0.625" Alloy Steel Round Bar 4340-Normalized Cold Finish MPN:7387_72_0
0.625" Alloy Steel Round Bar 4340-Normalized Cold Finish
This 0.625in Alloy Steel Round Bar is a high-strength, heat-treatable material ideal for applications where extreme durability and resistance to wear are required. With a yield strength of 125,000 psi and tensile strength of 186,000 psi, it is suitable for heavy-duty machinery and equipment, such as axles, gears, and engine components. Its air-hardened finish provides a high level of hardness and resistance to deformation, making it an excellent choice for applications in the aerospace, automotive, and industrial manufacturing sectors. Its machinability and cold finish also make it a popular choice for prototyping and production runs.
Top product features:
- Air-Hardened for increased durability and resistance to wear
- Cold Rolled for precise mechanical finish and improved machinability
- Heat Treatable for enhanced strength and resistance to deformation
Top product applications:
- Aerospace Industry
- Heavy Machinery Manufacturing
- Automotive Parts Production
Alloy Steel Rod, Material Alloy Steel, Material Grade 4340, Overall Length 6 ft, Heat Treatable Heat Treatable, Heat Treatment Air-Hardened, Mechanical Finish Mill, Outside Diameter 5/8 in, Outside Diameter Tolerance +/-0.004 in, Yield Strength 125,000 psi, Fabrication Cold Rolled, Rockwell Hardness 100 HRC, Brinell Hardness 363 BHN, Machinability 50 Percent, Tensile Strength 186,000 psi, Includes Material Certificate Material Certificate with Lot Number
Additional Information
- Country of Origin: ZZ
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 2 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 72.50
- Package Width: 3.50
- Package Height: 3.50
- Package Weight: 144.98
Product info last updated on March 17, 2026 11:58am UTC
Category: Alloy Steel