1.625" Alloy Steel Round Bar 4340-Normalized Cold Finish MPN:7397_36_0
1.625" Alloy Steel Round Bar 4340-Normalized Cold Finish
This 1.625in Alloy Steel Round Bar is precision-crafted from high-strength 4340 alloy steel, ideal for applications requiring superior toughness and resistance to fatigue. Normalized and cold-finished for excellent machinability, this bar can be heat-treated for enhanced strength and hardness. Suitable for use in aerospace, automotive, and heavy machinery industries, it's perfect for manufacturing engine components, gears, shafts, and other critical parts. With a yield strength of 125,000 psi and tensile strength of 186,000 psi, this alloy steel bar delivers exceptional performance and reliability, ensuring a long lifespan and reduced maintenance needs.
Top product features:
- Air-Hardened for increased strength and durability
- Has a Rockwell Hardness of 100 HRC for resistance to wear and tear
- Machinability of 50 Percent for efficient and precise cutting and shaping
Top product applications:
- Heavy machinery components
- Gear and shaft applications
- Aerospace industry components
Alloy Steel Rod, Material Alloy Steel, Material Grade 4340, Overall Length 36 in, Heat Treatable Heat Treatable, Heat Treatment Air-Hardened, Mechanical Finish Mill, Outside Diameter 1 5/8 in, Outside Diameter Tolerance +/-0.015625 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: 36.50
- Package Width: 2.38
- Package Height: 2.38
- Package Weight: 28.52
Product info last updated on March 23, 2026 9:02am UTC
Category: Alloy Steel