Carbon Steel Bar, 4' L, 4 1/2" W MPN:18f.312x4.5-48
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Free Shipping
In Stock
SKU
510-G306904689
Carbon Steel Bar, 4' L, 4 1/2" W
This carbon steel bar is ideal for a variety of applications, including construction, manufacturing, and DIY projects. Its cold-rolled fabrication and case-hardened heat treatment provide excellent strength and durability. With a yield strength of 54,000 psi and tensile strength of 80,000 psi, this bar can withstand heavy loads and resist deformation. Its polished finish also makes it suitable for applications where a smooth surface is required. Use it for building frames, supports, or other structural components, or as a raw material for machining into custom parts. Its versatility and strength make it a valuable addition to any project.
Top product features:
- Cold Rolled fabrication process
- Heat Treatable and Case-Hardened for increased durability
- Polished mechanical finish for reduced friction and improved machinability
Top product applications:
- Machine Building
- Automotive Repair
- Tool and Die Making
Carbon Steel Rectangular Bar, Material Carbon Steel, Material Grade 1018, Thickness 0.31 in, Thickness Tolerance 0 in/-0.008 in, Overall Length 4 ft, Overall Width 4 1/2 in, Fabrication Cold Rolled, Heat Treatable Heat Treatable, Heat Treatment Case-Hardened, Mechanical Finish Polished, Yield Strength 54,000 psi, Tensile Strength 80,000 psi, Brinell Hardness 70 BHN, Rockwell Hardness 39 HRC, Machinability 78 Percent, Standards ASTM A108, ASTM A29
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: 49.00
- Package Width: 5.00
- Package Height: 1.00
- Package Weight: 21.00
Product info last updated on February 3, 2026 3:26am UTC
Category: Carbon Steel