BÖHLER R250
BÖHLER R250 is a a premium aircraft-quality, double vacuum-melted low-alloy steel in the form of bars, forgings and forging stock.
The grade is used typically for parts such as bearings operating under heavy loads and high speeds at moderate temperatures up to 600° F. E.g. bearings and rolling elements, bearing balls and races.
Dostupné výrobné profily
Spôsob výroby
VIM + VAR
Materiálové čísla
- Market grade
- M50
- SEL
- 1.3551
- EN
- 80MoCrV42-16
Ostatné normy
- AMS
- 6491
Chemické zloženie
* Chemické zloženie (priemerné %)
- C
- 0.80 to 0.85
- Si
- max. 0.25
- Mn
- 0.15 to 0.35
- P
- max. 0.015
- S
- max. 0.008
- Cr
- 4.00 to 4.25
- Mo
- 4.00 to 4.50
- Ni
- max. 0.15
- V
- 0.90 to 1.10
- W
- max. 0.25
- Cu
- max. 0.10
- Co
- max. 0.25