Through hardening steels
819B
Spécifications
EU
36NiCrMo16
AIR
35NCD16
ISO Symbol
36NiCrMo16
ISO Num
1.6773
WL
1.6773
Composition
C
0.35
Ni
3.8
Cr
1.7
Mo
0.3
Applications
• Mechanical components or tools of heavy section or complex shape, exposed to high stresses.
Characteristics
• High level of hardenability.
• Good dimensional stability.
• Ideal where a high polish is required.
Mechanical properties
| Heat treatment |
UTS (N/mm²) |
0,2% YS (N/mm²) |
A (%) |
KCU (J/cm²) |
|---|---|---|---|---|
| T + F + Rv 200°C | 1850 | 1400 | 8 | 40 |
| T + Rv 650°C | 1000 | 850 | 19 | 130 |
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 |