3.5" Alloy Steel Round Bar 4130-Normalized Cold Finish MPN:15978_72_0
3.5" Alloy Steel Round Bar 4130-Normalized Cold Finish
This 3.5in Alloy Steel Round Bar is a high-strength, heat-treatable material ideal for applications requiring high tensile strength and toughness. Its normalized cold finish provides a smooth surface for machining, making it suitable for use in a variety of industries such as aerospace, automotive, and construction. The alloy steel's high yield strength and machinability make it perfect for creating complex parts and components. Its air-hardened heat treatment ensures durability and resistance to wear and tear, making it an excellent choice for applications where high strength and reliability are critical. Ideal for fabrication and machining.
Top product features:
- Heat treatable for high strength applications
- Air-hardened for precise control over hardness levels
- Can withstand tensile strength of 97,000 psi
Top product applications:
- Aerospace engineering
- Automotive suspension and steering components
- High-performance machinery components
Alloy Steel Rod, Material Alloy Steel, Material Grade 4130, Overall Length 6 ft, Heat Treatable Heat Treatable, Heat Treatment Air-Hardened, Mechanical Finish Mill, Outside Diameter 3 1/2 in, Outside Diameter Tolerance +/-0.006 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: 72.50
- Package Width: 4.00
- Package Height: 4.00
- Package Weight: 195.80
Product info last updated on January 18, 2026 1:25pm UTC
Category: Alloy Steel