Tender For Procurement Of Fused Alumina Lumps / Honey Comb Tiles / Electro Fused Bricks / Ceramic Balls, manali-Tamil Nadu

Procurement Of Fused Alumina Lumps / Honey Comb Tiles / Electro Fused Bricks / Ceramic Balls Procurement Of Fused Alumina Lumps / Honey Comb Tiles / Electro Fused Bricks / Ceramic Balls , Ceramic Balls- Size 1/2 Specification: Chemical Analysis: Al2o3, % :: 23 - 26 Sio2,% :: 63 - 72 Fe2o3+Tio2, % ::Approx. 2.5 Mgo _ Cao,% ::Approx. 0.55 Na2o + K2o,%::Approx. 2.3 Soluble Iron According To Astm-C 279 Should Be Approx.0.005% Physical Values: Specific Gravity, G/Cm3 : 2.4 Hardness (Mohs Scale) : 8 Tensile Strength, N/Mm2 : 45 Compressive Strength, N/Mm2 : 400 Coefficient Of Expansion: 1/Deg.Cent :: 4.7 X 10 6 Thermal Conductivity: Kj/M, H, Deg.Cent -6.3 Specific Heat, Kj/Kg, Deg.Cent :0.84 Max. Application Temp, Deg.Cent:1,200 Modulus Of Elasticity, N/Mm2 :60,000 Water Absorption,% ::0.1 - 3 Operating Conditions: Temp. Deg. Cent, Max.:: 450 Pressure, Kg/Cm2 G, Max, ::50 Gas Composition: Containing Sulphurous Compounds And Process Gas With Various Contents Of Co, Co2, H2, Ch4, N2, Ar, And Steam , Electro Fused Alumina Lumps For Secondary Reformer Size:50-100Mm Material: High Purity Electrofused Aluminium Oxide Having A Quality As Christalba From Society Francaise D Electro Matallurgie Or Equivalent Composition Al2o3 - 99.4 Wt% Na2o+K2o-0.15-0.5 Wt% Fe2o3-0.10-0.5 Wt% Sio2-0.02 Wt% Tio2 - Traces V2o5 - Traces Bulk Density:2G/Cm2 , Electro Fused Alumina Lumps For Secondary Reformer Size:100-200Mm Material: High Purity Electrofused Aluminium Oxide Having A Quality As Christalba From Society Francaise D Electro Matallurgie Or Equivalent Composition Al2o3 - 99.4 Wt% Na2o+K2o-0.15 - 0.5Wt% Fe2o3 - 0.10 - 0.5 Wt% Sio2 - 0.02 Wt% Tio2 - Traces V2o5 - Traces Bulk Density - 2G/Cm3 , Electrofused Alumina Lumps For Secondary Reformer Size 25-50 Mm Material:High Purity Electrofused Aluminium Oxide Having A Uality As Christalba From Society Francaise D Electro Matallurgie Or Equivalent Composition: Al2o3 -99.4Wt% Na2o K2o - 0.15 - 0.5Wt% Fe2o3- 0.10 - 0.5 Wt% Si2o3 - 0.02 Wt% Tio2-Traces V2o3-Traces Bulk Density - 2G/Cm3 , Electrofused Universal Circle Brick For Secondary Reformer Top Catalyst Bed , Honeycomb Tiles For Secondary Reformer Catalyst Bed Top - Tiles With 19 Holes Material : High Alumina Fire Brick Dimension As Per Haldor Topsoe Drawing Composition Of Alumina Tiles: Sio2 <0.06% Fe2o3<0.15% Alkalies <0.3% Cl <50Ppm S<50Ppm As <50Ppm Particle Density :3.25 G/Cm3 Appaent Porosity 15-18% , Honeycomb Tiles For Secondary Reformer Catalyst Bed Top : Material: High Alumina Fire Brick Tiles Without Holes (Dummy Tiles) Dimension Of The Tiles Given In Haldor Topsoe Drawing Composition Of Alumina Tiles: Sio2<0.06% Fe2o3 <0.15% Alkalies<0.3% C1<50 Ppm S <50 Ppm As<50 Ppm Particle Density :3.25 G/Cm3 Apparent Porosity :15 - 18%

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INR 86825.0 /-

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Name of Work:PROCUREMENT OF FUSED ALUMINA LUMPS / HONEY COMB TILES / ELECTRO FUSED BRICKS / CERAMIC BALLS

Sl. No.	Item Description
1	CERAMIC BALLS- SIZE 1/2" SPECIFICATION: CHEMICAL ANALYSIS: Al2O3, % :: 23 - 26 SiO2,% :: 63 - 72 Fe2O3+TiO2, % ::APPROX. 2.5 MgO _ CaO,% ::APPROX. 0.55 Na2O + K2O,%::APPROX. 2.3 SOLUBLE IRON ACCORDING TO ASTM-C 279 SHOULD BE APPROX.0.005% PHYSICAL VALUES: SPECIFIC GRAVITY, g/cm3 : 2.4 HARDNESS (Mohs SCALE) : 8 TENSILE STRENGTH, N/mm2 : 45 COMPRESSIVE STRENGTH, N/mm2 : 400 COEFFICIENT OF EXPANSION: 1/DEG.CENT :: 4.7 X 10 6 THERMAL CONDUCTIVITY: kJ/M, H, DEG.CENT -6.3 SPECIFIC HEAT, kJ/KG, DEG.CENT :0.84 MAX. APPLICATION TEMP, DEG.CENT:1,200 MODULUS OF ELASTICITY, N/mm2 :60,000 WATER ABSORPTION,% ::0.1 - 3 OPERATING CONDITIONS: TEMP. DEG. CENT, MAX.:: 450 PRESSURE, KG/CM2 G, MAX, ::50 GAS COMPOSITION: CONTAINING SULPHUROUS COMPOUNDS AND PROCESS GAS WITH VARIOUS CONTENTS OF CO, CO2, H2, CH4, N2, Ar, AND STEAM
2	ELECTRO FUSED ALUMINA LUMPS FOR SECONDARY REFORMER SIZE:50-100MM MATERIAL: HIGH PURITY ELECTROFUSED ALUMINIUM OXIDE HAVING A QUALITY AS "CHRISTALBA" FROM SOCIETY FRANCAISE "D" ELECTRO MATALLURGIE OR EQUIVALENT COMPOSITION AL2O3 - 99.4 WT% NA2O+K2O-0.15-0.5 WT% FE2O3-0.10-0.5 WT% SIO2-0.02 WT% TIO2 - TRACES V2O5 - TRACES BULK DENSITY:2G/CM2
3	ELECTRO FUSED ALUMINA LUMPS FOR SECONDARY REFORMER SIZE:100-200MM MATERIAL: HIGH PURITY ELECTROFUSED ALUMINIUM OXIDE HAVING A QUALITY AS " CHRISTALBA" FROM SOCIETY FRANCAISE "D" ELECTRO MATALLURGIE OR EQUIVALENT COMPOSITION AL2O3 - 99.4 WT% NA2O+K2O-0.15 - 0.5WT% FE2O3 - 0.10 - 0.5 WT% SIO2 - 0.02 WT% TIO2 - TRACES V2O5 - TRACES BULK DENSITY - 2G/CM3
4	ELECTROFUSED ALUMINA LUMPS FOR SECONDARY REFORMER SIZE 25-50 MM MATERIAL:HIGH PURITY ELECTROFUSED ALUMINIUM OXIDE HAVING A UALITY AS "CHRISTALBA" FROM SOCIETY FRANCAISE "D" ELECTRO MATALLURGIE OR EQUIVALENT COMPOSITION: Al2O3 -99.4WT% nA2O K2O - 0.15 - 0.5WT% Fe2O3- 0.10 - 0.5 WT% Si2O3 - 0.02 WT% TiO2-Traces V2O3-Traces BULK DENSITY - 2G/CM3
5	ELECTROFUSED UNIVERSAL CIRCLE BRICK FOR SECONDARY REFORMER TOP CATALYST BED
6	HONEYCOMB TILES FOR SECONDARY REFORMER CATALYST BED TOP - TILES WITH 19 HOLES MATERIAL : HIGH ALUMINA FIRE BRICK DIMENSION AS PER HALDOR TOPSOE DRAWING COMPOSITION OF ALUMINA TILES: SiO2 <0.06% Fe2O3<0.15% ALKALIES <0.3% Cl <50PPM S<50PPM As <50PPM PARTICLE DENSITY :3.25 G/CM3 APPAENT POROSITY 15-18%
7	HONEYCOMB TILES FOR SECONDARY REFORMER CATALYST BED TOP : MATERIAL: HIGH ALUMINA FIRE BRICK TILES WITHOUT HOLES (DUMMY TILES) DIMENSION OF THE TILES GIVEN IN HALDOR TOPSOE DRAWING COMPOSITION OF ALUMINA TILES: SiO2<0.06% Fe2O3 <0.15% ALKALIES<0.3% C1<50 PPM S <50 PPM As<50 PPM PARTICLE DENSITY :3.25 G/CM3 APPARENT POROSITY :15 - 18%