1.5711 40XH

 

 

This grade is available in hot worked and cold finished bar for machining into components such as Connecting rods, bolts, arbors, pins, axle arms. This grade is also used for forgings.
 
Composition:

 

%C %Si %Mn %P %S Cr Mo Ni other
0,32-0,40 0,15-0,35 0,40-0,80 0,035 0,035 0,30-0,70 1,25-1,75 0,32-0,40

 

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 ℃
620-650 850-880 830-860 500-650

 

Main application:

Connecting rods, bolts, arbors, pins, axle arms
 
Shape of product:

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