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