Stainless steels with structural hardening
MARVAL13X
Spécifications
Common name
PH13-8Mo
EU
X3CrNiMoAl13-8-2
USA
UNS: S13800
AMS
5629
5864
5864
ISO Symbol
X3CrNiMoAl13-8-2
ISO Num
1.4534
WL
1.4534
ASTM grade
XM13
ASTM std
A564 A705
Composition
C
≤ 0.05
Ni
8.3
Cr
12.5
Mo
2.1
Al
1
Applications
• Forgings and mechanical parts in stainless steel requiring very good mechanical properties.
• Structural parts for the aerospace industry.
• Missile components.
• Fasteners.
• High pressure pumps and valves.
• Offshore industry.
Characteristics
• Precipitation hardened stainless steel of very high purity, vacuum primary melted and consumable electrode remelted.
• Good toughness and good corrosion resistance.
• Excellent balance between strength and toughness properties, especially at a strength level of 1200 N/mm2.
• Good weldability.
Mechanical properties
| Heat treatment |
UTS (N/mm²) |
0,2% YS (N/mm²) |
A (%) |
KV (J) |
|---|---|---|---|---|
| H + V 560°C | 1240 | 1205 | 12.5 | 80 |
| H + V 540°C | 1450 | 1410 | 10.5 | 40 |
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 |