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Flat Bar

CORTEN Flat Bar
ASTM A588 Flat Bars

When you are looking to purchase Corten flat bar it will be referred to as ASTM A588.

ASTM A588 covers high-strength low-alloy structural steel shapes, plates, and bars for welded, riveted, or bolted construction but intended primarily for use in welded bridges and buildings where savings in weight or added durability are important. The atmospheric corrosion resistance of this steel in most environments is substantially better than that of carbon structural steels with or without copper addition.

When properly exposed to the atmosphere, this steel is suitable for many applications in the bare (unpainted) condition.

ASTM A588 has a 50ksi minimum yield strength and a 70ksi minimum tensile strength

Stock lengths for A588 Flat Bar is 40’ or 20’ Sections. We can cut to length if required.

Corten Flat Bar is in stock with immediate availability.
Cor-ten flat bar is available in 1/4", 3/8", 1/2", 5/8", 3/4", 1" Thickness.

ASTM A588 flat bar is in stock @ 40’ or 20’ Sections. We can cut to length if required.
Corten flat bar sizes are listed in the graph below.
Requesting a quote is simple with our quick quote form located on this page.
Fill it out and get a delivered price.
Material can be shipped ANYWHERE immediately and inexpensively.

Corten flat bar does not arrive pre-rusted. Weathering steel will rust naturally when exposed to the weather.





WIDTH 1/4" 3/8" 1/2" 5/8" 3/4" 1"
FLT 1" x
FLT 1-1/4" x
FLT 1-1/2" x
FLT 2" x
FLT 2-1/2" x
FLT 3" x
FLT 3-1/2" x
FLT 4" x
FLT 5" x
FLT 6" x
FLT 7" x
FLT 8" x
FLT 9" x
FLT 10" x

= Normally in stock
Please inquire for sizes not shown
Standard Flat Bar Lengths available in 20' sections
Inquire about cutting to custom lengths

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Corten Flat Bars

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