• Name: 1.2311/P20


DIN
AISI
JIS
GB
1.2311
P20
-
3Cr2Mo

Chemical Composition(DIN 17350)


C

Si

Mn

P≤

S≤

Cr

Mo

0.35

0.20

1.30

0.035

0.035

1.80

0.15

0.45

0.40

1.60

2.10

0.25

 

Steel Properties

Cold or hot work tool steel.It is supplied hardened and tempered to 880-1080 N/mm2.Good machinability,better polishability as DIN 1.2312,suitable for texturing.


Applications

For large injection moulds,forge drop hammer dies,intermediate boxes...


Heat Treatment


Soft Annealing(℃)

Cooling

Hardness(HB)

Hardening( ℃ )

In

Hardness(HRC)

710-740

Furnace

Max.230

830-880

air,oil,thermal
bath 500-550℃

51 HRC



Tempering ( ℃)

100

200

300

400

500

600

700

HRC

51

50

48

46

42

36

28

N/mm2

1730

1680

1570

1480

1330

1140

920

Key words :

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Mr. Tom Liu

Email: tom@zxspecialsteel.com
Tel: 86-714-6556161
Fax: 86-714-6556161
Mobile:86-15972351113 (WhatsApp,Wechat)  Skype:zhiyongliu1022

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  • Machining Sevice:
  • Grinding,Turning,Milling,Peeling and other machining sevice is available.
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  • Heat Treatment Sevice:
  • Steel Annealing,Normalizing,Hardening,Quenching + Tempering and other heat treatment sevice is available.
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