Hot Rolled Steel Flat Bar - 3 Inch X 3/4 Inch
A36 Hot Rolled Steel Flat Bar - 3 Inch X 3/4 Inch
This 3" x 3/4" A36 Hot Rolled Steel Flat Bar is a versatile structural material ideal for fabrication and construction. Certified to ASTM A36, it provides 36,000 PSI minimum yield strength and excellent weldability, making it suitable for braces, supports, and base plates. In stock Los Angeles.
- A36 Carbon Steel Construction
- ASTM A36 Certified
- 58,000-80,000 PSI Tensile Strength
- Excellent Weldability
A36 hot rolled steel flat bar is produced by forming steel at elevated temperatures, resulting in a product with a distinctive blue-grey, scaly finish and slightly rounded edges. This process makes it cost-effective and easy to work with. Conforming to ASTM A36, it is a low-carbon steel offering a reliable combination of strength, ductility, and excellent weldability for structural applications.
As a medium-width flat bar, this 3" x 3/4" size is perfectly suited for structural bracing in frames, durable machine ways, custom wear strips for equipment, and as robust base plates for machinery and posts where stability and strength are required.
Specifications
- Material: A36 Hot Rolled Steel
- Standards: ASTM A36
- Strength/Tensile: 58,000-80,000 PSI
- Dimensions: 3" Width x 3/4" Thickness x 240" Length
- Finish: Hot Rolled (HR)
- Certifications: MTR Available
Applications
- Structural Framing: Brackets and support braces - Excellent strength-to-weight ratio and easy weldability.
- General Fabrication: Base plates for machinery and columns - Good compressive strength and easy to drill.
- Transportation: Trailer frame components and cross-members - High durability and resistance to deformation.
- Agricultural Equipment: Implement hitches and supports - Withstands rough use and is easy to repair on-site.
Target Users
Fabricators, welders, construction contractors, and maintenance teams rely on A36 flat bar for its dependable performance and versatility in structural applications throughout the Los Angeles area.
Finish Options
This product comes standard with a hot rolled (HR) mill finish, characterized by a blue-grey color and a surface scale. This scale must be removed before painting or coating. For specific project requirements, other services like sandblasting may be available via special order. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Flat bar is measured by its Width (the wider flat surface) and its Thickness (the narrower edge).
Example: To order this flat bar, specify "A36 Hot Rolled Flat Bar, 3 inches by 3/4 inch".
Order Checklist
- Product name and required dimensions (3" x 3/4")
- Material specification and quantity
- Confirm grade (A36) meets requirements
- Surface finish requirements (Hot Rolled)
- Certifications required (Mill Test Report)
- Special handling or delivery requirements
Quick Facts
- Product
- Hot Rolled Steel Flat Bar - 3 Inch X 3/4 Inch
- Material
- A36 Hot Rolled Steel
- Standards
- ASTM A36
- Key Properties
- 36,000 PSI yield, excellent weldability, good machinability
- Primary Applications
- Structural bracing, base plates, trailer frames
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock Hot Rolled Flat Bar in widths from 1/2" to 12" and thicknesses from 1/8" to 2". This 3" x 3/4" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing