Apvalus strypai
nuo Ø30mm iki Ø230mm
Lakštinis plienas
storis nuo 4mm iki 25mm
Description:
Toughening steel
Application:
shafts, axles, spindles, levers, vehicle axle shafts
Chemical composition [%]
| C | Mn | Si | P | S | Cr | Ni | Mo | W | V | Co | Cu |
| 0,32-0,40 | 0,8-1,1 | 1,1-1,4 | max 0,035 | max 0,035 | 1,1-1,4 | max 0,3 | max 0,1 | max 0,2 | max 0,05 | – | – |
Equivalents
| PN | W. nr | EN | AISI | Russia (GOST) | Other |
| 35HGS | – | – | – | 35ChGS | – |
Processes
| welding | YES | |
| forging | YES | |
| rolling | YES | |
| nitriding | YES | |
| hardening | YES | temp. 860 – 880 [°C] |
| tempering | YES | temp. 500 – 650 [°C] |
Hardness
| after toughening | 60 HRC |
| w after softening | 240 HB |
| Rm | 1620 MPa |
| Re | 1280 MPa |