Why Choose 201 Stainless Steel?
With 30% cost savings versus 304 grade, 201 stainless steel (UNS S20100) delivers optimized performance:
✓ Chemical Composition: 16-18% Chromium, 3.5-5.5% Nickel
✓ Tensile Strength: 515 MPa (ASTM A240 standard)
✓ Corrosion Resistance: 500+ hours in salt spray testing (with protective coating)
Ⅰ. Architectural Applications
1. Door & Window Frames
Problem Solved: High humidity corrosion in coastal buildings
- Material Specification: 1.2-2.0mm thickness with PE protective film
- Surface Treatment Options:
- Brushed (RA < 0.8μm)
- PVD Gold/Rose Gold coating
- Case Study: Dubai Pearl Tower used 201 stainless steel for 12,000㎡ curtain walls, reducing material costs by $380,000 versus 304 grade.
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2. Curtain Wall Systems
| Parameter | 201 Grade | 304 Grade |
|---|---|---|
| Cost per ㎡ | $28 | $42 |
| Maintenance Cycle | 5 years | 8 years |
| Weight Capacity | 150kg/㎡ | 180kg/㎡ |
| Pro Tip: Combine with sacrificial anode protection for marine environments. |
Ⅱ. Home & Kitchen Solutions
Premium Kitchen Sinks
Consumer Pain Point: Affordable alternatives to 304 stainless
- NSF Certification: Food contact safe (Standard 51)
- Recommended Thickness:
- Residential: 0.8-1.0mm
- Commercial: 1.2-1.5mm
- Installation Guide:
- Use silicone-free cleaners
- Avoid bleach-based products
- Monthly wax coating recommended
▶ Watch Maintenance Video Tutorial
Try this Python code to calculate your furniture part strength
Ⅲ. Industrial Implementations
Automotive Exhaust Systems
Manufacturing Advantages:
- High-Temp Performance: Withstands 650°C continuous heat
- Formability: 45% elongation rate for complex shapes
- OEM Case: BYD Auto saved 15% on exhaust production using 201 SS
Welding Parameters: - Gas: 98% Ar + 2% O₂
- Current: 90-110A for 1.5mm thickness
Machine Guard Rails
Safety Compliance:
✔ ISO 14120 impact test passed
✔ ≤2mm deformation at 50J impact
Buyer’s Decision Guide
When to Choose 201 Over 304?
| Scenario | Recommended Grade |
|---|---|
| Indoor furniture | ✅ 201 |
| Coastal buildings | ❌ 304 |
| Budget < $50/kg | ✅ 201 |
| Pharma equipment | ❌ 316 |
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| ▢ Architectural ▢ Kitchenware ▢ Automotive ▢ Custom Fabrication |
Technical Support
FAQ Section:
Q: How to prevent 201 stainless steel from rusting?
A: Apply passivation treatment (Citric Acid 4% solution, 60°C, 20min)
Industry Reports:
- “Global 201 Stainless Demand to Grow 6.2% CAGR (2024-2030)” – Metal Bulletin
- “New Nano-coating Extends 201 SS Lifespan by 3X” – Materials Science Journal
Certifications Display:
[ISO 9001 Badge] [RoHS Compliant Logo] [ASTM A240 Certificate]