Deformed Bars / Rebars
Deformed Bars (commonly called Rebars) are steel reinforcement bars with surface ribs or deformations designed to bond firmly with concrete, enhancing the tensile strength of concrete structures. They are essential in reinforced concrete construction, providing durability, stability, and resistance against cracking and structural failure.
They are critical for structural integrity, as they provide concrete with the tensile strength it lacks naturally. Their ribbed design ensures strong adhesion to concrete, making them ideal for safe, durable, and long-lasting construction.
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Specifications
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| Lead Time: | 1 - 3 days |
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Applications
Foundations and footings
Retaining walls
Bridges and flyovers
Industrial and commercial buildings
Road and highway construction
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Available Deformed Bar Sizes & Specifications
Deformed bars are available in four PNS 49:2020 grades covering diameters from Ø10mm to Ø40mm in lengths from 6.0m to 12.0m. For complete grade-by-grade technical data — including all diameters, masses, and weights per length — download the 2026 Product Handbook.
- PNS 49:2020 GR.230 — Ø10 to Ø25mm, ASTM A615 GR.33 equivalent
- PNS 49:2020 GR.280 — Ø10 to Ø25mm, ASTM A615 GR.40 equivalent
- PNS 49:2020 GR.420 — Ø10 to Ø40mm, ASTM A615 GR.60 equivalent
- PNS 49:2020 GR.520 — Ø10 to Ø40mm, ASTM A615 GR.75 equivalent
- DTI BPS mandatory certification — lengths from 6.0m to 12.0m in 1.5m increments
Common Questions
Frequently Asked Questions
What are the different grades of deformed bars?
Deformed bars are classified based on yield strength under PNS 49:2019, the Philippine standard for reinforcing steel.
There are eight main grades:
• Regular (R): 230R, 280R, 420R, 520R, 550R
• Weldable (W): 280W, 420W, 550W
Higher grade numbers indicate stronger steel. Regular grades are used for standard applications, while weldable grades are designed for improved weldability and ductility.
Are deformed bars suitable for large infrastructure projects?
Yes, deformed bars are highly suitable for large infrastructure projects. Their ribbed surface provides strong bonding with concrete, ensuring better load distribution, structural stability, and resistance to cracking. They are widely used in major structures such as buildings, bridges, highways, and other heavy-duty construction projects.
How do deformed bars or rebars improve concrete strength?
Deformed bars provide a strong mechanical bond through their ribbed surface, preventing slipping and allowing the steel and concrete to act together under load. This combination enhances tensile strength, reduces cracking, and improves the overall durability and load-bearing capacity of concrete structures.
Plan Your Rebar Order
Share the rebar grade, diameter and quantity specified for your concrete work. We’ll help confirm available deformed bar options and any further details needed to prepare your quotation.
