1.2344 X 40 CrMoV 51


1.2344 is one of the hot work, chromium type tool steels. It also contains molybdenum and vanadium as strengthening agents. The chromium content assists this alloy to resist softening if used at higher temperatures.



%C %Si %Mn %P %S %Co %Cr %Mo %Ni %V %W Others
0,37-0,43 0,90-1,20 0,30-0,50 0,030 0,030 4,80-5,50 1,20-1,50 0,90-1,10


Hot working:

Forging temperature range: 1100-850℃

Note: Heat to 1200 ℃. Do not forge below 850.

Heat treatment:

Soft annealing As annealed hardness(≤ HB30) Hardening Temper
750-780 235 1020-1060 SS0-650


Main application:

Oil- or air-cooled extrusion and piercing mandrels of extruding presses

Shape of product:

Round, flat, step shape, ring, disc, shaft, other shape depend on customer needs