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Nuances

General engineering steels

• Steels for carburizing
• Through hardening steels
• Maraging steels
• Steels for nitriding
• Steels for special applications
  

  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 (%)
  												CLARMHBR	30NiCrMoV14			0.30	3.50	1.50	0.40	T + Rv 600°C T + Rv 570°C	1200 1300	1100 1220	15 15
  CLARMHB3	33NiCrMoV15			0.33	3.50	1.40	0.50	T +Rv 615°C T + Rv 560°C	1325 1420	1200 1300	14 11
  CLARMHB7	40NiCrMoV15			0.40	3.70	1.60	0.90	T + Rv 560°C T + Rv 585°C	1480 1350	1350 1260	13 14
  50NILYW	13MoCrNiV42‑16‑14	UNS: K91231	M50NIL	0.13	3.40	4.15	4.25	T + F + Rv 550°C	1400	1200	13
  56A	28CrMoV5‑8			0.28		1.50	0.70	T + Rv 710°C	950	800	17
  56TG	21CrMoV5‑7			0.25		1.50	0.60	T + Rv 690°C	950	800	17
  AD21	35CrNiMoV6			0.35	0.50	1.50	0.30	On metal supplied ready for use	1000 1150	> 850	> 12
  BED	43CrMo4			0.43		1.00	0.20	T + Rv 675°C	1000	800	19
  GD223	X60NiMnCr13‑5‑3		X50CrNiMn12 Z50CNM12	0.60	11.00	3.00	0.40	Annealed condition Work hardened condition	700 1000	300	55 35
  NC310YW	40SiNiCrMoV10	UNS: K54015		0.40	1.75	0.85	0.40	T + F + 2xRv 300°C	2150	1790	9
  NC40SW	40NiSiCrMo7	UNS: K44220	300M	0.40	1.80	0.85	0.40	T + Rv 600°C T + 2xRv 300°C	1450 2050	1300 1700	14 12
  RA50YW	80MoCrV42‑16	UNS: T11350 AISI: M50	M50	0.83		4.15	4.25	T + 3xRv 550°C
  RAD	100Cr6	UNS: G52986 AISI / SAE: E52100		1.00		1.50		T + Rv 130°C T + Rv 300°C
  SCV	15CrMoV6			0.15		1.25	0.90	T + Rv 600°C T + Rv 625°C	1050 1150	850 1100	16 17

  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
  CLARMHBR	30NiCrMoV14
  CLARMHB3	33NiCrMoV15
  CLARMHB7	40NiCrMoV15
  50NILYW	13MoCrNiV42‑16‑14	UNS: K91231	M50NIL		FE‑PL5101	13MoCrNiV42‑16‑14	B61
  56A	28CrMoV5‑8
  56TG	21CrMoV5‑7
  AD21	35CrNiMoV6
  BED	43CrMo4
  GD223	X60NiMnCr13‑5‑3		X50CrNiMn12 Z50CNM12		FE‑PA2801 X60NiMnCr13‑5‑3				S131
  NC310YW	40SiNiCrMoV10	UNS: K54015								6499
  NC40SW	40NiSiCrMo7	UNS: K44220	300M		FE‑PL80				S155	6417 6419 6257	32	A579
  RA50YW	80MoCrV42‑16	UNS: T11350 AISI: M50	M50	E‑80DCV40				1.3551 1.3552		6491
  RAD	100Cr6	UNS: G52986 AISI / SAE: E52100		100C6	FE‑PL31, FE‑PL32 FE‑PL1801 100Cr6			1.3504 1.3514	S135 S136	6444 6447	E52100	A322
  SCV	15CrMoV6			15CDV6	FE‑PL52S, FE‑PL1505 FE‑PL53S 15CrMoV6			1.7734 1.7736

  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
  CLARMHBR	30NiCrMoV14			T + Rv 600°C T + Rv 570°C	1200 1300	1100 1220	15 15			60 40
  CLARMHB3	33NiCrMoV15			T +Rv 615°C T + Rv 560°C	1325 1420	1200 1300	14 11			45 28
  CLARMHB7	40NiCrMoV15			T + Rv 560°C T + Rv 585°C	1480 1350	1350 1260	13 14			32 40
  50NILYW	13MoCrNiV42‑16‑14	UNS: K91231	M50NIL	T + F + Rv 550°C	1400	1200	13
  56A	28CrMoV5‑8			T + Rv 710°C	950	800	17	130
  56TG	21CrMoV5‑7			T + Rv 690°C	950	800	17	150
  AD21	35CrNiMoV6			On metal supplied ready for use	1000 1150	> 850	> 12		> 40
  BED	43CrMo4			T + Rv 675°C	1000	800	19	95
  GD223	X60NiMnCr13‑5‑3		X50CrNiMn12 Z50CNM12	Annealed condition Work hardened condition	700 1000	300	55 35	300
  NC310YW	40SiNiCrMoV10	UNS: K54015		T + F + 2xRv 300°C	2150	1790	9
  NC40SW	40NiSiCrMo7	UNS: K44220	300M	T + Rv 600°C T + 2xRv 300°C	1450 2050	1300 1700	14 12	60 50
  RA50YW	80MoCrV42‑16	UNS: T11350 AISI: M50	M50	T + 3xRv 550°C									60 ‑ 63
  RAD	100Cr6	UNS: G52986 AISI / SAE: E52100		T + Rv 130°C T + Rv 300°C								800 630
  SCV	15CrMoV6			T + Rv 600°C T + Rv 625°C	1050 1150	850 1100	16 17	130

  A&D Grade	Specifications			Chemical composition
  	European standard	USA	Common designation	C	Ni	Cr	Mo	V	Si	Mn
  CLARMHBR	30NiCrMoV14			0.30	3.50	1.50	0.40	0.18		0.20
  CLARMHB3	33NiCrMoV15			0.33	3.50	1.40	0.50	0.20		0.20
  CLARMHB7	40NiCrMoV15			0.40	3.70	1.60	0.90	0.30		0.10
  50NILYW	13MoCrNiV42‑16‑14	UNS: K91231	M50NIL	0.13	3.40	4.15	4.25	0.25
  56A	28CrMoV5‑8			0.28		1.50	0.70	0.30
  56TG	21CrMoV5‑7			0.25		1.50	0.60	0.20
  AD21	35CrNiMoV6			0.35	0.50	1.50	0.30
  BED	43CrMo4			0.43		1.00	0.20
  GD223	X60NiMnCr13‑5‑3		X50CrNiMn12 Z50CNM12	0.60	11.00	3.00	0.40			5.00
  NC310YW	40SiNiCrMoV10	UNS: K54015		0.40	1.75	0.85	0.40	0.20	2.70
  NC40SW	40NiSiCrMo7	UNS: K44220	300M	0.40	1.80	0.85	0.40		1.60
  RA50YW	80MoCrV42‑16	UNS: T11350 AISI: M50	M50	0.83		4.15	4.25	1.00
  RAD	100Cr6	UNS: G52986 AISI / SAE: E52100		1.00		1.50
  SCV	15CrMoV6			0.15		1.25	0.90	0.25

  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