1.6580 30 CrNiMo 8

 

This grade is for general engineering purposes and quenching & tempering. It is Heat-treatable steel.
 
Composition:

 

%C %Si %Mn %P %S %Cr %Mo %Ni  % B
0,26-0,34 ≤0,40 0,30-0,60 0,035 0,035 1,80-2,20 0,30-0,50 1,80-2,20
                 

 

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 ℃
650-700 248 850-880 830-860 540-680

 

Main application:

Structural components for heavy demands
 
Shape of product:

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