1.7131 16 MnCr 5



It is a case hardening steel (CrMn steel).it has low hardenability, good machinability and weldability



%C %Si %Mn %P %S %Cr %Mo %Ni  % B
0,14-0,19 0,40 1,00-1,30 0,035 0,035 0,80-1,10


Hot working:

Forging temperature range: 1200-850℃

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


Heat treatment:

Soft annealing Heat treatment to obtain a certain structure Heat treatment to obtain a certain tensile strength Carburize Core hardening Temper
650-700 850-950 900-1000 900-950 850-880  170-210






Main application:

Small cog wheels, arbors, cardan joints, parts of control, Helical gear wheels, guide bars, guiding columns


Shape of product:

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