Composite name

Strength at bending,

σ_bend.,MPa

HRA

HV, GPa

at 5N load

HV, GPa

at 15N load

HV, GPa

at 50N load

T

900 - 1150

88 - 89

9 - 10

8 - 9

7 - 8

BK8

1400 - 1500

89 - 90

10 - 11

11 - 12

11 - 12

KNT20

1300 - 1400

89 - 90

15 - 16

16 - 17

14 - 15