201 stainless steel is a low-nickel, high-manganese stainless steel that offers moderate strength, good ductility, corrosion resistance, weldability, magnetic properties, and heat resistance. It is a popular choice for various applications, including kitchen appliances, automotive trim, and industrial equipment, due to its unique properties.

201 Stainless Steel Properties

Strength: 201 stainless steel has moderate strength, making it suitable for applications that require moderate mechanical strength. It has a minimum tensile strength of 515 MPa and a minimum yield strength of 275 MPa.

Ductility: 201 stainless steel has good ductility, which means that it can be easily formed and shaped without cracking or breaking. This property makes it ideal for applications that require complex shapes or designs.

Corrosion Resistance: 201 stainless steel is known for its excellent corrosion resistance in mildly corrosive environments. It is resistant to rust and staining and is suitable for indoor and outdoor applications.

Weldability: 201 stainless steel is known for its good weldability, making it a popular choice for welding, brazing, and soldering. It can be welded using common welding techniques, such as TIG, MIG, and stick welding.

Magnetic Properties: 201 stainless steel is magnetic, which makes it suitable for applications that require magnetic properties.

Heat Resistance: 201 stainless steel has good heat resistance up to 760°C (1400°F). It can be used in high-temperature applications such as furnace parts, heat exchangers, and exhaust systems.

Chemical Composition


* Maximum, unless range is indicated

Mechanical Properties

Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA240

Yield Strength, min. (ksi)45
Tensile Strength, min. (ksi)95
Elongation, min. (%)40
Hardness, max. (Rb)100

Mechanical property requirements for cold worked flat rolled products as specified in ASTM A666

ConditionYield Strength
(ksi) min.
Tensile Strength
(ksi) min.
Elongation % min. in 2 in.
<0.015 in.≥0.015 in.
¼ Hard751252525
½ Hard1101501518
¾ Hard1351751012
Full Hard14018589

Physical Properties
Physical properties for Type 201 stainless steel

Density, lb/in30.283
Modulus of Elasticity, psi28.6 x 106
Coefficient of Thermal Expansion, 68-212˚F, /˚F9.2 x 10-6
Thermal Conductivity, Btu/ft hr ˚F9.4
Specific Heat, Btu/lb ˚F0.12
Electrical Resistivity, Microohm-in27.0

Typical standards for Type 201 stainless steel



201 stainless steel is used in a wide range of applications, including kitchen appliances, automotive trim, industrial equipment, and roofing. It is also used in food processing equipment due to its corrosion resistance and non-reactivity with food.

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