance
Comprehensive inspection and testing procedures ensure stable quality, dimensional accuracy, and reliable performance for every cold-rolled stainless steel coil batch.
Material Certification
Original mill test certificates (MTC) are provided for every raw material batch to verify chemical composition and material specifications.
Dimensional Accuracy
Precision thickness and width inspection ensures stable tolerance control throughout the entire coil processing workflow.
Surface Inspection
Surface quality inspection for scratches, dents, edge defects, and consistency across 2B, BA, No.4, and HL finishes.
Mechanical Verification
Hardness and forming performance verification ensure stable downstream fabrication and processing consistency.
Standardized Coil Packaging Solutions
Our export packaging system is designed to protect cold rolled stainless steel coils during long-distance transportation, container loading, and multi-stage handling.
Multi-Layer Protection
Waterproof paper, plastic film, edge protection, and steel strapping provide reliable moisture and surface protection.
Wooden Pallet Packaging
Fumigated wooden pallets with reinforced support ensure stable stacking and safe transportation.
Steel Frame Protection
Optional steel frame packaging for heavy coils and customized specifications reduces deformation risks during shipment.
Export-Ready Delivery
Standardized packaging solutions suitable for global shipping, OEM processing orders, and industrial coil transportation.
Industries We Proudly Serve
We analyze your specific requirements to deliver the exact material properties to your terminal needs.
Automotive
Heat-resistant alloys for durable exhaust and emission systems.
Home Appliances
Sleek, dent-resistant surfaces for modern refrigerator and dishwasher panels.
Kitchenware
Superior deep-drawing steel for crack-free sinks and cookware.
Cutlery
High-hardness grades for lasting sharpness and brilliant mirror finishes.
Burners & Stoves
Oxidation-resistant materials built for continuous high-temperature performance.
Architectural
Ultra-flat decorative steel for premium elevators and interior cladding.
FAQs About Cold Rolled Stainless Steel Coil
- Q1: Why do manufacturers choose 400 series stainless steel instead of 300 series stainless steel?
A: 400 series stainless steel offers magnetic properties, lower nickel content, and better cost efficiency, making it suitable for industrial, cookware, and appliance applications where cost control and processing performance are important.
- Q2: What is the difference between Slit Edge and Mill Edge stainless steel coils?
A: Slit Edge coils are processed through precision slitting for tighter width tolerance and cleaner edges, while Mill Edge coils retain the original mill edge and are typically used for standard industrial applications.
- Q3: Can your cold rolled stainless steel coils be used for deep drawing and stamping applications?
A: Yes. Hardness, flatness, and annealing conditions can be adjusted according to different stamping, bending, and forming requirements.
- Q4: How do you ensure stable quality between different production batches?
A: All raw materials are sourced from qualified steel mills with original mill test certificates (MTC). Each batch is inspected for thickness, surface quality, and processing consistency before delivery.
- Q5: Can you help reduce material costs for our project?
A: Yes. Based on application requirements, forming performance, and surface needs, we can recommend more cost-effective material grades and processing solutions.
- Q6: How fast can customized stainless steel coil orders be delivered?
A: Depending on material grade, specifications, and processing requirements, customized orders can typically be delivered within 10–15 days.
Ready to Optimize Your Material Performance?
Our technical team analyzes your samples and provides tailored stainless steel coil specifications to improve processing performance and production stability.
Partner with Precision
GLOBAL HQ
Xiaxin Road, New Industrial Park, Jiedong Economic Development Zone, Jieyang City