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Silicon Carbide   Tungsten Carbide

Silicon Carbide Tungsten Carbide

Silicon Carbide Tungsten Carbide Main Performance Index of Silicon Carbide(SiC) Item Unit SiC SSiC Purity % 90 98 Density g/cm3 3.05 3.1 Shore Hardness HS 110-125 120-130 Elastic Modulus Mpa 4.12x105 ...

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  • Silicon Carbide   Tungsten Carbide
  • Silicon Carbide   Tungsten Carbide
  • Silicon Carbide   Tungsten Carbide
  • Silicon Carbide   Tungsten Carbide
Silicon Carbide  Tungsten Carbide

 

Main Performance Index of Silicon Carbide(SiC)

Item

Unit

SiC

SSiC

Purity

%

≥90

≥98

Density

g/cm3

3.05

3.1

Shore Hardness

HS

110-125

120-130

Elastic Modulus

Mpa

4.12x105

4.10 x 10s

Poisson Ratio

 

0.15

0.16

Tensile Strength

Mpa

2.75 x102

2.8 x 102

Bending Strength

Mpa

4.41 x102

4.9 x 102

Compression Strength

Mpa

2.94 x103

3.0 x 103

Thermal Conductivity

W/m.k

141 (W/m.k)

147(W/m.k)

Coefficient ofThermal Expansion

l/℃

4.3x10-6

4.0 x 10-6

Heat Resistance

 

1600C

165CTC

Thermal Impact Coefficient

cal/cm.sec

46.5

200

Acid Resistance

 

5 times higher than the usual TC

 

Resist al chemical media





The Corrosion Test for Four Materials in Reagent

Test Environment

 (mg/cm2yr) Conosive Agravity

Reagent Concentration

(℃) Temperature

TC(6%)

SiC1

SSiC

Ceramic (99%)

98% H2S04

100

>1000

55

1.8

65

50% NaOH

100

5

>1000

2.5

75

53% HF

25

8

7.9

<0.2

20

85% H3P04

100

55

8.8

<0.2

>1000

70% HN03

100

>1000

0.5

<0.2

7

45% KOH

100

3

>1000

<0.2

60

25% HCL

70

85

0.9

<0.2

72

10%HF+ 57% HN03

25

>1000

>1000

<0.2

16




Main Technology Data of Tungsten Carbide(TC)

Item

WC-Co

WC-Co

WC-Ni

Brand No.

YG6

YG15

YWN8

Density

14.6-15.0

13.9-14.2

14.4 ~14.8

HRA

89.5

87.0

88.0

Bending Strength

1421

2058

1470

Linear Expansivity 10-6/K(2(TC ~500℃)

5.0

6.3

5.3

Medium

Resistant against: Oil, sewage water, weak acid/alkali ect.

Strong erosive medium


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