90MnV8 / 1.2842

Apvalus strypai
nuo Ø12mm iki Ø252mm
Juostos ir kvadratai
storis nuo 8mm iki 110mm

 

Description:

cold work tool steel with high hardenability and hardness; good ductility and shape stability after hardening, good cutting properties

 

Application:

gauges, measuring tools, long taps, threading dies, reamers, blanking dies, circular knives for paper and leather, milling cutters, punches, shear blades, work-rest blades

 

Chemical composition [%]

C Mn Si P S Cr Ni Mo W V Co Cu
0,85-0,95 1,8-2,1 0,15-0,4 max 0,03 max 0,03 max 0,35 max 0,35 max 0,2 max 0,2 0,1-0,25 - max 0,35

 

Equivalents

PN W. nr EN AISI Russia (GOST) Other
NMV 1.2842 90MnV8 O2 9G2F K720

 

Processes

welding NO
forging YES
rolling YES
nitriding NO
hardening YES temp. 780 – 820 [°C] oil
tempering YES temp. 200 – 280 [°C]

 

Hardness

after toughening 61 HRC
after softening 230 HB