1.875" Alloy Steel Round Bar 4340-Normalized Cold Finish MPN:7399_24_0
1.875" Alloy Steel Round Bar 4340-Normalized Cold Finish
This 1.875in Alloy Steel Round Bar 4340-Normalized Cold Finish is a versatile and high-strength material ideal for a variety of applications. Suitable for use in the aerospace, automotive, and construction industries, this alloy steel rod offers exceptional hardness and durability. Its normalized cold finish ensures a smooth surface for machining, while its air-hardened heat treatment provides a consistent and reliable performance. With a yield strength of 125,000 psi and a tensile strength of 186,000 psi, this material is perfect for demanding applications such as shafts, gears, and other high-stress components.
Top product features:
- Air-Hardened for increased hardness and durability
- Cold Finish for improved machinability and surface finish
- Heat Treatable for enhanced strength and toughness
Top product applications:
- Crankshafts
- Heavy-duty axles
- High-strength bolts and fasteners
Alloy Steel Rod, Material Alloy Steel, Material Grade 4340, Overall Length 24 in, Heat Treatable Heat Treatable, Heat Treatment Air-Hardened, Mechanical Finish Mill, Outside Diameter 1 7/8 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: 24.50
- Package Width: 0.81
- Package Height: 0.81
- Package Weight: 1.02
Product info last updated on January 23, 2026 8:14am UTC
Category: Alloy Steel