40XMΦA

 

 
 
Composition:

 

%C %Si %Mn %P %S Cr Mo V Cu
0.37-0.44 0.17-0.37 0.4-0.7 Max 0.025 Max0.025 0.8-1.1 0.2-0.3 0.1-0.18 Max 0.3

 

Hot working:

Forging temperature range: 1200-850℃

Note: Heat to 1230 ℃. 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