100CR6 Alloy Steel

Grade

C

Mn

P

S

Si

Ni

Cr

Mo

100CR6

0.90-1.05

0.25-.0.45

0.030 max

0.25max

0.15-0.35

0.3

1.35-1.60

-

Thermal Conductivity at °C

W / (m*K)

20

44.5

350

45

700

46

Soft Annealing °C

700-800

Cooling

Furnace

Hardness HB

max. 207

Stress-relief Annealing °C

600-650

1st Pre-Heating °C

up to approx. 400 in an air-circulating furnace

2nd and 3rd

800 and 900

Hardening °C

800-820

Quenching

520°C Oil Quench

Tempering °C

at least twice 150-200

Hardness after Temperature HRC

61-63