Ferro Silicon Origin In Ningxia Province CNBM China

Ferro Silicon Origin In Ningxia Province CNBM China System 1

Ferro Silicon Origin In Ningxia Province CNBM China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 0 m.t.

Supply Capability:: 20000 m.t./month

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Ferro Silicon Description

Ferro Silicon is a kind of ferroalloy which is composed of ferrum and silicon. Ferro Silicon uses coke, quartz

(or silica) as raw materials and is made by electric furnace. Because silicon and oxygen are easily compound

into SiO2, the ferrosilicon is often used as deoxidizer in steelmaking.

Ferro Silicon Application

1. Fesi 75% is often used as deoxidizer in steel- making.

2. Ferrosilicon also can be used as alloy elements join agent, which is widely used in low alloy steel, non-ferrous metal, bearing steel, heat-resistant steels and electrician silicon-steel.

3. It can be used as a reductant in ferroalloy production and chemical industry.

4. In iron industry it can be used as inoculant and nodulizer.

Specification

Brand	Chemical Composition (%)
	Si	Al	Ca	P		S		C		Fe
		<=
FeSi75-A	74.0-80.0	1.5	1		0.035		0.02		0.2		Balance
FeSi75-B	72.0-80.0	1.5	1		0.04		0.02		0.2		Balance
FeSi72	72	1.5	1		0.04		0.02		0.2		Balance
FeSi70	70	1.5	1		0.04		0.02		0.2		Balance
FeSi65	65.0-72.0	2	1		0.04		0.02		0.2		Balance
FeSi45	40.0-47.0	2	2		0.04		0.02		0.2		Balance

Packaging & Shipping
1. Plastic bag(antiproof) +Iron barrel, all adjustable to customer's specific demands.
2. Shipment within 3 working days after production.

Ferro Silicon Size

0-3mm,3-10mm,10-100mm or as the customers’ requirements

Packing

25Kg/bag, 1MT/bag or as your requirements.

Picture

Ferro Silicon Origin In Ningxia Province CNBM China

Q: Chengdu which has carbide scrap acquisition point?: Bars of 75000 yuan / kg (Fu Xujian) Zhejiang Zhoushan self-employed waste tungsten 150-200 yuan / kg, Hebei Hengshui Gucheng County Sindh rare metals tungsten tailings 100-300 yuan / ton Guangzhou lechran gold bars 1200 yuan / kg, Zhengzhou Zhengzhou Hongsen tin small PCB tungsten steel drill 160-190 yuan / kg in Zhejiang Taizhou

Q: What is the specific gravity of cemented carbide?: The carbon content of WC theory is 6.128% (atom 50%). When the carbon content of WC is greater than the theoretical carbon content, the free carbon (WC+C) appears in WC. The existence of free carbon leads to the growth of WC grain around it, resulting in uneven grain of cemented carbide. General requirements of tungsten carbide compound carbon high (more than 6.07%), free carbon (less than 0.05%), the total carbon depends on hard alloy production process and use scope.Under normal circumstances, the total WC carbon content in the vacuum sintering process of the paraffin process is mainly determined by the combined oxygen content in the block prior to sintering. An oxygen content should be increased by 0.75 parts of carbon, that is, WC total carbon, =6.13%+ oxygen content,% * 0.75 (assuming the sintering furnace is neutral atmosphere, in fact, most of the vacuum furnace is carburizing atmosphere, and the total carbon content of WC is less than the calculated value).At present, China's total carbon content of WC is roughly divided into three kinds: paraffin process, vacuum sintering, the total carbon content of WC is about 6.18 + 0.03% (free carbon will increase). The total carbon content of WC for hydrogen sintering of paraffin process is 6.13 + 0.03%. For rubber process, WC total carbon =5.90 + 0.03% is used for hydrogen sintering. The process is sometimes interleaved, so the determination of WC total carbon should be based on specific circumstances.

Q: There are three kinds of cemented carbides, of which tungsten, cobalt and titanium are brittle cemented carbides?: [classification of cemented carbide] ISO carbide carbide cutting into 3 categories: P, K and M.1, P class (equivalent to China's YT class) cemented carbide by WC, TiC, and Co composition, also known as tungsten titanium cobalt carbide. This kind of alloy is mainly used for processing steel materials. Common brands are YT5 (mass fraction of TiC is 5%), YT15 (mass fraction of TiC is 15%), with the mass fraction of TiC increased, the mass fraction of cobalt decreased, hardness and wear resistance increased, bending strength decreased. This kind of hard alloy is not suitable for processing stainless steel and titanium alloy.2, K class (equivalent to China's YG class), carbide composed of WC and Co, also known as tungsten cobalt carbide. These alloys are mainly used to process cast iron, nonferrous metals and their alloys. The common grades are TG6 (cobalt mass fraction 6%) and YG8 (cobalt mass fraction 8%). As the mass fraction of cobalt increases, the hardness and wear resistance decrease, and the flexural strength and toughness increase.3, M class (equivalent to China's YW class), carbide is based on WC, TiC, Co, and then added TaC (or NbC) and into. After the addition of TaC (or NbC), the comprehensive properties of cemented carbide were improved. Such cemented carbide can be used for both cast iron and non-ferrous metals, as well as for steel and for high temperature machining

Q: the blade is hard alloy, the processing material is QT600, the plane lower tool margin is 4mm, the speed and the knife: This belongs to the category of ductile iron, more difficult to process, because the material is hard particles, it is recommended around S=1200 F=400

Q: What cemented carbide does 2gr13 use?: 2Cr13 martensitic stainless steel can be processed by hard alloy YW2, carbide YW2 suitable for heat-resistant steel, high manganese steel, stainless steel and advanced alloy steel and other special difficult to processing steel finishing, semi finishing.

Q: Will the alloy produced at 400 watts be decarburization or carburizing?: This is not necessarily, the hard alloy sintering infiltration decarburization mainly in wet grinding your ingredients and carbon sintering process control, vacuum furnace gas in order to prevent the reaction of pure, alloy with oxygen in the air, infiltration and decarburization products have no direct relationship, of course if it is caused by the leakage of vacuum sintering furnace can not meet the requirements, will lead to the direction of decarburization alloy.

Q: What is the relation between the number of teeth of carbide saw blades?: 4 saw blade body hardness, flatness, end jump requirements are also different. In addition, there are some requirements for the speed of the machine and the feeding speed of the wood. 6, to do the saw blade equipment precision also has the very big relations. 7 'chopping waist' is the most difficult thing to do right now. Another: alloy blade why open? Prevent saw blades; increase friction. For example: 3: multi tooth and Small Tooth cut wood saw blade, what's the difference? The number of teeth of the toothed, generally more number of teeth, more cutting edge in unit time, the cutting performance is better, but the cutting teeth with hard alloy saw blade number, the price is high, but the serrated teeth too close, chip quantity is small, easy to cause the blade fever; the other saw too much when the amount of feed, with improper words cut per tooth little friction will increase the cutting edge and the workpiece, the influence of blade service life. Usually, the pitch of teeth is 15-25mm, and the reasonable number of teeth should be selected according to the cutting material.

Q: Customers ask whether cemented carbide can be used in the food industry! ~: The processing link is possible. Food segment will not be able to ah!

Q: K carbide carbide cutting tools, mainly used for turning what materials?: Suitable for processing stainless steel, non-ferrous metals, non-metallic materials, cast iron and so on