ASTM A240 304 Stainless Steel Plate

A.K.A: Stainless Plate

ASTM: ASTM A240 (Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate,

Sheet, and Strip for Pressure Vessels and for General Applications.)

Alloy: 304

Characteristics: Semi-smooth, dull grey finish. Sharp or defined edges. Accurate dimensions

throughout length.

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

Applications: Base plates, Brackets, Gussets, Structural Support

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.