Plastic Mould Steel Block

Minimum Order Quantity

200 Kilogram

Coefficient of thermal expansionat Degree C

20-700

Cooling

Furnace

Hardening Degree C

840 - 870

Hardness after quenching HRC

51

Hardness HB

Max 235

Quenching

Polymer or Oil

Width

40 to 700 mm

Application

Automobile Industry

Soft Annealing

710 - 740 Deg C

Thickness

20 - 400 mm

C

Si

Mn

P

S

Cr

Ni

Mo

0.35-0.45

0.20-0.40

1.30-1.60

0.030max

0.030max

1.80-2.10

1.90-1.20

0.15-0.35

Coefficient of Thermal Expansion at °C

10¯ m / (m*K)

20-100

11.2

20-200

12.8

20-300

13.5

20-400

13.7

20-500

14.3

20-600

14.7

20-700

14.9

Thermal Conductivity at °C

W / (m*K)

20

35

350

34

700

33

Soft Annealing °C

710-740

Cooling

Furnace

Hardness HB

max. 235

Hardening °C

840-870

Quenching

Polymer or Oil

Hardness after quenching HRC

51

Tempering°C after quenching

100

200

300

400

500

600

700

HRC

51.5

50.2

48

46.2

43

39

29