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PRODUCT INSTALLED CAPACITY RESPECTIVE MANUFACTURING UNIT/CO.
SPONGE IRON 200 TPD G.R. SPONGE & POWER LTD.
POWER 8 MW G.R. SPONGE & POWER LTD.
FERRO ALLOYS 9 MVA G.R. MINERALS & INDUSTRIES PVT. LTD.
INGOTS 200 MT/DAY RAMESH STEEL INDUSTRIES-II
MS/CI SCRAP, MnOre, FERRO ALLOYS, COAL IMPORT/EXPORT TRADING G.R. MINES & MINERALS PVT. LTD.
Product - Sponge Iron
Chemical
Percentage
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 Size
Size Lump + 3 mm
Fines 0-3 mm
Bulk Density 1.9-2.2 MT / m3
Specification is as under :-
Product Pellet
Size 5 –18 mm (Oversize & under size 5% max)
% Fe 63 Min.
% SiO2 + AI203 5.5 Max.
% S 0.025 Max.
% P 0.050 Max.
% Cold compressive strength as per IS 8625:1986 180 kg / Pellet min.
% Tumbler Index as per IS 6495:1984 88 % Min.
Abrasion Index 8 % Max.
Porosity 22 - 26 %
Product Installed Capacity
Ferro Alloys / Cast Iron 10000 TPA
Specification High Carbon Silico Manganese
High Carbon Ferro Manganese High Carbon Ferro Manganese
Manganese (Mn) 60-65% 65-70% 70-75%
Silicon (Si) 15-17% 2.00% Max 1.50%Max
Carbon (C) 2.0% Max 6-8% 6-8%
Phosphorous (P) 0.35% Max 0.35% Max 0.35% Max
Sulphur (S) 0.05% Max 0.05% Max 0.05% Max
Size in mm 25-150 mm (+/- 10% Tolerance) 25-150 mm (+/- 10% Tolerance) 25-150 mm (+/- 10% Tolerance)
Packing As per requirement As per requirement As per requirement
Chemical Properties
Element IS:1786-1985
Specified
BHISHMA
TMT
Fe. 415
BHISHMA TMT
Fe. 500
Carbon % 0.30 Max. 0.18 – 0.21 0.18 – 0.26
Manganese % 0.050 Min. 0.50 – 1.0 0.60 – 1.0
Sulphur & Phosphorus % 0.11 Max. 105 Max. 105 Max.
Carbon Equivalent % 0.42 % 0.25 – 0.40 0.30 – 0.45
Mechanical Properties
Property IS:1786-1985
(Fe.415)
Gr.
BHISHMA TMT
Bar Values
Fe. 415
Fe. 500
0.2% Proof Stress 415 Min. 440 - 490 500 Min.
Tensile Strength (Mpa) 485 Min 490 Min. 545 Min.
Elongation % 14.5 Min. 17 – 30 12 Min.
Requirement for Bond
Deformation and surface characteristics (Mean Project Area)
Size of TMT Bar IS:1786 Specified Ar. Value (min) BHISHMA TMT Bars Ar. Value (50% More)
8 mm 0.96 mm2 / mm Above 1.4 mm2 / mm
10 mm 1.2 mm2 / mm Above 1.8 mm2 / mm
12 mm 1.8 mm2 / mm Above 2.7 mm2 / mm
16 mm 2.4 mm2 / mm Above 3.6 mm2 / mm
20 mm 3.4 mm2 / mm Above 5.1 mm2 / mm
25 mm 4.25 mm2 / mm Above 6.3 mm2 / mm
28 mm 4.76 mm2 / mm Above 7.1 mm2 / mm
32 mm 5.44 mm2 / mm Above 8.1 mm2 / mm
Specification
M.S. Ingots
S.No. Size
1 3” x 4”
2 3.5” x 4.5”
3 4" x 5"
Chemical Composition as per IS: 2830:1992
Particular Chemical composition
C 0.18 – 30%
S 0.045 % Max.
P 0.070 % Max.
Mn 0.60  % Min.
Si. 0.17  % Min.