34CrNiNo6 / 1.6582

Apvalus strypai
nuo Ø20mm iki Ø320mm

 

Description:

Toughening steel

 

Application:

crankshafts of aircraft engines, driving shafts, large-sized turbine components, gear wheels, rotors and discs of steam turbines.

 

Chemical composition [%]

C Mn Si P S Cr Ni Mo W V Co Cu
0,32-0,40 0,5-0,7 0,17-0,37 max 0,035 max 0,035 1,3-1,7 1,3-1,7 0,15-0,25 - - - max 0,3

 

Equivalents

PN W. nr EN AISI Russia (GOST) Other
34HNM 1.6582 34CrNiMo6 4337 38Ch2N2MA 16343

 

Processes

welding YES
forging YES
rolling YES
nitriding YES
hardening YES temp. 820 – 860 [°C]
tempering YES temp. 540 – 680 [°C]

 

Hardness

after softening 248 HB