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Alloy Steel Sheets & Plates

Available196 products
Alloy steel sheets and plates are solid and flat with no surface texture. Plates have a thickness of ¼” (6mm) or more, while sheets are less than ¼” (6mm) thick. They are available in different material grades that provide distinct levels of strength and wear properties for specific applications.

General Purpose 4130 Alloy Steel Sheets & Plates

General Purpose 4130 Alloy Steel Sheets & Plates
Grade 4130 alloy steel sheets and plates 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.

12 in x 12 in

Cold Finished Fabrication

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Hot Rolled Fabrication

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12 in x 24 in

Cold Finished Fabrication

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Hot Rolled Fabrication

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12 in x 36 in

Cold Finished Fabrication

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24 in x 24 in

Cold Finished Fabrication

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Hot Rolled Fabrication

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24 in x 36 in

Cold Finished Fabrication

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36 in x 36 in

Cold Finished Fabrication

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Hot Rolled Fabrication

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High-Strength 4140 Alloy Steel Sheets & Plates

High-Strength 4140 Alloy Steel Sheets & Plates
Grade 4140 alloy steel sheets and plates contain chromium for improved corrosion and wear resistance properties in addition to molybdenum to resist high temperatures and cracking. These sheets are easy to weld and are 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.

12 in x 12 in

Cold Finished Fabrication

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Wear-Resistant 4142 Alloy Steel Sheets & Plates

Wear-Resistant 4142 Alloy Steel Sheets & Plates
Grade 4142 alloy steel sheets and plates contain chromium for improved corrosion and wear resistance properties in addition to molybdenum to resist high temperatures and cracking. These pre-hardened sheets and plates 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.

8 in x 18 in

Hot Rolled

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8 in x 36 in

Hot Rolled

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10 in x 18 in

Hot Rolled

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10 in x 36 in

Hot Rolled

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Wear- & Corrosion-Resistant 4340 Alloy Steel Sheets and Plates

Wear- & Corrosion-Resistant 4340 Alloy Steel Sheets and Plates

Grade 4340 alloy steel sheets and plates resist fatigue and wear and maintain their shape at elevated temperatures. They are easy to weld and machine and are often manufactured into crankshafts, gear shafts, and other automotive and aircraft parts and components. Additional applications include hydraulic parts and machine tools. 

12 in x 12 in

Hot Rolled Fabrication

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12 in x 24 in

Hot Rolled Fabrication

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12 in x 36 in

Hot Rolled Fabrication

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12 in x 4 ft

Hot Rolled Fabrication

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18 in x 18 in

Hot Rolled Fabrication

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24 in x 24 in

Hot Rolled Fabrication

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24 in x 36 in

Hot Rolled Fabrication

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24 in x 4 ft

Hot Rolled Fabrication

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36 in x 36 in

Hot Rolled Fabrication

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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.