Flat, Steel, 4140, 3/8 x 1 In, 1 Ft L MPN:40F.375X1-12
Flat, Steel, 4140, 3/8 x 1 In, 1 Ft L
This 4140 alloy steel rectangular bar is a versatile and durable material, ideal for a wide range of applications. Its high strength-to-weight ratio and resistance to fatigue make it perfect for use in construction, manufacturing, and engineering projects. The bar's flat, steel design allows for easy fabrication and machining, while its heat treatable properties enable it to be customized for specific needs. With a yield strength of 60,000 psi and tensile strength of 95,000 psi, this bar is suitable for demanding applications such as machinery, tools, and equipment. Its compact size and lightweight design make it easy to handle and store.
Top product features:
- Cold Rolled fabrication provides a smooth surface for machining and finishing.
- Heat Treatable allows for the steel to be hardened for increased strength and durability.
- Machinability of 66 Percent indicates the steel can be easily machined for precise fabrication.
Top product applications:
- Structural components
- Machine parts
- Aerospace components
Alloy Steel Rectangular Bar, Material Alloy Steel, Material Grade 4140, Thickness 0.38 in, Thickness Tolerance 0 in/-0.007 in, Overall Length 12 in, Overall Width 1 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 241 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: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 12.00
- Package Width: 1.00
- Package Height: 0.40
- Package Weight: 1.26
Product info last updated on February 1, 2026 9:30pm UTC
Category: Alloy Steel