Carbon Steel Square Bar, 6' L, 2 1/2" W MPN:45s2.5-72
Carbon Steel Square Bar, 6' L, 2 1/2" W
This carbon steel square bar is a versatile and durable material ideal for a wide range of applications, including construction, manufacturing, and fabrication. Its high yield strength and tensile strength make it suitable for use in heavy-duty applications, while its machinability and polish finish make it easy to work with. The bar's case-hardened heat treatment provides added durability and resistance to wear and tear. With its high Brinell hardness and Rockwell hardness, this carbon steel square bar is perfect for use in heavy machinery, equipment, and tools, as well as in construction and infrastructure projects.
Top product features:
- Heat Treatable
- Case-Hardened
- Polished
Top product applications:
- Structural Support for Buildings
- Machine Parts and Components
- Heavy-Duty Equipment Mounting
Carbon Steel Square Bar, Material Carbon Steel, Material Grade 1045, Thickness 2.5 in, Thickness Tolerance -0.006 in, Overall Length 6 ft, Overall Width 2 1/2 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: 73.00
- Package Width: 3.00
- Package Height: 3.00
- Package Weight: 130.00
Product info last updated on February 23, 2026 3:33am UTC
Category: Carbon Steel