Alloy 201 Stainless Steel Plate: Comprehensive Analysis

I. Material Overview

Alloy 201 is an austenitic stainless steel belonging to the 200 series, specified in ASTM A240/A240M. It is designed as a cost-effective alternative to 300-series stainless steels, primarily substituting nickel with manganese and nitrogen to maintain austenitic structure. Key characteristics include:

 

Microstructure: Austenitic (face-centered cubic), non-magnetic in the annealed state but may become slightly magnetic after cold working.

Cost Advantage: Lower nickel content (1.5-5.5%) compared to 304 (8-10.5%), making it cheaper while retaining decent corrosion resistance and formability.

 

 

 

 

 

 

 

II.

Mechanical Properties (At Room Temperature)

Property	Typical Value	Significance
Tensile Strength	≥520 MPa (75 ksi)	High resistance to fracture, suitable for structural applications.
Yield Strength	≥275 MPa (40 ksi)	Onset of plastic deformation; higher than many carbon steels.
Elongation (%)	≥40	Excellent ductility for cold forming (e.g., stamping, bending).
Hardness (HB)	≤217	Relatively soft in annealed state, allowing easy machining.

 

 

 

 

 

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Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.

 

 

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