tmt bar
Key Features
- Superior Strength & Load-Bearing Capacity
- Earthquake & Corrosion Resistance
- High Ductility and Bendability
- Uniform Rib Pattern for Better Concrete Grip
- ISI & ISO Certified Quality Assurance
- Eco-Friendly & Sustainable Manufacturing
Technical Specifications
Grade: Fe 500 / Fe 600 / 600 EQR
Yield Strength: 500–600 N/mm²
Tensile Strength: 545–730 N/mm²
Elongation: 14.5% – 19%
Carbon Max: 0.18% – 0.30%
Standards: IS:1786, ISO 9001:2015 Certified
Product Overview
SD LION TMT Bars are crafted using cutting-edge quenching technology and manufactured in a fully integrated steel plant. With certifications from ISO and BIS, our Fe 500D, Fe 550D, and Fe 600 grades ensure maximum strength and ductility for all your structural needs.
Why Choose SD LION?
- High strength with superior load-bearing capacity
- Excellent corrosion and earthquake resistance
- Uniform rib pattern for strong concrete bonding
- Low carbon content for weldability
- Heat resistance up to 600°C
- Environmentally sustainable production process
Mechanical Properties (Fe 550D)
| Property | IS Standard | SD LION |
|---|---|---|
| Yield Strength (MPa) | 550 | 580 |
| Ultimate Tensile Strength (MPa) | 600 | 680 |
| Elongation (%) | 14.5 | 20 |
| TS/YS Ratio | 1.08 | 1.19 |
Chemical Composition
| Element | IS Max (%) | SD LION (%) |
|---|---|---|
| Carbon | 0.25 | 0.20 |
| Sulphur | 0.040 | 0.024 |
| Phosphorus | 0.040 | 0.034 |
| S + P | 0.075 | 0.058 |
| Carbon Equivalent (CE) | 0.60 | 0.033 |
Comparison: SD LION vs Secondary Producers
| Feature | SD LION | Secondary Brands |
|---|---|---|
| Raw Material | Virgin Iron Ore | Scrap/Ingots |
| Testing | Automated Lab with Spectrometer | Manual Testing |
| Fire Resistance | Up to 600°C | Up to 250°C |
| Bond Strength | Uniform Ribs | Curved Ribs |
| Certification | BIS, ISO, Govt. Approved | Often uncertified |