Alloy Steel Rod, 12 in L, 3 in Dia. MPN:40r3-12
Alloy Steel Rod, 12 in L, 3 in Dia.
This 12-inch long, 3-inch diameter alloy steel rod is ideal for heavy-duty applications that require high strength and durability. Made from heat treatable 4140 alloy steel, it boasts a yield strength of 60,000 psi and a tensile strength of 114,000 psi. Suitable for machining and fabrication, it offers a Rockwell hardness of 10 HRC and a Brinell hardness of 241 BHN. Its high machinability rating of 66 percent makes it easy to work with. Applications include construction, manufacturing, and heavy industry, where its exceptional strength and durability are essential for withstanding demanding conditions.
Top product features:
- Heat Treatable
- Heat Treatment Annealed
- Machinability 66 Percent
Top product applications:
- Machine parts manufacturing
- Structural components for heavy machinery
- Aerospace industry components
Alloy Steel Rod, Material Alloy Steel, Material Grade 4140, Overall Length 12 in, Heat Treatable Heat Treatable, Heat Treatment Annealed, Mechanical Finish Mill, Outside Diameter 3 in, Outside Diameter Tolerance -0.005 in, Yield Strength 60,000 psi, Fabrication Cold Rolled, Rockwell Hardness 10 HRC, Brinell Hardness 241 BHN, Machinability 66 Percent, Tensile Strength 114,000 psi, Includes Material Certificate Material Certificate with Lot Number, Standards ASTM A304, ASTM A322, ASTM A331
Additional Information
- Country of Origin: ZZ
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 3 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 13.00
- Package Width: 4.00
- Package Height: 4.00
- Package Weight: 26.00
Product info last updated on January 19, 2026 8:36pm UTC
Category: Alloy Steel