Martensitic stainless steels
56T5
Spécifications
EU
X19CrMoNbVN11-1
AIR
Z20CDNb11
ISO Symbol
X19CrMoNbVN11-1
ISO Num
1.4913
Composition
C
0.2
Ni
11
Mo
0.7
V
0.18
Nb
0.4
Applications
• Aerospace industry: clamp rings, cooled turbine discs.
• Marine and land-based machines: gas turbine rotors and blades, various steam turbine components, fasteners for high temperature environments.
• Tooling for alloy die-casting (e.g. nozzles, goosenecks etc).
Characteristics
• High resistance to thermal shock.
• Good creep properties.
• Suitable for nitriding.
Mechanical properties
| Heat treatment |
UTS (N/mm²) |
0,2% YS (N/mm²) |
A (%) |
|---|---|---|---|
| T + Rv 675/700°C | 1000 | 800 | 12 |
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 |