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Stainless Steel Aluminum Steel Copper & Brass
303 Stainless
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Other Designations: S30300, Austenitic, Non-Magnetic

Characteristics: Semi-smooth, dull grey finish.

Workability: Good candidate for machining techniques. Good corrosion resistance.


Specifications Bar Plate Processing
Specifications

Please Note:

Every effort has been made to ensure the reliability of the reported information, and is the result of a number of sources, including vendors and reference materials. Any use of the presented information is the user’s responsibility and is intended for educational purposes only.

Chemistry Data For 303 Stainless Steel a

Carbon (C)

Manganese (Mn)

Silicon(Si)

Chromium (Cr)
Nickel(Ni)
Phosphorus (P) 
Sulfur (S)
Other

0.15

2.0

1.0

17.0-19.0

8.0-10.0

0.20

0.15  (min)

Mo, 0.60b 

(a) Iron constitutes the remainder. Amounts indicated are maximums or ranges, unless indicated.
(b) Optional.

Mechanical Data for 303 Stainless Steel

Stainless Steel Type Minimum Tensile Strength (ksi) Minimum Yield Strength (0.2%, ksi) Hardnessc

303 Stainless Steel - Typical Valuesd

 85

35 

B83-B95 

(c) Rockwell Hardness
(d) Contains typical data for all shapes, and does not represent data for any specific shape.