

Flat Bars
Flat Bars are rectangular steel bars with a flat, smooth surface, commonly used in construction, fabrication, and manufacturing. Their simple, versatile design makes them ideal for structural supports, bracing, and general-purpose steelwork. Flat bars are easy to cut, drill, bend, and weld, making them a staple in both heavy-duty and light industrial applications.
They are a cost-effective, versatile steel solution for construction and fabrication projects. Their flat profile allows for easy integration into structural designs, machinery, and architectural elements, making them essential in both industrial and decorative applications.
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Specifications
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| Lead Time: | 1 - 3 days |
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Applications
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Available Flat Bar Sizes & Specifications
Flat bars are available in a comprehensive range of widths from 2″ to 20″ and thicknesses from 3.0mm to 24.0mm — over 150 size-thickness combinations in the ASTM A36 range. For complete technical data — including all masses and weights per 6m — download the 2026 Product Handbook.
- ASTM A36 hot-rolled steel — widths 2″ to 20″ (50mm to 508mm)
- Thicknesses from 3.0mm to 24.0mm — over 12 thickness options per width
- Standard 6-meter lengths — cut-to-length service available upon request
- Used for braces, brackets, grating, conveyor frames, trailer floors, and structural connections
- Consistent mill quality — nationwide availability from three Regan hubs
Common Questions
Frequently Asked Questions
What are the common sizes of flat bars in the Philippines?
Flat bars in the Philippines are available in a range of standard sizes, typically defined by thickness × width. Common sizes include:
• Thickness: 3mm, 5mm, 6mm, 10mm, 12mm
• Width: 19mm, 25mm, 32mm, 38mm, 50mm, 65mm, 75mm, 100mm
They are usually supplied in standard lengths of 6 meters, though custom cutting may also be available depending on the supplier. For instance, Regan Industrial, the leading steel supplier in the Philippines, offers custom services to meet specific size and project requirements.
What is the difference between flat bars and steel plates?
Flat bars and steel plates differ mainly in size, form, and application.
• Flat bars are narrow, long rectangular pieces with precise dimensions, commonly used for fabrication and general construction.
• Steel plates are wider and thicker sheets designed for heavy-duty applications such as bridges, shipbuilding, and industrial structures, where greater strength and load capacity are required.
What are flat bars good for?
Flat bars are versatile steel products used in structural framing and bracing, gates, fences, railings, machinery fabrication, support brackets, roof trusses, and various industrial and architectural projects.
Source Flat Bars for Your Steelwork
Tell us the width, thickness and quantity of flat bars you need for fabrication or construction. We’ll help check available options and discuss any cutting requirements with you.





