Equivalence Charts

Aluminum

ALLOY	USA	ASIA	GERMANY	UK	CASTING PROCESS	CHARACTERISTICS
Al-Si	A356	AC4C		LM25	Gravity cast sand and perm mold	Good casting and machining characteristics, typically used in heat treated condition
Al-Si-12Fe	A413	ADC1	ALSi12	LM20	Die Cast	Excellent pressure tightness
Al-Si-Mg	A360	ADC3	ALSi10Mg	LM20	Die Cast	Higher corrosion resistance but more difficult to cast
Al-Si-Cu	A380	ADC10	ALSi8Cu3FE	LM24	Die Cast	Most commom alloy for die casting
Al-Si-Cu	A383	ADC12		LM2	Die Cast	Excellent die filling characteristics, strength at elevated temperatures
	B390	ADC14		LM30	Die Cast	High hardness, good wear resistance

Magnesium

ALLOY	USA	ASIA	GERMANY	UK	CASTING PROCESS	CHARACTERISTICS
AZ91D			1729 3.5912	2970 Mag 3	Die Cast	33% lighter than aluminum. Excellent strength to weight ratio and corrosion resistance

Stainless Steel

ALLOY	USA	ASIA	GERMANY	UK	CASTING PROCESS	CHARACTERISTICS
CF-8	304	SUS 304	X 5 CrNI 18 10	304S16	Sand cast, Investment cast, forging	High strength, excellent corrosion resistance
CF-8M	316	SUS316	X 5 CrNiMo 18 10	316S31	Sand cast, Investment cast, forging	Contains molybdenum which increases corrosion resistance
CA-15	410	SUS410	X10Cr13	410S21	Sand cast, Investment cast, forging
IC 440C	440C	SUS440C	X105CrMo17		Sand cast, Investment cast, forging	High hardness and toughness grade, sometimes used in cutting tools
630	17-4PH		X5CrNiCuNb17-4-4		Sand cast, Investment cast, forging	High strength and hardness, Good corrosion resistance. Used in aerospace and chemical processing

Gray Iron

ALLOY	USA	ASIA	GERMANY	UK	CASTING PROCESS	CHARACTERISTICS
20,000 PSI (Tensile)	A48, Class 20 B	HT 150 FC 100	GG10	Grade 100	Sand casting, Shell Molded	Gray iron is available in several strength grades. Excellent noise and vibration damping. Good machinability.
25,000 PSI	A48, Class 25 B	HT 150 FC150	GG15	Grade 150
30,000 PSI	A48, Class 30 B	HT 200 FC200	GG20	Grade 200
35,000 PSI	A48, Class 35 B	HT 250 FC 250	GG25	Grade 250
40,000 PSI	A48, Class 40B	HT 300 FC300	GG30	Grade 300

Ductile Iron

ALLOY	USA	ASIA	GERMANY	UK	CASTING PROCESS	CHARACTERISTICS
60,000 PSI	A536, 60-40-18	QT 400-18 FCD400	GGG40	400/17	Sand Casting, Shell Molding	Also referred to as nodular iron. Comparable to some carbon steels in strength. Higher tensile and fatigue strength than gray iron. Excellent shock and impact loading.
65,000 PSI	A536, 65-45-12	QT 450-10 FCD450	GGG45	420/12
70,000 PSI	A536, 70-50-05	QT 500-7 FCD500	GGG50	500/7
80,000 PSI	A536, 80-55-06	QT 600-3 FCD600	GGG60	600/7
100,000 PSI	A536, 100-70-03	QT 700-2 FCD700	GGG70	700/2
120,000 PSI	A536, 120-90-02	QT800-2 FCD 800	GGG80	800/2

Bar Stock

ALLOY	USA	ASIA	GERMANY	UK	CASTING PROCESS	CHARACTERISTICS
1010	1010	10	Ck10	040A10	Lower strength steels, higher ductility, lower cost	Carbon steel
1020	1020	20 S20C	C22	050A20	Lower strength steels, higher ductility, lower cost	Carbon steel
1045	1045	45 S45C	C45	080M46	Better mechanical properties than low carbon steels	Carbon steel
4140	4140	42CrMo SCM440	42CrMo4	708A42	Good combination of strength, toughness and wear resistance	Alloy Steel
15CrMo	A-387Cr B	15CRMo STC42	16CrMo44	1653	Heavy duty structural and mechanical components	Alloy Steel
20CrMo	4118, 4119	20CrMo SCT42	20CrMo44	CDS12	Heavy duty structural and mechanical components	Alloy Steel
20Cr	5120	20Cr SCr420H	20Cr4	527A19	Case hardening steels used for high stress parts such as gears and shafts	Alloy Steel
40Cr	5140	40Cr SCr440	41Cr4	520M40		Alloy Steel