Carbon Steel Square Bar, 4 ft L, 5/16 in W MPN:45s.312-48
Carbon Steel Square Bar, 4 ft L, 5/16 in W
Get the strength and durability you need with the GoVets Select Carbon Steel Square Bar. This 4 ft long, 5/16 in wide bar is made from high-quality 1045 carbon steel, perfect for a variety of applications including machinery, equipment, and construction projects. Its cold rolled fabrication and case-hardened heat treatment provide exceptional strength and hardness, with a yield strength of 77,000 psi and tensile strength of 100,000 psi. Ideal for welding, machining, and fabricating, this square bar is a versatile choice for professionals and hobbyists alike, suitable for use in manufacturing, repair, and DIY projects.
Top product features:
- Cold Rolled fabrication process for increased strength and durability
- Case-Hardened heat treatment for improved wear resistance
- Polished mechanical finish for reduced friction and improved machinability
Top product applications:
- Structural framing in construction
- Machine building and repair
- Tooling and jig making
Carbon Steel Square Bar, Material Carbon Steel, Material Grade 1045, Thickness 0.31 in, Thickness Tolerance -0.004 in, Overall Length 4 ft, Overall Width 5/16 in, Fabrication Cold Rolled, Heat Treatable Heat Treatable, Heat Treatment Case-Hardened, Mechanical Finish Polished, Yield Strength 77,000 psi, Tensile Strength 100,000 psi, Brinell Hardness 90 BHN, Rockwell Hardness 43 HRC, Machinability 64 Percent, Standards ASTM A108, ASTM A29
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: 49.00
- Package Width: 1.00
- Package Height: 1.00
- Package Weight: 2.00
Product info last updated on February 6, 2026 11:38pm UTC
Category: Carbon Steel