0.4375" Alloy Steel Round Bar 4130-Normalized Cold Finish MPN:7362_36_0
0.4375" Alloy Steel Round Bar 4130-Normalized Cold Finish
This 0.4375in Alloy Steel Round Bar is a high-strength, low-alloy steel ideal for applications requiring high tensile strength and resistance to fatigue. Normalized and cold-finished, this 4130 alloy steel rod offers excellent machinability and a smooth surface finish. With a yield strength of 63,000 psi and a tensile strength of 97,000 psi, it's perfect for use in aircraft, automotive, and construction industries, as well as in the production of gears, shafts, and other mechanical components. Its air-hardened heat treatment ensures durability and reliability, making it a valuable addition to any project requiring high-strength steel.
Top product features:
- Heat treatable
- Air-hardened for increased durability
- Machinable to a Rockwell Hardness of 92 HRB
Top product applications:
- Structural components for aircraft and automotive industries
- Machine parts requiring high strength-to-weight ratio
- High-stress applications such as gears and shafts
Alloy Steel Rod, Material Alloy Steel, Material Grade 4130, Overall Length 36 in, Heat Treatable Heat Treatable, Heat Treatment Air-Hardened, Mechanical Finish Mill, Outside Diameter 7/16 in, Outside Diameter Tolerance +/-0.004 in, Yield Strength 63,000 psi, Fabrication Cold Rolled, Rockwell Hardness 92 HRB, Brinell Hardness 197 BHN, Machinability Not Rated, Tensile Strength 97,000 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: 24.50
- Package Width: 2.88
- Package Height: 2.88
- Package Weight: 30.58
Product info last updated on May 3, 2026 10:18am UTC
Category: Alloy Steel