Alloy Steel Square Bar, 12" L, 1 3/8" W MPN:40S1.375-12
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Free Shipping
In Stock
SKU
510-G401917140
Alloy Steel Square Bar, 12" L, 1 3/8" W
This Alloy Steel Square Bar is a versatile and durable material ideal for a variety of applications, including construction, manufacturing, and repair projects. Its high strength-to-weight ratio and resistance to fatigue make it perfect for demanding uses such as machinery components, engine parts, and tooling. The 4140 grade alloy steel offers excellent machinability and can be heat treated for enhanced properties. With a yield strength of 60,000 psi and tensile strength of 95,000 psi, this square bar can withstand heavy loads and stresses. Its cold finished appearance and mill finish make it suitable for a range of industries and projects.
Top product features:
- Heat Treatable
- Cold Rolled
- Machinability 66 Percent
Top product applications:
- Machine Tooling
- Automotive and Aerospace Industries
- Construction and Infrastructure Projects
Alloy Steel Square Bar, Material Alloy Steel, Material Grade 4140, Thickness 1.38 in, Thickness Tolerance 0 in/-0.005 in, Overall Length 12 in, Overall Width 1 3/8 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 217 BHN, Rockwell Hardness Not Rated, Machinability 66 Percent, Standards ASTM A304, ASTM A322, ASTM A331, Appearance Cold Finished
Additional Information
- Country of Origin: ZZ
- 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: 13.00
- Package Width: 2.00
- Package Height: 2.00
- Package Weight: 8.00
Product info last updated on February 8, 2026 2:18am UTC
Category: Alloy Steel