Carbon Steel Square Bar, 12" L, 5/16" W MPN:45s.312-12
Carbon Steel Square Bar, 12" L, 5/16" W
This Carbon Steel Square Bar is a versatile and durable product, ideal for a variety of applications such as machinery, equipment, and construction projects. Its high strength-to-weight ratio makes it suitable for use in load-bearing and structural components. The bar's machinability and polish finish also make it a great choice for precision engineering and manufacturing. With a yield strength of 77,000 psi and tensile strength of 100,000 psi, this carbon steel square bar can withstand heavy use and harsh environments, ensuring a long-lasting and reliable performance. Its compact size and lightweight design make it easy to handle and transport.
Top product features:
- Cold Rolled fabrication provides a smooth surface finish
- Case-Hardened heat treatment allows for increased wear resistance
- Polished mechanical finish enhances machinability
Top product applications:
- Automotive parts manufacturing
- Machine building
- Structural reinforcement
Carbon Steel Square Bar, Material Carbon Steel, Material Grade 1045, Thickness 0.31 in, Thickness Tolerance -0.004 in, Overall Length 12 in, 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: 13.00
- Package Width: 1.00
- Package Height: 1.00
- Package Weight: 1.00
Product info last updated on April 12, 2026 2:27pm UTC
Category: Carbon Steel