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Valve steels Austenitic (click on product for details) |
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(Al-Cr-Ni-W/Mo-N) application in exhaust valves (subjected to corriosion caused by the contact with hot gasses) or in heads of bimetallic valves. These are often austenitic steels stiffened by precipitation hardening |
| N |
Product |
EN |
ASTM |
AISI |
UNS |
DIN |
BS |
UNI |
| 1 |
212MN |
X55CrMnNiN20-8 (1.4875) |
- |
- |
- |
- |
- |
- |
| 2 |
214MN |
X53CrMnNiN21-9 (1.4871) |
- |
- |
- |
- |
- |
X53CrMnNiN219 |
| 3 |
214MNC |
- |
- |
- |
- |
- |
- |
- |
| 4 |
214MNCW |
X50CrMnNiNbN21-9 (1.4882) |
- |
- |
- |
- |
- |
- |
| 5 |
214MNC |
X53CrMnNiNbN21-9 (1.4870) |
- |
- |
- |
- |
- |
- |
| 6 |
AVW |
- |
- |
- |
- |
- |
- |
X45CrNiW189 |
| 7 |
21MN |
- |
- |
- |
- |
- |
- |
X70CrMnNiN216 |
| 8 |
MARINOX20 |
- |
- |
- |
- |
- |
- |
- |
| 9 |
APFR/2 |
- |
- |
- |
- |
- |
- |
- |
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