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Due to the high density of hematite relative to associated silicate gangue, hematite beneficiation usually involves a combination of beneficiation techniques. One method relies on passing the finely crushed ore over a slurry containing magnetite or other agent such as ferrosilicon which increases its density. When the density of the slurry is properly calibrated, the hematite will sink and the silicate mineral fragments will float and can be removed. We can supply good quantities of Iron ore from India,Middle East and CIS countries.
Semi coke is made of fine quality fired Jurassic coal from Shenfu coalfield. It is a new type of carbon material, it can partially replace metallurgical coke in the production of calcium carbide, ferroalloy, ferrosilicon, ferronickel, silicon carbide etc Fixed carbon 83% Sulphur 0.35% Ash 7-9% Phosphorus 0.005% Volatile matter 7% Moisture 16% Size 0-6mm, 6-18mm, 18-35mm, 35-60mm
Silica fume, also known as microsilica, is an amorphous (non-crystalline) polymorph of silicon dioxide, silica. It is an ultrafine powder collected as a by-product during silicon and ferrosilicon alloy production. According to the SiO2 content, our products can arrange form grade 85% to grade 98%. According to the bulk density, we can divide our products into densified silica fume and undensified silica fume.
We specialize in ferrosilicon and graphite electrodes for 17 years. In addition, we have our own professional designer to meet your specifications. The length of graphite electrodes with HP UHP graphite electrodes 100-960 in diameter is 1800 mm to 2400 mm. If you have customers who order graphite electrodes, please contact me and let us talk about details. Thank you for your service. We have a variety of graphite products graphite square graphite block graphite round bar
Spec: Si: 72% min, Al: 2% max, C: 0.2% max, P: 0.04% max, S: 0.02 % max Size: 10-100mm 90% min. (we could supply various size according to your require) Packing: in plastic woven bag of 1mt net each, 25 bags in one container Inspection: by CIQ Payment Terms: T/T before shipment or 100% irrevocable L/C at sight (in World¡¯s Top 500) We also export other products such as FeSi RE, Inoculant (Barium FeSi), Nodulant (Magnesium FeSi), FerroSilicon Slag etc. Welcome your inquiry.
Silica fume We supply the undensitied silica fume which is a by-product during melting silicon metal or ferro silicon for long-term, silica fume, also referred to as microsilica or fumed silica, is a by-product material that is used as a pozzolan. This by-product is a result of the reduction of high-purity quartz with coal in an electric arc furnace in the manufacture of silicon or ferrosilicon Customs code: 28112200 Specifications and price: Sio2 contents >85%-92% I.L 90% min Density >600kg/m3 Packing - jumbo bags 900kg/packet or by buyerf+s request. Certificate : sgs certificate or others
Ferrosilicon coke silica fume - ferro silicon: si 75% min, al 20% max(al 15% max, al 10%max), c 02% max, s 002% max, p 004% max 2 low aluminum ferro silicon: si 75% min; al 05% max(al 03%max, al 01% max);c 01% max; s 002% max; p 003% max, ca 10%max 3 fesi 72, fesi 65, silicon slag and silicon granule size and packing can be provided as per customers requirement 4silica fume: sio2: 85% min; loi: 30% max; moisture: 30% max; bulk density: 500-700kg/m3 min 5coke: foundry coke ash: 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14% max , metallurgical coke ash.
Fe (Total): 87% Fe (Metal): 80% MD: 92%
Standards: ASTM/ BS/ DIN/ EN/ TS/ GOST/ GB/JIS Grade: B500 B Certificate: CE Size: 8-32 mm
Bulk In Big Bag: +$10 Total Fe: 86% Metalic Fe: 79% Metallization: 91% Carbon: 0.8% Sulphur: 0.01%
Sections: 100 100, 125 125, 150 150 Grades: 3sp, 5sp Lenght: 3-12 m
Ferrosilicon is often used as a deoxidizer in steelmaking because silicon combines easily with oxygen to form silicon dioxide. Furthermore, the formation of silica releases a large amount of heat, which also helps to raise the temperature of the steel. Ferrosilicon is an alloy of iron and silicon (average content is 15% to 90%). It is a key ferroalloy used for deoxidation and alloying of steel. Silicon increases the hardness, tensile strength, elasticity and flow limits of steel, improves oxidation resistance and reduces energy losses. In steel making: Used as Deoxidizers and alloying agents In ferro alloy production: Used as reducing agent In Foundry: Used as Inoculants and spheroidizing agents Size:0-1mm, 1-3mm, 3-10mm,10-60mm, 10-100mm, lump, or customized Packing: 1MT big bag or customized
Ferrosilicon is often used as a deoxidizer in steelmaking because silicon combines easily with oxygen to form silicon dioxide. Furthermore, the formation of silica releases a large amount of heat, which also helps to raise the temperature of the steel. Ferrosilicon is an alloy of iron and silicon (average content is 15% to 90%). It is a key ferroalloy used for deoxidation and alloying of steel. Silicon increases the hardness, tensile strength, elasticity and flow limits of steel, improves oxidation resistance and reduces energy losses. In steel making: Used as Deoxidizers and alloying agents In ferro alloy production: Used as reducing agent In Foundry: Used as Inoculants and spheroidizing agents Size:0-1mm, 1-3mm, 3-10mm,10-60mm, 10-100mm, lump, or customized Packing: 1MT big bag or customized
High carbon silicon is a new type of alloy used in converters, and can also be called silicon-carbon alloy. It can replace ferrosilicon, silicon carbide, recarburizer, reduce the amount of deoxidizer, used in converter smelting deoxidation alloying process, the effect is stable, steel chemical composition, mechanical properties and internal control quality are better than traditional processes.
Silicon slag is a by-product of smelting metal silicon and ferrosilicon.It is a kind of scum floating on the furnace in the process of smelting silicon.It is content is from 45% to 70%,and the rest are C,S,P,Al,Fe,Ca. It is much cheaper than purity silicon metal.Instead of ferrosilicon for steelmaking, can reduce the cost. Silicon slag 50 is Si greater than or equal to 50, Ca less than 5, S less than O0.1, P less than 0.05, C less than 5.
Silicon-carbon alloy is a new type of alloy for converter, customers choose this to, replace most of ferrosilicon, silicon carbide and recarburizer, Used in converter, smelting deoxidation alloying process The characteristics Reduce the cost of steelmaking, increase economic, efficiency, improve product quality, stable performance, improve the quality of, molten steel, improve product performance, reduce the amount of alloy added,, reduce the cost of steel and increase economic efficiency.
Silica Also called silica sand or quartz sand, silica is made of silicon dioxide (SiO2). Silicon compounds are the most significant component of the Earthâ??s crust. Since sand is plentiful, easy to mine and relatively easy to process, it is the primary ore source of silicon. The metamorphic rock, quartzite, is another source. Silicon (Si) is a semi-metallic or metalloid, because it has several of the metallic characteristics. Silicon is never found in its natural state, but rather in combination with oxygen as the silicate ion SiO44- in silica-rich rocks such as obsidian, granite, diorite, and sandstone. Feldspar and quartz are the most significant silicate minerals. Silicon alloys include a variety of metals, including iron, aluminum, copper, nickel, manganese and ferrochromium. Uses Ferrosilicon alloys are used to improve the strength and quality of iron and steel products. Tools, for instance, are made of steel and ferrosilicon. In addition to tool steels, an example of â??alloy steels,â?? ferrosilicon is used in the manufacture of stainless steels, carbon steels, and other alloy steels. An alloy steel refers to all finished steels other than stainless and carbon steels. Stainless steels are used when superior corrosion resistance, hygiene, aesthetic, and wear-resistance qualities are needed. Carbon steels are used extensively in suspension bridges and other structural support material, and in automotive bodies, to name a few. Silicon is used in the aluminum industry to improve castability and weldability. Silicon-aluminum alloys tend to have relatively low strength and ductility, so other metals, especially magnesium and copper, are often added to improve strength. In the chemicals industry, silicon metal is the starting point for the production of silianes, silicones, fumed silica, and semiconductor-grade silicon. Silanes are the used to make silicone resins, lubricants, anti-foaming agents, and water-repellent compounds. Silicones are used as lubricants, hydraulic fluids, electrical insulators, and moisture-proof treatments. Semiconductor-grade silicon is used in the manufacture of silicon chips and solar cells. Fumed silica is used as a filler in the cement and refractory materials industries, as well as in heat insulation and filling material for synthetic rubbers, polymers and grouts. Silica is used in ceramics and in making glass. Silicon is considered a semiconductor. This means that it conducts electricity, but not as well as a metal such as copper or silver. This physical property makes silicon an important commodity in the computer manufacturing business. Element Type 1 Type 2 SiO2 99.52 99.558 Fe2O3 0.014 0.016 Al2O3 0.142 0.021 TiO2 0.022 0.020 CaO 0.070 0.010 MgO 0.007
Submerged arc furnace¡ait¡¡¥s also known as electric arc furnace or resistance electric furnace. It is mainly used to reducing smelting ore, carbonaceous reducing agent and solvent etc. Mainly adapts to production of ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, silicon manganese alloy and other ferrous alloys, it is an important smelting furnace in metallurgical industry for production of industrial raw materials and calcium carbide and so on chemical raw materials. The working character is to use carbon or magnesia refractory materials as furnace lining, use self roasting electrode. Electrode inserts into the materials inside the furnace for submerged arc operation, using arc energy and current through the materials, and due to the resistance of the materials and produce energy to melt metal. It¡¡¥s a kind of industrial furnace which is worked continuously, charged material in succession, and tapped out metal or slag in intermittent. Capacity:3000kva-33000kva, smelting different ferroalloy by ores.
Category a (aviation kerosene) 1.jet fuel a 1 2.jet fuel ts 1 category b (d2/en590) 1.diesel 10 ppm (gasoil 0.001%s) 2.diesel 50 ppm (gasoil 0.005%s) 3.diesel 500 ppm (gasoil 0.05%s) 4.diesel 1000 ppm (gasoil 0.1%s) 5.diesel 2500 ppm (gasoil 0.25%s) category c (petrol) 1.unleaded gasoline ron 92 2.unleaded gasoline ron 95 3.unleaded gasoline ron 97 category d (d6 residual fuel) 1.fuel oil 3.5% 180 cst 2.fuel oil 3.5% 380 cst bitumen, base oil, white spirit, recycle base oil, bio diesel, fuel oil, lng & lpg, diesel, pet coke, petrol, crude oil, fmcg like raw metal like steel rebar, billets & slabs, aluminum ingots, copper cathode & electrodes, low carbon ferrochrome, ferrosilicon 72% and 75%, lead, zinc, casing, tubing, drill pipes, line pipes, valves package, industrial scrap & surplus : steel, copper.Turnkey supply, payment terms 100% irrevocable without recourse confirmed non transferable dlc/sblc/bg, payment terms under l/c or usance l/c 30/60/90/120/180days only from prime bank with confirmation.
