0.625" Alloy Steel Round Bar 4340-Normalized Cold Finish MPN:7387_48_0
0.625" Alloy Steel Round Bar 4340-Normalized Cold Finish
This 0.625in Alloy Steel Round Bar is a high-performance material ideal for applications requiring exceptional strength and durability. Normalized and cold-finished, this 4340-grade steel offers a yield strength of 125,000 psi and a tensile strength of 186,000 psi, making it suitable for use in heavy machinery, aircraft components, and other high-stress applications. Its air-hardened finish and 50% machinability rating also make it a popular choice for manufacturing and fabrication projects. With a lead time of just 2 days, this alloy steel round bar is a reliable and efficient solution for a variety of industries and applications.
Top product features:
- Air-Hardened for increased hardness and durability
- Cold Rolled for precise control over the metal's microstructure
- Heat Treatable to allow for further strengthening and modification of the material's properties
Top product applications:
- Aerospace Industry used in the production of aircraft and aircraft parts due to its high strength-to-weight ratio and resistance to fatigue.
- Automotive Industry used in the production of high-performance engine components, such as crankshafts and camshafts, due to its high strength and durability.
- Heavy Machinery used in the production of heavy machinery, such as gears and shafts, due to its high strength and resistance to wear and tear.
Alloy Steel Rod, Material Alloy Steel, Material Grade 4340, Overall Length 4 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: 48.50
- Package Width: 3.50
- Package Height: 3.50
- Package Weight: 96.82
Product info last updated on January 18, 2026 1:16pm UTC
Category: Alloy Steel