1.7225 42 CrMo 4

 

 

This grade is generally suitable for heat treatment, constructional applications and similar uses.

Composition:

 

%C %Si %Mn %P %S %Cr %Mo %Ni  % Other
0,38-0,45 0,40 0.6-0.9 0,035 0,035 0,90-1,20 0.15-0.3 – –

 

Hot working:

Forging temperature range: 1100-850

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

Heat treatment:

Soft annealing ℃ HB 30-soft annealed Normalizing ℃ Hardening temperature for quenching in Water ℃ Hardening temperature for quenching in Oil ℃ Tempering temperature ℃
680-720 248 840-880 820-850 830-860 540-680

 

Main application:

Bushes, arbors, control components, links

Shape of product:

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