Products
TMT Bars
Thermo-mechanically treated steel bars are used in the construction industry.
It is obtained by rolling the billets and quenching and tempering the bars using Tempcore technology to enhance strength and ductility, properties critical for making steel reinforcements for buildings.
TPSL TMT Quality Policy
It's chemical composition:
- Carbon 0.16 – 0.20
- Sulphur 0.50 Max
- Phosphorous 0.06 Max & Manganese 0.55 Min
- Silicon 0.20 Min
Physical Properties of our TMT Bars:
- Size 8 - 28 mm with Tolerance: Thickness +/- 0.5mm, Length +/- 0.5mm, weight +/-0.5%)
- Yield Strength (N/mm 2 ) – min 415/500
- Tensile Strength (N/mm 2 ) – min 545
- Stress Ratio (TS/YS) – min 1.10
- Elongation (L=5Dn)% – min 12%
Sectional Weight
| SIZE | WEIGHT |
|---|---|
| 8 mm | 0.395 kg/m |
| 10 mm | 0.617 kg/m |
| 12 mm | 0.890 kg/m |
| 16 mm | 1.580 kg/m |
| 20 mm | 2.470 kg/m |
| 25 mm | 3.860 kg/m |
Mild Steel Billets
The billets can be rolled into structural steel, bars and wire.
It is obtained by the continuous casting of molten steel from electric furnaces.
TPSL Mild Steel Billets Quality Policy
Its chemical composition:
- ISI C15 Grade
- Carbon 0.16 - 0.20
- Sulphur 0.50 Max
- Phosphorous 0.06 Max and Manganese 0.55 Min
- Silicon 0.20 Min
Physical Properties of our Mild Steel Billets:
- Cross Section – 100mm / 4"
- Length – 6000mm / as per order
Sponge Iron or Direct Reduced Iron (DRI)
Sponge Iron can be directly used in electric furnaces for producing molten steel.
It is obtained by direct reduction of iron ore with the help of reducing gases (a mixture of Hydrogen and Carbon Monoxide) in kilns at a temperature of 800 to 1050 degrees Celsius without melting.
TPSL DRI Quality Policy
Its Chemical composition:
- Fe, Total 90-92
- Fe, Metallic 81-84
- Metallisation – 88-90
- Sulphur – 0.03 Max
- Phosphorus – 0.05 Max
- Carbon – 0.10 (approx.).
- Gangue Content – 5 (approx.)
Physical Properties of our DRI:
- Size Lump – +3mm
- Fines – 0-3 mm
- Bulk Density – 1.9 – 2.2 MT/m 3
Ferro Alloys
Ferro-Silicon, Silico-Manganese and Ferro-Manganese alloys are used as inputs in alloy steel production.
Ferroalloys are obtained by smelting the ores in electric arc furnaces at temperatures of 1350 to 1500 degrees Celsius.
TPSL Ferro Alloy Quality Policy
1. Ferro Silicon
Its chemical composition:
- Si – 70% to 75%
- C – 7% to 8%
- S – 0.05%
- P – 0.4%
Physical Properties of our Ferro Silicon Alloy
- Size – 10mm to 50mm
2. Silico Manganese
Its chemical composition:
- Mn – 59% to 65%
- Si – 13% to 15%
- C – 2% to 3% Max HC
- C – 0.3% to 0.5% Max LC
- S & P – 0.03% to 0.05%
Physical Properties of our Ferro Silicon Alloy
- Size – 10mm to 50mm
3. Ferro Silicon
Its chemical composition:
- Ferro Manganese
- Mn – 70% to 75%
- Si – +1.5%
- C – 7% to 8% HC
- C – 0.5% to 0.8% LC
- C – 1.5% to 2.5% MC
- S – 0.05% to 0.08%
- P – 0.04% to 0.06%
Physical Properties of our Ferro Silicon Alloy
- Size – 10mm to 50mm
Iron Ore Pellets
Iron Ore Pellets are used for steel-making in the blast furnace or direct reduction kilns.
Iron ore is mixed with other minerals like dolostone, limestone, olivine and bentonite and converted to balls of 8 to 18 mm size, which are then hardened by sintering.
TPSL Ferro Alloy Quality Policy
Its chemical composition
- Fe – 67%
- SiO2 – 1.5% Max
- Al2O3 – 0.80% Max
- CaO + MgO – 1.00%
- Sulphur – 0.004% Max
Physical Properties of our Iron Ore Pellets
- Size – 8mm to 18mm, 90% Min
- (-) 5mm 5% Max
- Tumble – 95.00%
- Abrasion – 4.00%
- Compressive Strength > 275 Kg/ Pellet
It's Metallurgical Properties
- Reducibility Index (Jumbo Midrex) – 94%
- Compressive Strength after Reduction – 30 Kg/Pellet
- Basicity – 0.38% to 0.40%
- Porosity – 29% to 30%
- JIS Swelling Index – 15% Max