40ХГМА / 40CrMnMo9 / 1.2311

Juostos, kvadratai, blokai
storis ≥600mm, plotis
≥1000mm

 

Description:

heat treated steel to reach approx. hardness  of 30 HRC, good machinability, good for texturing, very good polishability (better than 1.2312)

Application:

injection moulds, plastic mould bodies and inserts and pressure high gloss moulds

 

Chemical composition [%]
C Mn Si P S Cr Ni Mo W V Co Cu
0,35-0,45 1,3-1,6 0,2-0,4 max 0,03 max 0,03 1,8-2,1 - 0,15-0,25 - - - -

 

Equivalents
PN W. nr EN AISI Russia (GOST) Other
- 1.2311 40CrMnMo9 P20 - M201

 

Processes
nitriding YES
hardening YES temp. 890 – 900 [°C]
tempering YES temp. 450 – 600 [°C]

 

Hardness
after toughening 54 HRC
after softening 240 HB