Steels for carburizing
FADS
Spécifications
EU
16NiCrMo16-5
AIR
16NCD17
WL
1.6723
BS
S82
Composition
C
0.16
Ni
4.25
Cr
1.2
Mo
0.2
Applications
• Various carburized and non carburized mechanical parts subjected to high stresses.
• Parts for the aerospace industry.
Characteristics
• Good hardenability.
• After carburizing and quenching, sub zero treatment and tempering, the surface hardness is approx. 700 HV.
• Good mechanical properties.
Mechanical properties
| Heat treatment |
UTS (N/mm²) |
0,2% YS (N/mm²) |
A (%) |
KCU (J/cm²) |
|---|---|---|---|---|
| T + F + Rv 150°C | 1450 | 1150 | 12 | 90 |
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 |