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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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.
Access all four grade tables — GR.230, GR.280, GR.420, and GR.520 — with diameter, length options, mass per meter, and weight per cut length. Compiled directly from PNS 49:2020 and used by structural engineers, estimators, and procurement teams across the Philippines.
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Common Questions
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.
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.
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.
Looking for GR.230, GR.280, GR.420, or GR.520 rebars in a specific diameter and length? Our Sales Team can confirm DTI BPS-certified stock, current pricing, lead times, and delivery across Luzon, Visayas, and Mindanao — fast and with no runaround.
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