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Stainless Steel Aluminum Steel Copper & Brass
304 Stainless
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Other Designations: S30400, Austenitic, Non-Magnetic

Additional Alloys: 304L (S30403, Extra Low Carbon)

Characteristics: Standard finish is semi-smooth, dull grey finish. Additional finishes available.

Workability: Good candidate for some processing techniques. Great corrosion resistance.


Specifications Bar Sheet/Plate Structural Tube/Pipe 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 304/304L Stainless Steel a

304 Stainless Steel 

Carbon (C)

Manganese (Mn)

Silicon(Si)

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

0.08

2.0

1.0

18.0-20.0

8.0-10.5

0.045

0.03

304L Stainless Steel

Carbon (C)

Manganese (Mn)

Silicon(Si)

Chromium (Cr)

Nickel(Ni)

Phosphorus (P) 
Sulfur (S)
Other 

0.03

2.0

1.0

18.0-20.0

8.0-10.5

0.045

0.03

-

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

Mechanical Data for 304/304L Stainless Steel

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

304 Stainless Steel - Typical Valuesc

75

30

88

304L Stainless Steel - Typical Valuesc

70

25

88

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