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