MARVALX12 Stainless steels with structural hardening
Spécifications
- EU X1CrNiMoAlTi12-9
- USA UNS:S11800
Typical composition
- C < 0.02
- Ni 9
- Cr 12
- Mo 2
- Ti 0,3
- Al 0,7
Applications
• Heavily stressed parts requiring good corrosion resistance and very good mechanical properties.
• Aerospace industry.
• Marine applications.
• Autoclaves and pressure chambers.
Mechanical properties
• Precipitation hardened stainless steel of very high purity, vacuum melted and consumable electrode remelted.
• Excellent mechanical properties in the longitudinal and transverse directions.
• Excellent balance between strength, toughness and fatigue properties, especially at the 1200 N/mm2 strength level (>PH13-8Mo).
• Good resistance to corrosion and stress corrosion.
• Good weldability.
Mechanical features
- Heat treatmentH + V 555°CH + V 520°C
- UTS (N/mm²)12401430
- A (%)12,510,5
- KV -60°C (J)12045
- Solution treated : H
Annealed : R - Thermo-mechanical treatment : TM
Quenched and tempered : T+RV - Sub-zero treatment : F
Solution treated and aged : T+RV
MARVALX12_FR
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See also
MARVAL13X
Stainless steels with structural hardening
- Aero engine
- Aero structures
- Brake system
- Fasteners
- Gear box
- Heligrid
- Landing grid
Spécifications
- Common name : PH13-8Mo ; XM13
- EU : X3CrNiMoAl13-8-2
- USA : UNS:S13800
Heat treatment
- H + V 540°C
- H + V 560°C
Read more
MARVALX12H
Stainless steels with structural hardening
- Aero engine
- Aero structures
- Fasteners
- Heligrid
- Landing grid
Spécifications
- EU : X1CrNiMoAlTi12-10-2
- USA : UNS:S10120
Heat treatment
- H + V 510°C
- H + V 540°C
Read more
X15U5W
Stainless steels with structural hardening
- Aero structures
Spécifications
- Common name : 15-5PH ; XM12
- EU : X5CrNiCu15-5
- USA : UNS:S15500
Heat treatment
- H + V 550°C
- H + V 620°C
Read more
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