Alloy Steel Rectangle Bar, 18" L, 3/4" W MPN:19143_18_0
Alloy Steel Rectangle Bar, 18" L, 3/4" W
This 18in long, 3/4in wide alloy steel rectangle bar is made from high-strength 4142 alloy steel, offering excellent machinability and heat treatability. Pre-hardened for ease of machining, it features a Brinell hardness of 187 and Rockwell hardness of 94 HRB. Ideal for use in high-stress applications, such as in the manufacturing of gears, axles, and other machine components, this alloy steel bar provides a durable and long-lasting solution. Its versatility also makes it suitable for use in a variety of industries, including aerospace, automotive, and construction, where strength and reliability are paramount.
Top product features:
- It is made from alloy steel, which provides high strength and durability.
- It has a rectangular shape, allowing for versatile applications and designs.
- It is pre-hardened, making it suitable for applications where a high level of hardness is required.
Top product applications:
- Structural Framing
- Machine Parts
- Tooling and Fixtures
Alloy Steel Rectangular Bar, Material Alloy Steel, Material Grade 4142, Thickness 0.3125 in, Thickness Tolerance +/-0.001 in, Overall Length 18 in, Overall Width 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 187, Rockwell Hardness 94 HRB, Machinability 50 Percent, Standards ASTM A322, 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: 18.50
- Package Width: 1.25
- Package Height: 0.81
- Package Weight: 1.70
Product info last updated on February 25, 2026 12:26pm UTC
Category: Alloy Steel