Type 201 stainless steel (UNS S 20100) is a low nickel, high-work hardening, austenitic chromium-nickel-manganese stainless steel that was developed to conserve nickel. It does not harden with heat treatment but can be work hardened to high tensile strengths. This alloy is also often polished for cosmetic applications.
Specifications
| Composition per ASTM A240 | |
|---|---|
| Carbon | .15 Max |
| Manganese | 5.5 - 7.5 |
| Phosphorus | .060 Max |
| Sulfur | .030 Max |
| Silicon | 1.00 Max |
| Chromium | 16.00 - 18.00 |
| Nickel | 3.50 - 5.50 |
| Nitrogen | .25 Max |
| Molybdenum | |
| Mechanical Properties (Annealed, Per ASTM A240) | |
| UTS | 75,000 ksi Min |
| Elongation % in 2" | 40.00 Min |
| Rockwell Hardness | RB95.00 Max |
* Tempered mechanical properties are available upon request.
201 Stainless steel is used in a variety of applications including
Kitchenware
- Pots
- Pans
- Flatware
- Counters
- Sinks
- Appliance components
Automotive
- Trim
- Moldings
- Wiper parts
- Fastener parts
Appliance
- Dishwashers
- Ovens
- Refrigerators
Hardware
- Hinges
- Doors
- Frames
- Roll formed sections
- Spring clips
Food processing
- Various equipment including conveyor belts
Magnetic properties: 201 stainless steel flat rolled coil is non-magnetic in the annealed condition but becomes magnetic when cold-worked. In some cases, 201 may be substituted for other higher nickel content alloys.
Forming: Type 201 stainless steel is formable to most shapes but will work-harden disallowing the most severe forming operations unless annealed prior to forming.
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