Martensitic stainless steels
XD15NW
Spécifications
EU
X40CrMoVN16-2
USA
UNS: S42025
AMS
5925
ISO Symbol
X40CrMoVN16-2
ISO Num
1.4123
WL
1.4123
Composition
C
0.42
Cr
16
Mo
1.8
V
0.35
N
0.2
Applications
• Bearings, bearing components, ball-screws.
• Spherical bearings.
• Valve seats.
• Guide collars.
Characteristics
• Consumable electrode remelted martensitic stainless steel combining remarkable corrosion resistance with a very high level of hardness (>440C).
• The well-balanced composition provides a structure free from coarse carbides resulting in excellent fatigue resistance.
Mechanical properties
| Heat treatment |
Hardness HRC |
|---|---|
| T + F + Rv 180°C | 59 |
Key to heat treatment symbols
| Solution treated | H | Annealed | R |
|---|---|---|---|
| Thermo-mechanical treatment | TM | Quenched and tempered | T+RV |
| Sub-zero treatment | F | Solution treated and aged | H+V |