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304 Stainless Steel Sheet

304 is in the “Austenitic” group (or chrome-nickel series) of stainless steels. It is not hardenable by heat-treatment and it is not magnetic. Hardness is accomplished by cold-working, which may create some magnetism). Tougher and more ductile than most ordinary steels, 304 (and other austenitic), also has excellent mechanical properties and weldability and good corrosion resistance.

Typical Mechanical Properties – 304 Sheet:

304 ANN
Tensile Strength (psi) 100,000 max
Yield Point (psi) 40,000
Elongation % in 2″ 40 min
Rockwell Hardness RB-85

Note: “Typical Mechanical Properties” listed in this catalog have been compiled from a variety of sources. Information is deemed reliable, but not guaranteed. Data is provided for information only, NOT FOR DESIGN PURPOSES.

SSheet Diagramtocked in full sheets, generally 48 x 120; cut pieces available.

AED stocks 304 stainless sheet in a variety of thicknesses, primarily in the #4 finish, (which is a polished or “brushed” finish). The “polished” finish does NOT refer to a “mirror-type” finish. See 430 Bright Annealed (below) for “mirror” finish. Mill finish available on thicker gages. Meets ASTM A240 and others.

GRADE FINISH THICKNESS WEIGHT/ SQUARE FOOT (LBS)
304 Mill Finish .024 1.008
304 Polished .036 1.512
304 Polished .048 2.016
304 Polished .063 2.520
304 Mill Finish .120 5.040