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304 Stainless Steel Square Tube

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.

AED stocks several sizes of round (seamless and welded) and square 304 stainless tubes. Meets ASTM A269, A249, A213, and others. We also stock 3 sizes of a 304 welded round tube with a rich polished finish, with the appearance of chrome; used for nerf bars and other applications. Designated in our size listing as “linear-buffed” (LB) and “super buffed” (SB).

Typical Mechanical Properties – 304 Tube:

304 Annealed 304L Annealed
Tensile Strength (psi) 85,000 80,000
Yield Point (psi) 35,000 30,000
Elongation % in 2″ 55 55
Rockwell Hardness RB 85 RB 75

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.

SSquare Tube Diagramtocked in random lengths, 20-24 feet; cut pieces available. Other dimensions available upon request.

OUTSIDE DIMENSIONS IN INCHES
(THICKNESS X WIDTH)
WALL THICKNESS WEIGHT/FOOT (LBS)
.500 X 1.00 .065 .6055
1.00 X 1.00 .065 .8265
1.00 X 2.00 .065 1.269
1.50 X 1.50 .065 1.268
2.00 x 2.00 .065 1.710