Colled Rolled Flat Bar 1018 - 3/8 Inch X 2-1/2 Inch
1018 Cold Rolled Flat Bar - 3/8" x 2-1/2" x 144"
This 3/8" x 2-1/2" 1018 Cold Rolled Flat Bar offers superior surface finish and tight dimensional control for precision applications. Certified to ASTM A108, it delivers a balance of strength, machinability, and weldability ideal for brackets, plates, and structural components. In stock Los Angeles.
- 1018 Steel Construction
- ASTM A108 Certified
- 63,800 PSI Tensile Strength
- Excellent Machinability
1018 is a low-carbon steel known for its excellent case-hardening properties and superior surface condition compared to hot rolled alternatives. The cold drawing process increases its strength and hardness while maintaining tight dimensional accuracy per ASTM A108. This makes it a reliable material for applications requiring precision without extensive secondary processing, ensuring components fit correctly in assemblies.
As a medium-width bar, this 2-1/2" size is particularly well-suited for structural bracing where good strength and weldability are needed, machine ways that require flatness and tight tolerances, and general-purpose wear strips for industrial equipment due to its consistent hardness and smooth finish.
Specifications
- Material: 1018 Steel
- Standards: ASTM A108
- Strength/Tensile: 63,800 PSI
- Dimensions: 3/8" Thickness x 2-1/2" Width x 144" Length
- Finish: Cold Drawn
- Certifications: MTR Available
Applications
- Fabrication: Base plates and mounting brackets - medium width provides a stable mounting surface.
- Machinery: Machine ways and frames - tight tolerances and flatness are critical for linear motion.
- Construction: Structural bracing and gussets - good strength and weldability for secure connections.
- Tooling & Fixtures: Jigs and templates - holds shape well and is easily machined into precise forms.
Target Users
Machinists, fabricators, and maintenance technicians rely on 1018 Cold Rolled Flat Bar for its reliability and ease of use in industrial and structural applications throughout the Los Angeles area.
Finish Options
This product comes standard with a cold drawn finish, providing tight dimensional tolerances and a smooth, bright, scale-free surface ready for machining. For specific project requirements, other finishes such as polishing or plating may be applied. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Flat bar is measured by its Thickness and Width. Use calipers to measure the two perpendicular dimensions of the rectangular cross-section.
Example: To order this flat bar, specify "1018 Cold Rolled Flat Bar, 3/8" x 2-1/2" x 144" length".
Order Checklist
- Product name and required dimensions (3/8" x 2-1/2" x 144")
- Material specification and quantity
- Confirm grade (1018) meets requirements
- Surface finish requirements (Cold Drawn)
- Certifications required (Mill Test Report)
- Special handling or delivery requirements
Quick Facts
- Product
- 1018 Cold Rolled Flat Bar - 3/8" x 2-1/2"
- Material
- 1018 Steel
- Standards
- ASTM A108
- Key Properties
- 63,800 PSI tensile, Excellent Machinability, Good Weldability
- Primary Applications
- Base plates, structural bracing, machine ways
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 1018 Cold Rolled Flat Bar in widths from 1/4" to 12" and thicknesses from 1/8" to 2". This 3/8" x 2-1/2" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing


