Steel No.

Chemical composition, wt%

C

Si

Mn

P

S

Cr

Mo

Ni

V

Ti

N

1

0.585

0.029

0.393

0.011

0.012

1.51

0.605

1.48

0.086

0.0005

0.003

2

0.587

0.046

0.416

0.012

0.013

1.54

0.617

1.56

0.091

0.0293

0.004

3

0.654

0.044

0.461

0.015

0.012

1.58

0.628

1.55

0.093

0.0208

0.012