Through hardening steels
FDMA
FDMAW
Spécifications
EU
30NiCrMo16
AIR
30NCD16
Composition
C
0.3
Ni
3.5
Cr
1.2
Mo
0.45
Applications
• General Mechanical parts.
• Tools.
Characteristics
• Excellent hardenability.
• Good resistance to fatigue and repeated impact.
Mechanical properties
| Heat treatment |
UTS (N/mm²) |
0,2% YS (N/mm²) |
A (%) |
KCU (J/cm²) |
|---|---|---|---|---|
| T + Rv 200°C | 1750 | 1250 | 12 | 70 |
| T + Rv 625°C | 1000 | 900 | 19 | 140 |
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 |