X 40 CrMoV 51

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.

Composition:

%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