| 1.7149 | 20 MnCrS 5 |
1.7149 Steel is an alloy steel made up for primary forming into wrought products.
Composition:
| %C | %Si | %Mn | %P | %S | %Cr | %Mo | %Ni | % B |
| 0,17-0,22 | 0,40 | 1,10-1,40 | 0,035 | 0,02-0,035 | 1,00-1,30 | – | – | – |
Hot working:
Forging temperature range: 1150-850℃
Note: Heat to 1200 ℃. Do not forge below 850.
Heat treatment:
| Soft annealing | Heat treatment to obtain a certain structure | Heat treatment to obtain a certain tensile strength | Carburize | Core hardening | intermediate annealing | Surface hardening | Temper |
| 650-700 | 850-950 | 900-1000 | 900-950 | 850-880 | 810-840 | 170-210 |
Main application:
Gear and link components, bevels, plate- and cog wheels
Shape of product:
Round, flat, step shape, ring, disc, shaft, other shape depend on customer needs
