Standard

Name

AISI/SAE

AISI 630

ASTM

ASTM A564

EN

X5CrNiCuNb16-4

DIN

1.4542

Element

Percentage

Carbon (C)

0.07 max

Manganese (Mn)

1.50 max

Silicon (Si)

1.00 max

Chromium (Cr)

15.00 – 17.50

Nickel (Ni)

3.00 – 5.00

Copper (Cu)

3.00 – 5.00

Phosphorus (P)

0.04 max

Sulfur (S)

0.03 max

Molybdenum (Mo)

0.50 – 0.65

Heat Treatment Process

Temperature Range (°C)

Solution Annealing

1010-1060

Aging (Precipitation Hardening)

480-650 for 1-4 hours (Air cooling)

650

600

500

450

400

300

200

100

Aging Temp°C

32

35

43

46

42

36

34

34

Hardness (HRC)