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Nuances

Stainless steels

• Martensitic stainless steels
• Austenitic stainless steels
• Ferritic stainless steels
• Stainless steels with structural hardening
  

  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 (%)
  												MARVALX12	X1CrNiMoAlTi12‑9	UNS: S11800		< 0.02	9.00	12.00	2.00	H + V 555°C H + V 520°C	1240 1430	1195 1385	12.5 10.5
  MARVALX12H	X1CrNiMoAlTi12‑10‑2	UNS: S10120		< 0.02	10.00	12.00	2.00	H + V 540°C H + V 510°C	1440 1570	1370 1490	10.5 10
  MARVAL13X	X3CrNiMoAl13‑8‑2	UNS: S13800	PH13‑8Mo	≤ 0.05	8.30	12.50	2.10	H + V 560°C H + V 540°C	1240 1450	1205 1410	12.5 10.5
  MLX17	X1CrNiMoAlTi12‑11‑2	UNS: S11000		≤ 0.02	11.00	12.00	2.00	H + V 535°C H + V 510°C	1590 1725	1500 1610	12 11
  X15U5W	X5CrNiCu15‑5	UNS: S15500	15‑5PH XM12	< 0.07	5.00	15.00		H + V 550°C H + V 620°C	1120 950	1060 750	15 16
  X17U4	X5CrNiCuNb16 ‑4	UNS: S17400	17‑4PH 630	< 0.07	4.00	16.50		H + V 550°C H + V 620°C	1070 950	1000 750	10 16
  X45U	X4CrNiCuMo15‑06‑01	UNS: S45000	CUSTOM450	0.04	6.50	15.00	0.75	H + V 480°C H + V 580°C	1300 1100	1180 1020	16 20
  MLX19	X1CrNiMoAlTi11‑12‑2	UNS: S11902		≤ 0.02	12	11	2	H + V 510°C H + V 500°C	1900 1950	1750 1800	10 9

  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
  MARVALX12	X1CrNiMoAlTi12‑9	UNS: S11800			FE‑PM1505 X1CrNiMoAlTi12 ‑9‑2	X1CrNiMoAlTi12‑9‑2 X1CrNiMoAlTi12‑9	1.4530			5928
  MARVALX12H	X1CrNiMoAlTi12‑10‑2	UNS: S10120				X1CrNiMoAlTi12‑10‑2	1.4596			5935
  MARVAL13X	X3CrNiMoAl13‑8‑2	UNS: S13800	PH13‑8Mo		FE‑PM1503 X3CrNiMoAl13‑8‑2	X3CrNiMoAl13‑8‑2	1.4534	1.4534		5629 5864	XM13	A564 A705
  MLX17	X1CrNiMoAlTi12‑11‑2	UNS: S11000						1.4612		5937
  X15U5W	X5CrNiCu15‑5	UNS: S15500	15‑5PH XM12		FE‑PM1802 X5CrNiCu15‑5			1.4545		5659 5862	XM12	A564
  X17U4	X5CrNiCuNb16 ‑4	UNS: S17400	17‑4PH 630		FE‑PM3801 X5CrNiCu17 ‑4	X5CrNiCuNb16 ‑4	1.4542	1.4548		5604 5643 5622	630	A564
  X45U	X4CrNiCuMo15‑06‑01	UNS: S45000	CUSTOM450							5773 5859	XM25	A564 A705
  MLX19	X1CrNiMoAlTi11‑12‑2	UNS: S11902								5938

  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
  MARVALX12	X1CrNiMoAlTi12‑9	UNS: S11800		H + V 555°C H + V 520°C	1240 1430	1195 1385	12.5 10.5		120 45
  MARVALX12H	X1CrNiMoAlTi12‑10‑2	UNS: S10120		H + V 540°C H + V 510°C	1440 1570	1370 1490	10.5 10		60 35
  MARVAL13X	X3CrNiMoAl13‑8‑2	UNS: S13800	PH13‑8Mo	H + V 560°C H + V 540°C	1240 1450	1205 1410	12.5 10.5		80 40
  MLX17	X1CrNiMoAlTi12‑11‑2	UNS: S11000		H + V 535°C H + V 510°C	1590 1725	1500 1610	12 11		45 25
  X15U5W	X5CrNiCu15‑5	UNS: S15500	15‑5PH XM12	H + V 550°C H + V 620°C	1120 950	1060 750	15 16		130 160
  X17U4	X5CrNiCuNb16 ‑4	UNS: S17400	17‑4PH 630	H + V 550°C H + V 620°C	1070 950	1000 750	10 16		120 140
  X45U	X4CrNiCuMo15‑06‑01	UNS: S45000	CUSTOM450	H + V 480°C H + V 580°C	1300 1100	1180 1020	16 20	60 190
  MLX19	X1CrNiMoAlTi11‑12‑2	UNS: S11902		H + V 510°C H + V 500°C	1900 1950	1750 1800	10 9

  A&D Grade	Specifications			Chemical composition
  	European standard	USA	Common designation	C	Ni	Cr	Mo	Ti	Al	Cu	Nb
  MARVALX12	X1CrNiMoAlTi12‑9	UNS: S11800		< 0.02	9.00	12.00	2.00	0.30	0.70
  MARVALX12H	X1CrNiMoAlTi12‑10‑2	UNS: S10120		< 0.02	10.00	12.00	2.00	0.30	0.90
  MARVAL13X	X3CrNiMoAl13‑8‑2	UNS: S13800	PH13‑8Mo	≤ 0.05	8.30	12.50	2.10		1.00
  MLX17	X1CrNiMoAlTi12‑11‑2	UNS: S11000		≤ 0.02	11.00	12.00	2.00	0.30	1.50
  X15U5W	X5CrNiCu15‑5	UNS: S15500	15‑5PH XM12	< 0.07	5.00	15.00				3.00	0.30
  X17U4	X5CrNiCuNb16 ‑4	UNS: S17400	17‑4PH 630	< 0.07	4.00	16.50				4.00	0.35
  X45U	X4CrNiCuMo15‑06‑01	UNS: S45000	CUSTOM450	0.04	6.50	15.00	0.75			1.50	0.35
  MLX19	X1CrNiMoAlTi11‑12‑2	UNS: S11902		≤ 0.02	12	11	2	1.15	1.45

  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 for high temperatures