Medium Ferro Chrome-Ferro Chrome-yrzmetal.com/

Medium Ferro Chrome

Ferrochrome is an iron alloy composed of chromium and iron. It is an important alloy additive in steelmaking.

Medium carbon ferrochrome (MC FeCr), with a carbon content of between 0.5-4%, is used in the foundry industry as well as in steelmaking plants where refining capacity is limited but low silicon content is desired.

MC FeCr can be produced by the silico-thermic reduction of chromite ore and concentrates or by the decarburisation of HC FeCr in an oxygen-blown converter. The silico-thermic route is more economic and therefore more important today for producing MC FeCr. This may be because of the low demand for MC FeCr compared to the high demand for HC FeCr. LC FeCr can be produced by the same process.

Application:

Steelmaking

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Introduction

Medium Carbon Ferro Chrome

Ferro-Chrome is an alloy of chromium and iron containing between 50% and 70% chromium. The ferrochrome is produced by electric arc melting of chromite and chromium ore. Most of the world’s Ferro-Chrome is produced in South Africa, Kazakhstan and India, which have large domestic chromite resources.

The production of steel is the largest consumer of Ferro Chrome, especially the production of stainless steel with a chromium content of between 10 and 20%.
Ferro-Chrome with chrome content below 56% is known as ‘charge chrome’ and produced from a chrome containing ore with a lower chrome content.

Alternatively, High Carbon Ferro-Chrome produced from higher grade ore, is more commonly used in specialist applications such as engineering steels where a high Cr to Fe ratio and minimum levels of other elements such as sulfur, phosphorus and titanium are important.

Specification

Category	Brand	Chemical Composition	Cr		C	Si		P		S
			Cr		C	Si		P		S
			1	2		1	2	1	2	1	2

Extreme LC FeCr		Cr	≥		≤
	FeCr65C0.06	60-70	60	52	0.06	1.0	2.0	0.03	0.06	0.025
	FeCr55C0.06	60-70	60	52	0.06	1.5	2.0	0.04	0.06	0.03
	FeCr65C0.10	60-70	60	52	0.10	1.0	2.0	0.03	0.06	0.025
	FeCr55C0.10	60-70	60	52	0.10	1.5	2.0	0.04	0.06	0.03
	FeCr65C0.15	60-70	60	52	0.15	1.0	2.0	0.03	0.06	0.025
	FeCr55C0.15	60-70	60	52	0.15	1.5	2.0	0.04	0.06	0.03
LC FeCr	FeCr69C0.25	63-75	60	52	0.25	1.5	3.0	0.03	0.06	0.025	0.05
	FeCr55C0.25	63-75	60	52	0.25	2.0	3.0	0.04	0.06	0.03	0.05
	FeCr69C0.50	63-75	60	52	0.50	1.5	3.0	0.03	0.06	0.025	0.05
	FeCr55C0.50	63-75	60	52	0.50	2.0	3.0	0.04	0.06	0.03	0.05
MC FeCr	FeCr69C1.0	63-75	60	52	1.0	1.5	3.0	0.03	0.06	0.025	0.05
	FeCr55C1.0	63-75	60	52	1.0	2.5	3.0	0.04	0.06	0.03	0.05
	FeCr69C2.0	63-75	60	52	2.0	1.5	3.0	0.03	0.06	0.025	0.05
	FeCr55C2.0	63-75	60	52	2.0	2.5	3.0	0.04	0.06	0.03	0.05
	FeCr69C4.0	63-75	60	52	4.0	1.5	3.0	0.03	0.06	0.025	0.05
	FeCr55C4.0	63-75	60	52	4.0	2.5	3.0	0.04	0.06	0.03	0.05
HC FeCr	FeCr67C6.0	52-72	60	52	6.0	3.0	5.0	0.03	0.06	0.04	0.06
	FeGr55C6.0	52-72	60	52	6.0	3.0	5.0	0.04	0.06	0.04	0.06
	FeCr67C9.5	52-72	60	52	9.5	3.0	5.0	0.03	0.06	0.04	0.06
	FeCr55C10.0	52-72	60	52	10	3.0	5.0	0.04	0.06	0.04	0.06