Carbon Steel Square Bar, 4 ft L, 3/8 in W MPN:45s.375-48
Carbon Steel Square Bar, 4 ft L, 3/8 in W
This 4 ft long, 3/8 in wide Carbon Steel Square Bar is ideal for a variety of applications, including machinery, equipment, and tooling. Made from high-strength 1045 grade carbon steel, it offers excellent durability and resistance to wear and tear. The bar's polished finish and heat treatable properties make it suitable for machining and fabrication. Its high yield and tensile strength ensure it can withstand heavy loads and stress. Perfect for use in the manufacturing, construction, and automotive industries, this carbon steel square bar is a versatile and reliable choice for any project.
Top product features:
- Cold Rolled fabrication process
- Case-Hardened heat treatment
- Polished mechanical finish
Top product applications:
- Structural Framing
- Machine Building
- Tool and Die Making
Carbon Steel Square Bar, Material Carbon Steel, Material Grade 1045, Thickness 0.38 in, Thickness Tolerance -0.004 in, Overall Length 4 ft, Overall Width 3/8 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: 3.00
Product info last updated on February 5, 2026 11:18pm UTC
Category: Carbon Steel