Tungsten Karbid Dichtungen

Suitable Tungsten Karbid Grad for manufacturing seals
D=Dichte g/mm3, H= Härte HRA, BS=Bending Strenght N/mm2,
EC=Expansion Coefficient (10ˉ6/K, 25-500 oc)

WC,Co.Ni

Grade

Content

D

H

BS

EC

WC

Co

Ni

WC-Co

Y86B

94

6

-

14.8-15

89.5

1421

5.0

WC-Co

Y68B

92

8

-

14.5-14.9

89

1472

5.1

WC-Co

Y615B

85

15

-

13.9-14.2

87

2068

5.3

WC-Ni

YWN8B

92

-

8

14.4-14.8

88

1470

5.3

WC-Ni-Co

YCN3B

97

(CO+NNi)3

-

15.0-15.3

91

1300

4.3