Quality of SAIL TMT 550D Grade
Chemical Properties:
- Carbon (C): Maximum 0.25%
- Sulphur (S): Maximum 0.040%
- Phosphorus (P): Maximum 0.040%
- Carbon Equivalent (CE): Maximum 0.53%
Physical Properties:
- Yield Strength: Minimum 550 MPa
- Tensile Strength: Minimum 600 MPa
- Elongation: Minimum 14.5%
- Bend Test: No cracks should be observed on the bent portion when a sample is bent around a pin.
Usage of SAIL TMT 550D Grade
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SAIL TMT 550D bars are widely used in various construction applications due to their high strength, ductility, and weldability. Common uses include:
- High-rise buildings
- Bridges
- Industrial structures
- Underground structures
- Residential constructions
- Marine structures
Availability of SAIL TMT 550D Grade Bars from U.K & Sons
SAIL TMT bars, including the 550D grade Quality SAIL TMT , are generally available from authorized distributors like U.K & Sons. Availability can vary based on location, demand, and supply chain factors. For specific availability, contacting U.K & Sons directly or visiting their office would provide the most accurate information.
Advantages of 550D in Comparison to 500D, 500, and 550 Grades
550D vs. 500D:
- Higher Strength: 550D has a higher yield strength (550 MPa) compared to 500D (500 MPa), making it more suitable for heavy-duty applications.
- Better Ductility: Despite its higher strength, 550D offers good ductility with a minimum elongation of 14.5%, similar to 500D.
- Enhanced Weldability: Due to its controlled chemical composition, 550D offers better weldability compared to 500D.
550D vs. 500:
- Higher Strength and Ductility: 550D not only provides higher yield strength but also better ductility than 500 grade bars.
- Seismic Resistance: 550D is more suitable for regions prone to seismic activities due to its superior combination of strength and ductility.
550D vs. 550:
- Lower Impurities: 550D has more stringent control over impurities (sulphur and phosphorus) compared to the standard 550 grade, which enhances its performance in critical applications.
- Higher Ductility: 550D offers better ductility compared to the standard 550 grade, making it more versatile and safer in structural applications.
In summary, Best Quality SAIL TMT 550D grade bars offer a balanced combination of high strength, excellent ductility, and improved weldability, making them superior to other grades for demanding construction applications.