FeMn/femn Used In Steelmaking

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Specifications

1 Professional manufacturer
2 largely used in steelmaking
3 Inspection:CIQ SGS

1 Application

Ferromanganese a ferroalloy with high content of manganese, is made by heating a mixture of the oxides MnO₂ and Fe₂O₃, with carbon, usually as coal and coke, in either a blast furnace or an electric arc furnace-type system, called a submerged arc furnace. The oxides undergo carbothermal reduction in the furnaces, producing the ferromanganese. Ferromanganese is used as a deoxidizer for steel.

2 Specification

Type	Brand	Chemical Compositions (%)
		Mn	C	Si		P		S
			C	1	2	1	2	S
			≤
Low-carbon ferromanganese	FeMn88C0.2	85.0-92.0	0.2	1.0	2.0	0.10	0.30	0.02
	FeMn84C0.4	80.0-87.0	0.4	1.0	2.0	0.15	0.30	0.02
	FeMn84C0.7	80.0-87.0	0.7	1.0	2.0	0.20	0.30	0.02
Medium-carbon ferromanganese	FeMn82C1.0	78.0-85.0	1.0	1.5	2.5	0.20	0.35	0.03
	FeMn82C1.5	78.0-85.0	1.5	1.5	2.5	0.20	0.35	0.03
	FeMn78C2.0	75.0-82.0	2.0	1.5	2.5	0.20	0.40	0.03
High-carbon ferromanganese	FeMn78C8.0	70.0-82.0	8.0	1.5	2.5	0.20	0.33	0.03
	FeMn74C7.5	70.0-77.0	7.5	2.0	3.0	0.25	0.38	0.03
	FeMn68C7.0	65.0-72.0	7.0	2.5	4.5	0.25	0.40	0.03

Application

1. Mainly used as alloy additives and deoxidizer in steelmaking.

2. Used as alloy agent ,widely applied to be widely applied to alloy steel, such as structural steel, tool steel, stainless and
heat-resistant steel and abrasion-resistant steel.

3. It also has the performance that it can desulfurize and decrease the harmfulness of sulfur. So when we make steel and cast iron, we always need certain account of manganese.

Q: Are there any German products called K44 which are imported into cemented carbide materials? I am machining hole, K44 is better than domestic material K30?: K44 never heard of it! All I know is K40.K40 is better than K30, but almost stiff.K40 is suitable for rough machining, and K30 is suitable for finish machining.It's better to process K40 holes in general.

Q: Big brother on the 1 floor is exaggerating. It's impossible at all: The shrinkage coefficient must be taken into account, but the technical requirement is quite high and the molding is difficultIn the processing of hard alloy threads, if high precision, small hole, can be used in EDM processing, now EDM with C axis, don't work fixture, the thread can play any pitch, as long as the processing thread electrode is.

Q: High end markets for cemented carbides: The high-speed steel cutting tools are being reduced by 1% to 2% annually, and the proportion has been reduced to less than 30%.At the same time, the hard alloy cutting tools in China has become the main tool required for processing enterprises, is widely used in the production of auto parts, mold manufacturing, aerospace and other industrial fields, but our tool enterprises blindly, but a large amount of production of high speed steel and some low-grade standard tools, with no consideration the saturation of the market and enterprises need to end with high value-added, high-tech high-end tool market "over" to foreign enterprises.The data shows, our tool has annual sales of approximately 14 billion 500 million yuan, of which the proportion of hard alloy cutter is less than 25%, more than carbide tool but domestic manufacturing industry has occupied the required tool 50%, the blind production has serious domestic manufacturing industry can not meet the growing demand for hard alloy cutting tools, forming the vacuum in the high-end market, is dominated by foreign enterprises.

Q: What is the tungsten alloy blade, what is the difference with the hard alloy blade? What is it for?: Tungsten alloy blade is a kind of hard alloy, metal processing used in the workpiece.

Q: The milling of hard cutting workpiece hard alloy cutter knife edge collapse and Countermeasures of reason: Hard to turn materials require different speeds and special turning tools. There is a reasonable amount of feed. Ordinary alloy knives are very easy to break

Q: What are the types of cemented carbides?: 5, industry special cutter category, including auto industry special knife, mobilization machine, industry special knife, sewing machine industry special knife, die industry special knife, textile machine special knife and printed circuit board industry special knife.Hard alloy tool with cemented carbide and carbon steel bar welded, it is characterized with high hardness, wear resistance and heat resistance of hard alloy blades are made of high abrasion resistance and high heat resistance WC (tungsten carbide), TiC (Tan Huatai), TaC (TAC) and Co (cobalt) powder after high temperature sintering.Different cemented carbide is suitable for different purposes, so you can refer to the following, I hope you can help!

Q: What is the hardness of the carbide thread?: The hardness of cemented carbide tools is generally between 89~92.8, such as the hardness of YG8 is HRA89, the hardness of YT30 is 92.8, and the hardness of YT15 is 91.

Q: Customers ask whether cemented carbide can be used in the food industry! ~: Yes, but try not to use regular brands to choose special non-toxic ingredients.

Q: Why is Zhuzhou cemented carbide plant called (601) what is this code number? What does it stand for? 601, production of military?I found the Zhuzhou code factories such as: Zhuzhou hard alloy factory (code 601) Zhuzhou Southern Power Machinery Factory (code 331) Zhuzhou vehicle factory (code 430) add code 6+0+1=7 3+3+1=7 4+3+0=7 are equal to 7 this is the 7 to have the meaning or coincidence: Construction 601 is for military services, and now the city has changed. Now there are many military factories are code names, only know its code name, I do not know what it is to do.

Q: What blade does the high carbide material use?: No ceramic blade, with PCD, the wear resistance of the ceramic blade or worse, the car hard alloy finishing non diamond tool, we have tried before, the crude car available the whole CBN tool, we use the case of personal data, some contact, welcome to consult

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