Chemical composition

Purity

The following components are not greater than(%)

V ≥

C

Al

Si

N

Fe

Cr

Hydrogen loss(%) ≤

99.9%

0.02

0.01

0.005

0.01

0.035

0.015

0.035

99.95%

0.01

0.004

0.004

0.006

0.005

0.005

0.025