APX4 Martensitic stainless steels
Spécifications
- EU X4CrNiMo16-5-1
Typical composition
- C 0,06
- Ni 4
- Cr 16
- Mo 1
Applications
• Nuclear energy.
• Aerospace industry, marine applications.
• Chemical industry.
• Welded assembly-critical parts.
• Plastics processing industries.
Mechanical properties
• Martensitic stainless steel, equivalent to 18 % chromium steels in terms of corrosion.
• Resistant to sea water, saline atmosphere and salt spray.
• Very good resistance to organic acids and some mineral acids.
• Good weldability.
Mechanical features
- Heat treatmentT + Rv 400°CT + Rv 580°C
- UTS (N/mm²)12001000
- A (%)1618
- KCU (J/cm²)100120
- Solution treated : H
Annealed : R - Thermo-mechanical treatment : TM
Quenched and tempered : T+RV - Sub-zero treatment : F
Solution treated and aged : T+RV
APX4_FR-1
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See also
X13VD
Martensitic stainless steels
- Aero engine
- Blades
- Casings
- Disks
- Land turbine
Spécifications
- Common name : JETHETE M152
- EU : X12CrNiMoV12-3
- USA : UNS:S64152
Heat treatment
- T + F + Rv 250°C
- T + Rv 650°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
X17U4
Stainless steels with structural hardening
- Aero engine
- Casings
- Fasteners
- Missiles
- tubes
Spécifications
- Common name : 17-4PH <br/>630
- EU : X5CrNiCuNb16 -4
- USA : UNS:S17400
Heat treatment
- H + V 550°C
- H + V 620°C
Read more
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