Segment Core Components Recommended Material for Twin Extruder

Alloy Name

Material Type

Fe

C

Cr

Si

Mn

Mo

Ni

V

W

Hardness

WR 5

Powder Tool Steel

Bal

2.4～2.7

5.0～7.0

0.5～1.0

≤0.5

1.3～1.6

--

9.0～10.0

--

HRC 60~64

W6M5Cr4V2(M2)

High Speed Steel

Bal

0.80~0.90

3.8~4.4

0.20~0.45

0.15~0.40

4.5~5.5

≤0.30

1.75~2.20

5.50~6.75

HRC 60~64

C12MoV(D2)

Die Steel

Bal

1.45~1.70

11.0~12.5

≤0.40

≤0.40

0.4～0.6

≤0.25

0.15~0.30

--

HRC 58~60

Alloy Name

Material Type

Fe

C

Cr

Si

Mn

Mo

Ni

Other

Stand Torque Level

WR 30

High Nitrogen Steel

Bal

0.25~0.30

14.0~16.0

0.9~1.10

0.9~1.1

0.85~1.10

0.40~0.60

N 0.3~0.5

11 Grade，L/D ≥48

45CrNiMoVA

High Torque Steel

Bal

0.42~0.49

0.80~1.10

0.17~0.37

0.5~0.8

0.20~0.30

1.30~1.80

V 0.1~0.2

9 Grade，L/D 48

40CrNiMoA(4340)

Torque Steel

Bal

0.37~0.44

0.60~0.90

0.17~0.37

0.5~0.8

0.15~0.25

1.25~1.65

--

8 Grade，L/D 36~48