Alloy Steel Flat Bars

Available252 products
Alloy steel flat bars have rectangular or square cross sections. They are hot or cold rolled and available in different material grades with distinct levels of strength and wear resistance properties for specific applications.
Overall Length

General Purpose 4130 Alloy Steel Flat Bars

General Purpose 4130 Alloy Steel Flat Bars
Grade 4130 alloy steel flat bars resist impacts, abrasion, and have a high degree of strength. They are easy to machine and weld and are often manufactured into automotive and aerospace parts and components, fasteners, and structural pieces.

6 in x 12 in Nominal Size (WxL)

Cold Finished

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Hot Rolled

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6 in x 36 in Nominal Size (WxL)

Cold Finished

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Hot Rolled

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High-Strength 4140 Alloy Steel Flat Bars

High-Strength 4140 Alloy Steel Flat Bars
Grade 4140 alloy steel flat bars contain chromium for improved corrosion and wear resistance properties in addition to molybdenum to resist high temperatures and cracking. These bars are flat, easy to weld, and often manufactured into automotive and aerospace components, shafts, gears, axles, and other parts under continual stress. Grade 4140 is also known as chrome-moly and Chromoly steel.

3/8 in x 6 in Nominal Size (WxL)

Cold Finished

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3/8 in x 12 in Nominal Size (WxL)

Cold Finished

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3/8 in x 24 in Nominal Size (WxL)

Cold Finished

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3/8 in x 36 in Nominal Size (WxL)

Cold Finished

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3/8 in x 6 ft Nominal Size (WxL)

Cold Finished

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1/2 in x 12 in Nominal Size (WxL)

Cold Finished

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1/2 in x 24 in Nominal Size (WxL)

Cold Finished

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1/2 in x 36 in Nominal Size (WxL)

Cold Finished

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1/2 in x 6 ft Nominal Size (WxL)

Cold Finished

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1/2 in x 6 in Nominal Size (WxL)

Cold Finished

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5/8 in x 6 in Nominal Size (WxL)

Cold Finished

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5/8 in x 12 in Nominal Size (WxL)

Cold Finished

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5/8 in x 24 in Nominal Size (WxL)

Cold Finished

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5/8 in x 36 in Nominal Size (WxL)

Cold Finished

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5/8 in x 6 ft Nominal Size (WxL)

Cold Finished

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9/16 in x 12 in Nominal Size (WxL)

Cold Finished

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9/16 in x 24 in Nominal Size (WxL)

Cold Finished

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9/16 in x 36 in Nominal Size (WxL)

Cold Finished

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9/16 in x 6 ft Nominal Size (WxL)

Cold Finished

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9/16 in x 6 in Nominal Size (WxL)

Cold Finished

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3/4 in x 6 in Nominal Size (WxL)

Cold Finished

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3/4 in x 12 in Nominal Size (WxL)

Cold Finished

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3/4 in x 24 in Nominal Size (WxL)

Cold Finished

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3/4 in x 36 in Nominal Size (WxL)

Cold Finished

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3/4 in x 6 ft Nominal Size (WxL)

Cold Finished

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7/8 in x 6 in Nominal Size (WxL)

Cold Finished

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7/8 in x 12 in Nominal Size (WxL)

Cold Finished

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7/8 in x 24 in Nominal Size (WxL)

Cold Finished

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7/8 in x 36 in Nominal Size (WxL)

Cold Finished

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7/8 in x 6 ft Nominal Size (WxL)

Cold Finished

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1 in x 6 in Nominal Size (WxL)

Cold Finished

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1 in x 12 in Nominal Size (WxL)

Cold Finished

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1 in x 24 in Nominal Size (WxL)

Cold Finished

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1 in x 36 in Nominal Size (WxL)

Cold Finished

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1 in x 6 ft Nominal Size (WxL)

Cold Finished

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1-1/8 in x 12 in Nominal Size (WxL)

Cold Finished

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1-1/8 in x 24 in Nominal Size (WxL)

Cold Finished

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1-1/4 in x 6 in Nominal Size (WxL)

Cold Finished

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1-1/8 in x 6 ft Nominal Size (WxL)

Cold Finished

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1-1/8 in x 6 in Nominal Size (WxL)

Cold Finished

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1-1/8 in x 36 in Nominal Size (WxL)

Cold Finished

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1-1/4 in x 12 in Nominal Size (WxL)

Cold Finished

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1-1/4 in x 24 in Nominal Size (WxL)

Cold Finished

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1-1/4 in x 36 in Nominal Size (WxL)

Cold Finished

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1-1/4 in x 6 ft Nominal Size (WxL)

Cold Finished

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1-3/8 in x 6 in Nominal Size (WxL)

Cold Finished

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1-3/8 in x 12 in Nominal Size (WxL)

Cold Finished

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1-3/8 in x 24 in Nominal Size (WxL)

Cold Finished

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1-3/8 in x 36 in Nominal Size (WxL)

Cold Finished

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1-3/8 in x 6 ft Nominal Size (WxL)

Cold Finished

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1-1/2 in x 12 in Nominal Size (WxL)

Cold Finished

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1-1/2 in x 6 in Nominal Size (WxL)

Cold Finished

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1-1/2 in x 24 in Nominal Size (WxL)

Cold Finished

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1-1/2 in x 36 in Nominal Size (WxL)

Cold Finished

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1-1/2 in x 6 ft Nominal Size (WxL)

Cold Finished

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1-3/4 in x 6 in Nominal Size (WxL)

Cold Finished

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1-3/4 in x 12 in Nominal Size (WxL)

Cold Finished

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1-3/4 in x 24 in Nominal Size (WxL)

Cold Finished

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1-3/4 in x 36 in Nominal Size (WxL)

Cold Finished

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1-3/4 in x 6 ft Nominal Size (WxL)

Cold Finished

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2 in x 3 in Nominal Size (WxL)

Cold Finished

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2 in x 6 in Nominal Size (WxL)

Cold Finished

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2 in x 11.75 in Nominal Size (WxL)

Hot Rolled

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2 in x 12 in Nominal Size (WxL)

Cold Finished

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2 in x 24 in Nominal Size (WxL)

Cold Finished

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2 in x 36 in Nominal Size (WxL)

Cold Finished

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2 in x 6 ft Nominal Size (WxL)

Cold Finished

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2-1/4 in x 3 in Nominal Size (WxL)

Cold Finished

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2-1/4 in x 6 in Nominal Size (WxL)

Cold Finished

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2-1/4 in x 12 in Nominal Size (WxL)

Cold Finished

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2-1/4 in x 24 in Nominal Size (WxL)

Cold Finished

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2-1/4 in x 36 in Nominal Size (WxL)

Cold Finished

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2-1/4 in x 6 ft Nominal Size (WxL)

Cold Finished

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2-1/2 in x 24 in Nominal Size (WxL)

Cold Finished

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2-1/2 in x 12 in Nominal Size (WxL)

Cold Finished

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2-1/2 in x 6 ft Nominal Size (WxL)

Cold Finished

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2-1/2 in x 3 in Nominal Size (WxL)

Cold Finished

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2-1/2 in x 36 in Nominal Size (WxL)

Cold Finished

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2-1/2 in x 6 in Nominal Size (WxL)

Cold Finished

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2-3/4 in x 3 in Nominal Size (WxL)

Cold Finished

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2-3/4 in x 6 in Nominal Size (WxL)

Cold Finished

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2-3/4 in x 12 in Nominal Size (WxL)

Cold Finished

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2-3/4 in x 24 in Nominal Size (WxL)

Cold Finished

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2-3/4 in x 36 in Nominal Size (WxL)

Cold Finished

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2-3/4 in x 6 ft Nominal Size (WxL)

Cold Finished

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3 in x 3 in Nominal Size (WxL)

Cold Finished

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3 in x 4 in Nominal Size (WxL)

Cold Finished

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3 in x 3.5 in Nominal Size (WxL)

Cold Finished

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3 in x 6 in Nominal Size (WxL)

Cold Finished

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3 in x 12 in Nominal Size (WxL)

Cold Finished

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3 in x 24 in Nominal Size (WxL)

Cold Finished

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3 in x 36 in Nominal Size (WxL)

Cold Finished

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3 in x 6 ft Nominal Size (WxL)

Cold Finished

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3-1/2 in x 6 in Nominal Size (WxL)

Cold Finished

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3-1/2 in x 24 in Nominal Size (WxL)

Cold Finished

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3-1/2 in x 12 in Nominal Size (WxL)

Cold Finished

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3-1/2 in x 36 in Nominal Size (WxL)

Cold Finished

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3-1/2 in x 6 ft Nominal Size (WxL)

Cold Finished

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4 in x 6 in Nominal Size (WxL)

Cold Finished

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4 in x 11.75 in Nominal Size (WxL)

Hot Rolled

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4 in x 12 in Nominal Size (WxL)

Cold Finished

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4 in x 24 in Nominal Size (WxL)

Cold Finished

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4 in x 36 in Nominal Size (WxL)

Cold Finished

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4 in x 6 ft Nominal Size (WxL)

Cold Finished

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5 in x 24 in Nominal Size (WxL)

Cold Finished

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5 in x 12 in Nominal Size (WxL)

Cold Finished

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5 in x 36 in Nominal Size (WxL)

Cold Finished

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5 in x 6 ft Nominal Size (WxL)

Cold Finished

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5 in x 6 in Nominal Size (WxL)

Cold Finished

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5-3/4 in x 6 in Nominal Size (WxL)

Hot Rolled

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6 in x 11.75 in Nominal Size (WxL)

Hot Rolled

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6 in x 12 in Nominal Size (WxL)

Cold Finished

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6 in x 24 in Nominal Size (WxL)

Cold Finished

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6 in x 36 in Nominal Size (WxL)

Cold Finished

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6 in x 6 ft Nominal Size (WxL)

Cold Finished

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Wear-Resistant 4142 Alloy Steel Flat Bars

Wear-Resistant 4142 Alloy Steel Flat Bars
Grade 4142 alloy steel flat bars contain chromium for improved corrosion and wear resistance properties in addition to molybdenum to resist high temperatures and cracking. These pre-hardened flat bars are easy to weld and are often manufactured into cams, shafts, gears, axles, sprockets, and machining parts and components under continual stress. Grade 4142 is also known as chrome-moly steel.

3/16 in x 18 in Nominal Size (WxL)

Hot Rolled

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3/16 in x 36 in Nominal Size (WxL)

Hot Rolled

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1/4 in x 18 in Nominal Size (WxL)

Hot Rolled

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1/4 in x 36 in Nominal Size (WxL)

Hot Rolled

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5/16 in x 18 in Nominal Size (WxL)

Hot Rolled

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5/16 in x 36 in Nominal Size (WxL)

Hot Rolled

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5/16 in x 6 ft Nominal Size (WxL)

Hot Rolled

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3/8 in x 18 in Nominal Size (WxL)

Hot Rolled

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3/8 in x 36 in Nominal Size (WxL)

Hot Rolled

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3/8 in x 6 ft Nominal Size (WxL)

Hot Rolled

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1/2 in x 18 in Nominal Size (WxL)

Hot Rolled

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1/2 in x 36 in Nominal Size (WxL)

Hot Rolled

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1/2 in x 6 ft Nominal Size (WxL)

Hot Rolled

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3/4 in x 18 in Nominal Size (WxL)

Hot Rolled

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3/4 in x 36 in Nominal Size (WxL)

Hot Rolled

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3/4 in x 6 ft Nominal Size (WxL)

Hot Rolled

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1 in x 6 in Nominal Size (WxL)

Hot Rolled

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1 in x 12 in Nominal Size (WxL)

Hot Rolled

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1 in x 18 in Nominal Size (WxL)

Hot Rolled

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1 in x 24 in Nominal Size (WxL)

Hot Rolled

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1 in x 36 in Nominal Size (WxL)

Hot Rolled

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1 in x 6 ft Nominal Size (WxL)

Hot Rolled

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1-1/4 in x 18 in Nominal Size (WxL)

Hot Rolled

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1-1/4 in x 36 in Nominal Size (WxL)

Hot Rolled

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1-1/4 in x 6 ft Nominal Size (WxL)

Hot Rolled

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1-1/2 in x 12 in Nominal Size (WxL)

Hot Rolled

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5/8 in x 18 in Nominal Size (WxL)

Hot Rolled

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5/8 in x 36 in Nominal Size (WxL)

Hot Rolled

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1-1/2 in x 18 in Nominal Size (WxL)

Hot Rolled

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1-1/2 in x 24 in Nominal Size (WxL)

Hot Rolled

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1-1/2 in x 36 in Nominal Size (WxL)

Hot Rolled

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1-1/2 in x 6 ft Nominal Size (WxL)

Hot Rolled

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1-1/2 in x 6 in Nominal Size (WxL)

Hot Rolled

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1-3/4 in x 18 in Nominal Size (WxL)

Hot Rolled

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1-3/4 in x 36 in Nominal Size (WxL)

Hot Rolled

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2 in x 6 in Nominal Size (WxL)

Hot Rolled

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2 in x 12 in Nominal Size (WxL)

Hot Rolled

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2 in x 18 in Nominal Size (WxL)

Hot Rolled

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2 in x 24 in Nominal Size (WxL)

Hot Rolled

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2 in x 36 in Nominal Size (WxL)

Hot Rolled

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2 in x 6 ft Nominal Size (WxL)

Hot Rolled

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2-1/2 in x 6 in Nominal Size (WxL)

Hot Rolled

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2-1/2 in x 12 in Nominal Size (WxL)

Hot Rolled

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2-1/2 in x 18 in Nominal Size (WxL)

Hot Rolled

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2-1/2 in x 24 in Nominal Size (WxL)

Hot Rolled

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2-1/2 in x 36 in Nominal Size (WxL)

Hot Rolled

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2-1/2 in x 6 ft Nominal Size (WxL)

Hot Rolled

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2-3/4 in x 18 in Nominal Size (WxL)

Hot Rolled

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2-3/4 in x 36 in Nominal Size (WxL)

Hot Rolled

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2-3/4 in x 6 ft Nominal Size (WxL)

Hot Rolled

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3 in x 6 in Nominal Size (WxL)

Hot Rolled

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3 in x 12 in Nominal Size (WxL)

Hot Rolled

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3 in x 18 in Nominal Size (WxL)

Hot Rolled

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3 in x 24 in Nominal Size (WxL)

Hot Rolled

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3 in x 36 in Nominal Size (WxL)

Hot Rolled

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3 in x 6 ft Nominal Size (WxL)

Hot Rolled

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3-1/2 in x 18 in Nominal Size (WxL)

Hot Rolled

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3-1/2 in x 36 in Nominal Size (WxL)

Hot Rolled

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3-3/4 in x 18 in Nominal Size (WxL)

Hot Rolled

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3-3/4 in x 36 in Nominal Size (WxL)

Hot Rolled

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4 in x 18 in Nominal Size (WxL)

Hot Rolled

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4 in x 36 in Nominal Size (WxL)

Hot Rolled

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4 in x 6 ft Nominal Size (WxL)

Hot Rolled

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5 in x 18 in Nominal Size (WxL)

Hot Rolled

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5 in x 36 in Nominal Size (WxL)

Hot Rolled

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5 in x 6 ft Nominal Size (WxL)

Hot Rolled

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6 in x 18 in Nominal Size (WxL)

Hot Rolled

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6 in x 36 in Nominal Size (WxL)

Hot Rolled

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6 in x 6 ft Nominal Size (WxL)

Hot Rolled

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.
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