• 
  • Your satisfaction
  • General overview
  • Company history
  • Innovation
  • Production system
  • Quality
  • Sustainable development
  • HR Development
  • Aubert & Duval sites
  • Sales Network
  • Downloads
• 
  • Designing
  • Melting
  • Rolling
  • Open-die forging
  • Closed-die forging
  • Machining
  • Quality controls
  • Heat treatment
  • Custom heat treatment
  • Foundry
  • Powder metallurgy
• 
  • Your challenges
  • Aerospace
  • Energy
  • Transportation
  • Tooling
  • Specialties
• 
  • Products and parts
  • Our materials
• 
  • Partnership
  • Technical support
  • Distribution and Logistics
  • Custom heat treatment
• 
• 
  • Contact form
  • Sales Network

Nuances

Stainless steels

• Martensitic stainless steels
• Austenitic stainless steels
• Ferritic stainless steels
  

  A&D Grade	Specifications			Chemical Composition				Mechanical properties
  	European standard	USA	Common designation	C	Ni	Cr	Mo	Heat treatment	UTS (N/mm²)	0,2% YS (N/mm²)	A (%)
  												NY32760	X2CrNiMoCuWN25‑7‑4	UNS: S32760		< 0.03	6.50	25.00	3.50	H	> 750	> 550	> 30

  A&D Grade	Specifications			Main Standards
  	European standard	USA	Common designation	AIR	AECMA	NF-EN/NF-EN-ISO/NF-A		WL	BS	AMS	ASTM		SUS	JIS
  				Standard	Standard	Symbol	Numerical	Standard	Standard	Standard	Grade	Standard	Standard	Standard
  NY32760	X2CrNiMoCuWN25‑7‑4	UNS: S32760				X2CrNiMoCuWN25‑7‑4	1.4501	1.4501

  A&D Grade	Specifications			Mechanical properties
  	European standard	USA	Common designation	Heat treatment	UTS (N/mm²)	0,2% YS (N/mm²)	A (%)	KCU (J/cm²)	KV (J)	KV -40°C (J)	KV -60°C (J)	Hardness HV	Hardness HRC
  NY32760	X2CrNiMoCuWN25‑7‑4	UNS: S32760		H	> 750	> 550	> 30

  A&D Grade	Specifications			Chemical composition
  	European standard	USA	Common designation	C	Ni	Cr	Mo	N	Cu	W
  NY32760	X2CrNiMoCuWN25‑7‑4	UNS: S32760		< 0.03	6.50	25.00	3.50	0.25	0.60	0.60

  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

  
  
• Stainless steels with structural hardening
• Stainless steels for high temperatures