FeSi 75 - A for Casting Manufactural and Steel Making

FeSi 75 - A for Casting Manufactural and Steel Making System 1

FeSi 75 - A for Casting Manufactural and Steel Making

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FeSi 75 - A for Casting Manufactural and Steel Making

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.

Apperance: lump powder ingot briquette ;silver grey or dark grey with metallic luster.

Property:high metaling point ,good heat hesistance ,high resisting and superior oxidation resisitance.

size: 10-100 mm, 3-10mm, 0-3mm 1-3mm or as customers'requirement.

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

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

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

Pictures:

FeSi 75 - A for Casting Manufactural and Steel Making

Q: In addition, the same furnace products out, the standard sample bar is qualified, no hole, but YT14 blade has more holes, why is that ah?: YT14 alloy you said, if the above holes can start from the following aspects, 1, raw materials, dirty and high oxygen content, impurity content, sintering, 2.If the hole shape of the dirty and dirty, you can see some holes around a circle with cobalt layer, small holes are filled with cobalt, cobalt pool formation, if not pressure, hole like narrow shape.

Q: How much is a kilogram of cemented carbide now recycled?: Generally speaking, the retail price is 85 yuan per kilogram, of course, the price of large companies can be relatively high. The current market situation is not good, I suggest holding goods wait-and-see.

Q: Machining center 8 mm carbide cutter processing 45 steel, how to set the speed, feed, and moving speed?: Faster, two RPM 1 mm, too fast, with G96 RPM feed 0.2 below

Q: Carbide coated drill bit will reduce the service life after grinding, how to avoid?: Hello, there is no way to avoid the problem of reducing the service life of the carbide coated drill bit after grinding;Cemented carbide bit, in its use, the surface coating, the blade has already been damaged, can not reach the integrity of the factory, so that it affects the service life of the drill bit,There is a need to be re grinding, coating, the coating has physical and chemical coating and coating, coating chemical now use more chemical coating basically is the tool coating at high temperature, so the temperature can cause 2 damage of cemented carbide substrate;So it also affects the service life;The effect of bit life, the most important is the geometric design of drill bit; before the design is not good, but when re grinding and grinding a good point, sometimes improve the service life, but the original drill must use will reduce the life of the;About those problems mentioned above, in fact, that is, some methods to improve the service life of the drill, upstairs can refer to

Q: Big brother on the 1 floor is exaggerating. It's impossible at all: If it needs higher precision, it can only be machined with internal thread grinding machine. It can be used for grinding different specifications of thread, and the efficiency is higher than that of electric pulse, and the size is goodSpecific processing, you can contact me in detail

Q: What is the hardness of cemented carbide?: Different grades, different hardness, usually (86 ~ 93HRA, equivalent to 69 ~ 81HRC);

Q: It is hard alloy steel: The main ingredients of cemented carbide is tungsten and cobalt, and in some places have made the hard alloy steel. You can go to Zhuzhou tungsten tungsten alloy Co., Ltd. online lawsuit, you can find Baidu tungsten alloy in Zhuzhou

Q: What does American standard cemented carbide grain size C mean?: Then, when the mixture is granulated and pressed and heated to a point near the bonding metal (1300~1500 DEG C), the eutectic alloy is formed by the hardening and bonding of the metal. After cooling, the hardened phases are distributed in a grid of bonded metals that are closely related to each other and form a solid whole. The hardness of cemented carbide depends on the content of the hardened phase and grain size. The higher the content of the hardened phase and the finer the grain, the greater the hardness. The toughness of cemented carbide is determined by bonding metal. The higher the bonding metal content is, the greater the bending strength is. The effect of grain size on the mechanical properties of metals has a curve diagram: the strength of both ends is large and the middle is low. Explain: the mechanical properties of single crystals are very good. The finer the grain, the better the mechanical properties, but the mechanical properties of the single crystal with infinite size are much better than the grain's infinitesimal! A lot of grain size control method, the main principle of two: 1, increase the metal crystallization undercooling of 2, increase the crystal nucleus specific methods: electromagnetic stirring, adding grain refiner (such as Aluminum Alloy plus Al-Ti-C master alloy as grain refiner), lower solidification temperature, and fine grain of alloy elements and so on many.

Q: Where does Tianjin sell yt30 carbide tool?: Now there are the same, express, everything is not afraid. I am the agent of Zigong the Great Wall brand cemented carbide, quality assurance, definitely authentic.