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Stainless Steel 201 is an austenitic stainless in which part of the nickel found in 304 is replaced with manganese and nitrogen. The result is a lower-cost grade with higher strength than 304, good toughness at low temperatures and good formability for stamped, bent and drawn parts.
It is widely used for kitchen equipment, appliances, decorative tubing, furniture and architectural trim. Indoors its corrosion resistance is broadly comparable to 304, but it is more prone to pitting in salt water and to stress corrosion after welding, so keep it away from coastal or outdoor structural use.
We CNC mill and turn 201 from bar and plate when cost matters and the environment is mild. Like other austenitic grades it work hardens, so sharp tools and steady feeds give the best results. Upload your CAD file for an instant quote on 201 stainless steel parts, with delivery anywhere in the UK.
Material
Stainless Steel 201
Description
Strengths
Lead time 10 business days. Lower-cost austenitic stainless with high strength, good toughness at low temperature and good formability for stamped and bent parts.
Weaknesses
Pitting risk in salt water; stress corrosion risk after welding
Silver
Ultimate tensile strength
685 MPa
Yield strength
292 MPa
Modulus of elasticity
197 GPa
Elongation at break
56%
Density
7.86 g/cm³
Hardness
85 HRB
Corrosion resistance
Moderate (best indoors)
Melting range
1399–1454°C
UK equivalent
1.4372 (UNS S20100)
Maximum service temperature
Not specified
Thermal expansion coefficient
17 × 10⁻⁶ /K
Thermal conductivity
15 W/(m·K)
Electrical resistivity
Not specified
Weldability
Reasonable; passivate after welding
Recommended use
Indoor, low-corrosion environments
Kitchen equipment & appliances
Architectural panels & trim
Decorative & industrial tubes
Threaded fasteners
Values shown are typical supplier figures for Stainless Steel 201 and may vary with stock condition. Please confirm critical properties before production.
201 (1.4372) is an austenitic stainless with high strength. It work hardens when cut, so it machines more slowly than mild steel, much like 304.
201 is suitable for general stainless parts; thin sections may need care because of work hardening. Achievable tolerances depend on part size, geometry and features, so mark any critical tolerances on a 2D drawing with your upload and they will be reviewed and confirmed in your quote.
201 is usually supplied as machined or polished. Passivation after welding is recommended.
Typical uses include kitchen equipment and appliances, architectural panels and trim, decorative and industrial tubes and threaded fasteners, mainly in indoor, low-corrosion environments.
201 is a lower-cost austenitic grade for indoor use. 304 offers better corrosion resistance, and 316 is needed for marine or salt-water conditions, where 201 is prone to pitting.
The typical lead time shown for 201 stainless steel is 10 business days from an approved order. Quantity, finishing and any heat treatment can affect this, and your quote confirms the date before you order.
Parts in as fast as 10 business days
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