Flat Stock, Steel, 4140, 3/4 x 4 In, 6 Ft L MPN:40F.75X4-72
Flat Stock, Steel, 4140, 3/4 x 4 In, 6 Ft L
This 4140 alloy steel flat stock is ideal for heavy-duty applications requiring high strength and durability. With a yield strength of 60,000 psi and tensile strength of 95,000 psi, it can withstand significant stress and load. Its machinability of 66 percent makes it a versatile material for various fabrication projects, including machining, drilling, and cutting. Common applications include manufacturing tools, machinery components, and structural parts. Its annealed heat treatment ensures a smooth finish, while its cold-rolled fabrication provides a precise surface. Available in 6-foot lengths, this steel flat stock is perfect for industries requiring robust and reliable materials.
Top product features:
- Heat Treatable
- Machinability 66 Percent
- Cold Rolled Fabrication
Top product applications:
- Structural components in heavy machinery
- Machine tool components
- Frames and chassis for industrial equipment
Alloy Steel Rectangular Bar, Material Alloy Steel, Material Grade 4140, Thickness 0.75 in, Thickness Tolerance 0 in/-0.007 in, Overall Length 6 ft, Overall Width 4 in, Fabrication Cold Rolled, Heat Treatable Heat Treatable, Heat Treatment Annealed, Mechanical Finish Mill, Yield Strength 60,000 psi, Tensile Strength 95,000 psi, Brinell Hardness 187 BHN, Rockwell Hardness Not Rated, Machinability 66 Percent, Standards ASTM A304, ASTM A322, ASTM A331, Appearance Unpolished
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 3 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 72.00
- Package Width: 4.00
- Package Height: 0.80
- Package Weight: 62.00
Product info last updated on February 23, 2026 12:23pm UTC
Category: Alloy Steel