40Х2Н4МА / X45NiCrMo4 / 1.2767

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

 

Description:

cold work tool steel; with high impact resistance, good plasticity, good hardenability and  bright polishability

Application:

forging dies, punches, stamping dies, pressing rollers, drifts, coin stamping tools, large blades for cold cutting thick semi-finished steel products, cold forging and extruding dies, mould inserts

 

Chemical composition [%]
C Mn Si P S Cr Ni Mo W V Co Cu
0,45 0,4 0,25 max 0,04 max 0,03 1,4 4 0,3 0,5 0,5 - -

 

Equivalents
PN W. nr EN AISI Russia (GOST) Other
~NPW 1.2767 X45NiCrMo4 6F7 - K600

 

Processes
welding NO
forging YES
rolling YES
nitriding YES
hardening YES temp. 500 – 650 [°C]
tempering YES temp. 220 – 350 [°C]

 

Hardness
after toughening 56 HRC
after softening 260 HB