Description
International Standard Designations
| Country/Region | Standard Grade | Equivalent Designation |
|---|
| USA | ASTM A240 | UNS S20100 |
| Europe | EN 1.4372 | X12CrMnNiN17-7-5 |
| China | GB/T 20878 | 12Cr17Mn6Ni5N |
| India | IS 5528 | SS201 |
| Japan | JIS SUS 201 | - |
Chemical Composition (Weight %)
Carbon (C): ≤0.15%
Chromium (Cr): 16–18%
Nickel (Ni): 3.5–5.5%
Manganese (Mn): 5.5–7.5%
Silicon (Si): ≤1.0%
Nitrogen (N): ≤0.25%
Phosphorus (P): ≤0.06%
Sulfur (S): ≤0.03%
Iron (Fe): Balance
Key Properties
Physical:
Density: 7.8 g/cm³
Melting Point: 1.380–1.450°C
Thermal Conductivity: 16.2 W/m·K (at 20°C)
Electrical Resistivity: 0.78 μΩ·m
Mechanical (ASTM A240):
Tensile Strength: 515–760 MPa
Yield Strength: ≥275 MPa
Elongation: ≥40% (in 50mm)
Hardness: ≤95 HRB (Rockwell B)
Modulus of Elasticity: 200 GPa
Top 4 Advantages for Industrial Buyers
Cost Efficiency: Replaces 304 stainless steel in non-severe environments, reducing material costs by 15–20%.
Superior Formability: Easily fabricated into complex shapes via deep drawing, bending, or welding.
Aesthetic Versatility: Achieves mirror, brushed, or colored finishes for decorative applications.
Work Hardening: Enhanced strength through cold working (e.g., stamping, rolling).
Typical Applications
Architectural: Elevator panels, trim, handrails, and roofing.
Kitchenware: Sinks, cookware, cutlery, and dish racks.
Automotive: Decorative trims, exhaust components (non-coastal regions).
Consumer Goods: Refrigerator linings, washing machine drums, lighting fixtures.
Industrial: Storage racks, ventilation ducts, and signage.
FAQs for B2B Decision-Makers
Q1: How does 201 differ from 304 stainless steel?
A: 201 uses manganese and nitrogen to partially replace nickel, lowering costs but offering reduced corrosion resistance. Suitable for dry or low-chloride environments.
Q2: Can 201 stainless steel be used outdoors?
A: Limited to sheltered or low-humidity areas. Prolonged exposure to rain, salt, or pollution may cause surface rust.
Q3: Is 201 stainless steel magnetic?
A: Slightly magnetic due to manganese content, especially after cold working.
Q4: How to clean and maintain 201 stainless steel?
A: Use mild soap and water; avoid abrasive pads or chlorine-based cleaners. Dry surfaces after washing to prevent water spots.
Why Choose Us?
Certified Quality: ASTM, EN, and JIS compliance with Mill Test Certificates.
Custom Solutions: Sheets (0.3–6mm), coils, strips, and pre-cut blanks available.
Fast Global Delivery: 15–30 days lead time for bulk orders (≥3 tons).
Sustainability: 80% recycled content, fully recyclable.
