Properties

Symbol

Unit

Value

Eutectoide temperature

Ac1

K

996

Austenization temperature

Ac3

K

1053

Melting temperature

Tf

K

1700.15

Reflection coefficient

Rc

-

0.6

Absorptivity of the material

Ac

m−1

800

Austenite grain size

g

µm

10

Pre-exponential for the

carbon diffusion

D0

m2/s

6 × 10−5

Activation energy for carbon diffusion in ferrite

Q

KJ/mol

80

Gas constant

R

J/mol·K

8.314