| 1.6587 | 17 CrNiMo 6 |
It is a case hardening steel.
Composition:
| %C | %Si | %Mn | %P | %S | %Cr | %Mo | %Ni | % B |
| 0,14-0,19 | 0,40 | 1,00-1,30 | 0,035 | 0,035 | 0,80-1,10 | – | – | – |
.
Hot working:
Forging temperature range: 1100-850℃
Note: Heat to 1200 ℃. Do not forge below 850.
Heat treatment:
| Soft annealing | Heat treatment to obtain a certain structure(
treated for quenching stress) |
Heat treatment to obtain a certain tensile strength( treated for ferrite-pearlite microstructure and quenching stress) | Carburize | Core hardening | intermediate annealing | Surface hardening | Temper |
| 650-700 | 850-950 | 900-1000 | 900-950 | 840-870 | 630-650 | 800-830 | 170-210 |
Main application:
Plate wheels, driving pinions and highly stressed cog wheels
Shape of product:
Round, flat, step shape, ring, disc, shaft, other shape depend on customer needs