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Chromite Ore

Chromite Ore
Chromite Ore
Product Code : 08
Brand Name : SHARDOO CO
Product Description

Chrome Ore

Chromite is an oxide mineral composed of chromium, iron and oxygen (FeCr2O4). It also can be found as in a composition to magnesium instead of iron and become the magnesiochromite (MgCr2O4).
It is a dark gray to black in color with a metallic to sub-metallic luster and a high specific gravity. It occurs in basic and ultra basic igneous rocks and in the metamorphic and sedimentary rocks that are produced when chromite-bearing rocks are altered by heat or weathering.
Chromite is important because it is the only economic ore of chromium, an essential element for a wide variety of metal, chemical and manufactured products. Many other minerals contain chromium, but none of them are found in deposits that can be economically excavate to produce chromium.

Normal analysis for Chrome ore can be as follow:

Chemical Composition:

  • Cr2O3: 28.00% – 48.00%  (Bellow 28% reject)
  • SiO2:   12.00%    Max
  • Al2O3:  14.00%   Max
  • Cr/Fe:   2.5%      Min
  • MgO: 23.00%     Max
  • S: 0.09%    Max
  • P: 0.09%    Max

Physical Composition (on Natural Basis):

  • Acceptable Size: 0 -300 mm   (bellow 10mm: 20% – above 10mm: 80%     in AVERAGE)

Moisture: 3.00% Max

Uses of Chromite and Chromium

Chromium is a metal used to induce hardness, toughness and chemical resistance in steel. The alloy produced is known as “stainless steel.” When alloyed with iron and nickel, it produces an alloy known as “nichrome” which is resistant to high temperatures and used to make heating units, ovens and other appliances. Thin coatings of chromium alloys are used as plating on auto parts, appliances and other products. Chromium is also vital in the aerospace industry because it is used to anodize the aluminum that is used to build aircraft and related equipment. These are given the name “chrome plated.” It is also used to make super-alloys that can perform well in the hot, corrosive, and high-stress environment of jet engines.

Technical Specification

Ferro Chromium – HC

Cr

60 – 65 or 63 – 67

%

C

6 – 8

%

Si

1 – 3

% max

S

0.05

% max

P

0.05

% max


Ferro Chromium – LC

Cr

65 – 70

% min

C

0.03 or 0.06 or 0.1 or 0.15

% max

Si

1.5

% max

S

0.04

% max

P

0.04

% max



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SHARDOO CO
#321, Milad Commercial tower, Jomhouri Eslami Blvd, Kerman Iran
Mr. Mansour Shiani (Trade Manager)
Mr. Abdul rahim Mojtabaiee (Marketing Manager)
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Kerman Office (Headquarter)
Address: #321, Milad Commercial tower, Jomhouri Eslami Blvd, Kerman - Iran
Mobile (Trade dept.): +98 913 766 4536

Tehran Office
Address: Flat# 403, No. 29, Khorasani Ave., Qeytariyeh – Tehran – Iran
Tel: +98 21 2664 6590
Tel/Fax: +98 21 2223 0930

Tehran Office Manager : Ms. Saiedeh Marouf (Mobile: +98 912 061 7129)
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