Alloy Steel Square Bar, 18" L, 2 3/4" W MPN:19248_18_0
Alloy Steel Square Bar, 18" L, 2 3/4" W
This 18in long, 2 3/4in wide alloy steel square bar is ideal for heavy-duty applications requiring high strength and durability. Made from grade 4142 alloy steel, it boasts a Brinell hardness of 126 and a Rockwell hardness of 94 HRB, making it suitable for machining and fabrication. With a yield strength and tensile strength not rated, it can be heat treated for added strength and machinability. Perfect for use in construction, manufacturing, and engineering projects, this alloy steel square bar is a reliable choice for applications where high performance is required.
Top product features:
- Hot Rolled fabrication provides a strong and durable base for machining and shaping.
- Pre-Hardened heat treatment enhances the alloy steel's mechanical properties and makes it suitable for high-stress applications.
- 78 Percent machinability allows for efficient and effective cutting and shaping of the alloy steel square bar.
Top product applications:
- Structural frames and supports
- Machine parts and components
- Tooling and fixtures
Alloy Steel Square Bar, Material Alloy Steel, Material Grade 4142, Thickness 2.75 in, Thickness Tolerance +/-0.001 in, Overall Length 18 in, Overall Width 2 3/4 in, Fabrication Hot Rolled, Heat Treatable Heat Treatable, Heat Treatment Pre-Hardened, Mechanical Finish Mill, Yield Strength Not Rated, Tensile Strength Not Rated, Brinell Hardness 126, Rockwell Hardness 94 HRB, Machinability 78 Percent, Standards ASTM A108, Appearance Metallic
Additional Information
- Country of Origin: ZZ
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 5 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 36.50
- Package Width: 4.50
- Package Height: 1.50
- Package Weight: 41.12
Product info last updated on May 5, 2026 9:19am UTC
Category: Alloy Steel