6ХВ2С / 55WCrV8 / 1.2550

Apvalus strypai
nuo Ø12mm iki Ø252mm
Juostos ir kvadratai
plotis nuo 30mm iki 300mm

 

Description:

oil hardening cold work tool steel, with high ductility, wear resistant, with significant durability and impact resistance of a blade

 

Application:

punches, cold chisels, dies, knives for cutting wood and metals, bending dies, woodworking tools, guillotine shear blades, chisels for pneumatic jack hammers, shear blades

 

Chemical composition [%]

C Mn Si P S Cr Ni Mo W V Co Cu
0,5-0,6 0,15-0,45 0,8-1,1 max 0,03 max 0,03 0,9-1,2 max 0,35 max 0,2 1,7-0,3 0,15-0,3 - max 0,35

 

Equivalents

PN W. nr EN AISI Russia (GOST) Other
NZ3 1.2550 55WCrV8 ~S1 ~6HW2S K455

 

Processes

welding NO
forging YES
rolling YES
nitriding NO
hardening YES temp. 900 – 920 [°C] oil
tempering YES temp. 200 – 320 [°C]

 

Hardness

after toughening 57 HRC
after softening 255 HB