APX Martensitic stainless steels
Spécifications
- Common name 431
- EU X17CrNi16-2
- USA UNS:
S43100
AISI:431
Typical composition
- C 0,16
- Ni 2
- Cr 17
Applications
• Nuclear energy.
• Aerospace industry, marine applications.
• Chemical, oil and steam industries.
• Plastics processing industry.
• For the manufacture of welded parts, please use our APX4 steel.
Mechanical properties
• Martensitic stainless steel, equivalent to 13 % chromium steel in terms of corrosion.
• Resistant to sea water, saline atmosphere and salt spray.
• Very good resistance to organic acids and some mineral acids.
• Very suitable where a high polish is required.
Mechanical features
- Heat treatmentT + Rv 400°CT + Rv 630°C
- UTS (N/mm²)14001000
- A (%)1315
- KCU (J/cm²)-40
- Solution treated : H
Annealed : R - Thermo-mechanical treatment : TM
Quenched and tempered : T+RV - Sub-zero treatment : F
Solution treated and aged : T+RV
APX_FR
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See also
CX13VDW
Martensitic stainless steels
- Carburizing
- Injection system
Spécifications
- EU : X12CrNiMoV12-3
- USA : UNS:S64152
Heat treatment
- T + F + Rv 250°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
XD15NW
Martensitic stainless steels
- Aero engine
- Bearings
- Corrosion resistant
Spécifications
- EU : X40CrMoVN16-2
- USA : UNS:S42025
Heat treatment
- T + F + Rv 180°C
Read more
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