Category: Structure & materials
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
Rebar grade sets the minimum yield strength of the bar. The common grade in Saudi Arabia has a 420 MPa yield (Grade 60) to the approved standards, with higher grades for special projects. The grade is shown on structural drawings and mill certificates.
Why it matters on a project
The design assumes a specific grade, and a lower one reduces the member's strength. Mill certificates and sample tests prove compliance.
Measurement and pricing
Priced per tonne, with price differences between grades, and tests within the testing item.
Common mistake
Accepting steel on site without a mill certificate or clear bar markings proving the grade.
Frequently asked questions
How do I know the steel grade on site?
From the mill certificate with the delivery, the rolled markings on the bars and sample test results.
Does the price differ between bar sizes?
Yes, and the monthly building material price bulletin shows the price per tonne for each size.
Related terms
- Reinforcement (rebar)Steel bars placed inside concrete per bar-bending schedules to strengthen structural elements.
- Structural drawingsDrawings of foundations, columns, beams and slabs with their reinforcement.
- Material submittalA request to approve a material or product with manufacturer data and samples before supply.
- Third-party inspectionIndependent testing by an accredited body separate from contractor and owner.
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