Hot Rolled Steel Flat Bar - 6 Inch X 5/16 Inch
A36 Hot Rolled Steel Flat Bar - 6" x 5/16" x 20'
This 6" x 5/16" A36 Hot Rolled Steel Flat Bar provides excellent strength and versatility for structural applications. Certified to ASTM A36, it has a minimum yield strength of 36,000 PSI and is easily welded, cut, and formed, making it ideal for fabrication. In stock Los Angeles.
- A36 Steel Construction
- ASTM A36 Certified
- 58,000-80,000 PSI Tensile Strength
- Excellent Weldability
Produced by forming at elevated temperatures, A36 hot rolled flat bar is a cost-effective structural steel with good overall mechanical properties. It complies with ASTM A36 specifications and is known for its high strength, formability, and outstanding weldability using all common methods. The material has a characteristic blue-grey, scaly mill finish and slightly rounded edges, typical of the hot rolling process.
As a large-format bar, this 6-inch wide profile is engineered for heavy-duty roles where strength is paramount. It is commonly specified for fabricating machinery base plates, structural gussets and braces, trailer frames, and other substantial components that require a solid, weldable foundation and excellent load-bearing capabilities.
Specifications
- Material: A36 Steel
- Standards: ASTM A36
- Strength/Tensile: 58,000-80,000 PSI
- Dimensions: 6" Width x 5/16" Thickness x 20' Length
- Finish: Hot Rolled Mill Finish
- Certifications: MTR Available Upon Request
Applications
- Construction: Base plates for columns and posts - provides a wide, stable footprint and good compressive strength.
- Heavy Equipment: Frame components and mounting brackets - withstands vibration and heavy loads.
- Transportation: Trailer cross-members and chassis reinforcements - offers excellent strength and weldability for vehicle frames.
- Industrial Fabrication: Die components and support braces - a robust and economical choice for tooling and structural supports.
Target Users
Fabricators, welders, structural engineers, and maintenance teams rely on A36 flat bar for its strength and reliability in construction, manufacturing, and repair projects throughout the Los Angeles area.
Finish Options
This product comes standard with a hot rolled mill finish, which includes a layer of dark, hard scale. This scale must be removed by grinding, sandblasting, or pickling prior to painting or coating. For specific project requirements, other finishes 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 (A) and Thickness (B). Use a tape measure for width and calipers for thickness for an accurate measurement.
Example: To order this flat bar, specify "A36 Flat Bar, 6 inch by 5/16 inch".
Order Checklist
- Product name and required dimensions (6" x 5/16" x 20')
- 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 - 6 Inch X 5/16 Inch
- Material
- A36 Steel
- Standards
- ASTM A36
- Key Properties
- 58,000-80,000 PSI tensile, excellent weldability, good formability
- Primary Applications
- Base plates, structural supports, trailer frames
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock A36 Hot Rolled Flat Bar in widths from 1/2" to 12" and lengths up to 20'. This 6" x 5/16" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing