Sodium molybdate,--Anhui Kaihong I&E Co., Ltd.

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Chromium carbide

Products name

Chromium carbide

CAS No.

12012-35-0

EINECS

234-576-1

Molecular formula

Cr₃C₂

Molecular weight

180.01

Melting point

1890°C

Boiling point

3800°C

Density

6.68 g/mL at 25 °C(lit.)

Appearance and properties

Gray powder, orthorhombic system, a = 2.821, b, c = = 5.52 11.46, the relative density of 6.68. Melting point is 1890 ℃. The boiling point of 3800 ℃. Micro vickers hardness (50 g) load of 2700 kg/rnrn², thermal expansion coefficient of 10.3 x 10^-6 / K.

Application

Used in the production of abrasion resistance film and semiconductor film

Ingredient

Grade		F Cr₃C₂-1	F Cr₃C₂-2
Main ingredients (%)	Total carbon	≥12.8	≥12.8
Main ingredients (%)	Free carbon	≤0.20	≤0.20
Impurity content is not greater than (%)	Ca	0.02	0.02
	Fe	0.10	0.15
	Mo	0.15	0.15
	N	0.1	0.15
	Na+K	0.005	0.005
	O	0.5	0.25
	Si	0.05	0.08
	AI	0.02	-
	P	0.05	0.05
	S	0.03	0.05
Fischer particle size		≤2.0um	2.0-3.5um

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