4X5MФС / X37CrMoV51 / 1.2343

Apvalus strypai
nuo Ø10mm iki Ø603mm
Lakštinis plienas
storis ≥300mm, plotis ≥1000



hot work tool steel, with good ductility, good thermal conductivity, crack resistant in high temperatures, resistant to cooling down with water, high hardenability and resistance to tempering during work, good polishability



moulds for pressure die casting, die inserts, shears and hot cutting guillotine shears, components of presses and dies for light metal stamping, plastic mould inserts


Chemical composition [%]

C Mn Si P S Cr Ni Mo W V Co Cu
0,32-0,42 0,2-0,5 0,8-1,2 max 0,03 max 0,03 4,5-5,5 max 0,35 1,2-1,5 max 0,3 0,3-0,5 max 0,3 max 0,3



PN W. nr EN AISI Russia (GOST) Other
WCL 1.2343 X37CrMoV51 H11 4Ch5MFS W300



welding NO
forging YES
rolling YES
nitriding YES
hardening YES temp. 980 – 1030 [°C] oil / air
tempering YES temp. 450 – 550 [°C]



after toughening 56 HRC
after softening 230 HB