Aluminium Alloy Chart

Aluminum Alloy Chart

Global Aluminum Alloys Conversion Chart

International

British Standard

AA -ASTM

German & European

Japanese Standard

Chinese

International

ALUMINIUM ALLOYS AND APPROXIMATE INTERNATIONAL EQUIVALENTS
UK	ISO	EN – AC	FRANCE	GERMANY	ITALY UNI	USA AA/ASTM	USA SAE	JAPAN	END USE
LM0	AL 99.5		A5		3950	150			Electrical, food, chemical plant
LM2	AL-Si10Cu2Fe	46100	A-S9U3-Y4		5076	384	383	ADC12	Pressure Diecasting
LM4	Al-Si5Cu3	A-S5U3	G-AlSi6Cu4 (225)	5076	3052	319	326	AC2A	Sand gravity diecast manifolds, gear boxes, etc.
LM5	AL-Mg5Si1 AlMg6	51300	AG6	G-AlMg5 (224)	3058	514	320	AC7A	Sand, gravity; corrosion resistant, for marine use, Food plant, Chemical plant
LM5	AL-Mg5Si1 AlMg6	51300	AG6	G-AlMg5 (224)	3058	514	320	AC7A	Sand, gravity; corrosion resistant, for marine use, Food plant, Chemical plant
LM6	AL-Si12 Al-Si12Fe	44100	AG13	G-AlSi12 (230)	4514	A413		AC3A	Sand, gravity; thin sections, manifolds, etc
LM9	Al-Si10Mg	43100	A-S10G	G-AlSi10Mg (233)	3049	A360	309	AC4A	Low pressure, etc; motor housings, cover plates, etc. High strength when treated.
LM12	Al-Cu10Si2Mg		A-U10G		3041	222	34		Gravity, sand cast; machines well, hydraulic equipments.
LM13	Al-Si12Cu Al-Si12CuFe	48000	A-S12UN		3050	336	321	AC8A	Sand, Chili; used for pistons.
LM16	Al-Si5Cu1Mg	45300	A-S4UG		3600	355	322	AC4D	Sand, chill; cylinder heads valve bodies, good pressure tightness.
LM20	Al-Si12Cu Al-Si12CuFe	47000	A-S12-Y4	G-AlSi12(Cu) (231)	5079	A413	305		Pressure diecasting; corrosion resistant, marine castings, water pumps, meter cases.
LM21	Al-Si6Cu4	45000	A-S5U2	GAlSi6Cu4 (225)	7369/4	308	326	AC2A	Sand, gravity; similar to LM4, crankcases, gear boxes, etc.
LM22	Al-Si5Cu3	45400	A-S5U	GAlSi6Cu4 (225)	3052	319	326	AC2A	Chill casting; solution treated, good shock resistance, automotive heavy duty parts.
LM24	Al-Si8Cu3Fe	46500	A-S9U3A-Y4	GAlSi8Cu3 (226)	5075 3601	A380	306	AC4B ADC10	Pressure diecasting; engineering diecastings.
LM25	Al-Si7Mg	42000	G-AlSi7Mg	GAlSi6Cu4 (225)	3599	A356	323	AC4A	Sand chill; general purpose high strength alloy with good castability; wheels, cylinder blocks, heads.
LM26	Al-Si9Cu3Mg		A-S7U3G		3050	332	332		Chill; used for pistons.
LM27	Al-Si7Cu2Mn0.5	46600			7369			AC2B	Sand, chill; versatile alloy, good castability; general engineering parts.
LM28	Al-Si19CuMgNi				6251				Chill; high performance pistons.
LM29	Al-Si23CuMgNi				6251				Chill; high performance pistons.
LM30	Al-Si17Cu4Mg					390			Pressure diecast; unlined cylinder blocks..
LM31	Al-Zn5Mg	71000	A-Z5G	3602	712	310	323		Sand; large castings, good shock resistance, good strength at elevated temp.

British Standard

ALUMINUM ALLOY AS PER BS 1490 (BRITISH STANDARD)
Alloy	Chemical Composition												Intenational Equivalents
Alloy	Si	Fe	Cu	Mn	Mg	Zn	Ni	Ti	Pb	Sn	Cr	Al	India	ISO	EN-AC	FRANCE	GERMANY	ITALY UNI	USA AA/ASTM	USA sAM	JAPAN
LM0	0.30 max.	0.40 max.	0.03	0.03 max.	0.30 max.	0.07 max.	0.03 max.	0.2 max.	0.03 max.	0.03 max.	0.1 max.	Remainder	1950	AL 99.5		A5		3950	150
LM2	9.0 – 11.5	1.0 max.	0.7 – 2.5.	0.5 max.	0.30 max.	2.0 max.	0.5 max.	0.2 max.	0.3 max.	0.2 max.	0.1 max.	Remainder	4520	AL-Si10Cu2Fe	46100	A-S9U3-Y4		5076	384	383	ADC12
LM4	4.0 – 6.0	0.8 max.	2.0 – 4.0	0.2 – 0.6	0.20 max.	0.5 max.	0.3 max.	0.2 max.	0.1 max.	0.1 max.	0.1 max.	Remainder	4223	Al-Si5Cu3	45200	A-S5U3	G-AlSi6Cu4 (225)	3052	319	326	AC2A
LM5	0.3 max.	0.6 max.	0.1 max.	0.3 – 0.7	3.0 – 6.0	0.1 max.	0.1 max.	0.2 max.	0.05 max.	0.05 max.	0.1 max.	Remainder	5230	AL-Mg5Si1 AlMg6	51300	AG6	G-AlMg5 (224)	3058	214	320	AC7A
LM6	10.0 – 13.0	0.6 max.	0.1 max.	0.5 max.	0.1 max.	0.1 max.	0.1 max.	0.2 max.	0.1 max.	0.05 max.	0.1 max.	Remainder	4600	AL-Si12 (230)	44100	AS13	G-AlSi12 (230)	4514	A413		AC3A
LM9	10.0 – 13.0	0.6 max.	0.2 max.	0.3 – 0.7	0.2 – 0.6	0.1 max.	0.1 max.	0.2 max.	0.1 max.	0.05 max.	0.1 max.	Remainder	4635	Al-Si10Mg	43100	A-S10G	G-AlSi10Mg (233)	3049	A360	309	AC4A
LM12	2.5	1.0 max.	9.0 – 11.0	0.6 max.	0.2 – 0.4	0.8 max.	0.5 max.	0.2 max.	0.1 max.	0.1 max.	0.1 max.	Remainder	2550	Al-Cu10Si2Mg		A-U10G		3041	222	34
LM13	10.0 – 13.0	1.0 max.	0.7 – 1.5	0.5 max.	0.8 – 1.5	0.5 max.	0.7 – 1.5	0.2 max.	0.1 max.	0.1 max.	0.1 max.	Remainder	4652	Al-Si12Cu Al-Si12CuFe	48000	A-S12UN		3050	336	321	AC8A
LM16	4.5 – 5.5	0.6 max.	1 – 1.5	0.5 max.	0.4 – 0.6	0.1 max.	0.25 max.	0.2 max.	0.1 max.	0.05 max.	0.1 max.	Remainder	4225	Al-Si5Cu1Mg	45300	A-S4UG		3600	355	322	AC4D
LM20	10.0 – 13.0	1.0 max.	0.4 max.	0.5 max.	0.2 max.	0.2 max.	0.1 max.	0.2 max.	0.1 max.	0.1 max.	0.1 max.	Remainder	4600A	Al-Si12Cu Al-Si12CuFe	47000	A-S12-Y4	G-AlSi12(Cu) (231)	5079	A413	305
LM21	5.0 – 7.0	1.0 max.	3.0 – 5.0	0.2 – 0.6	0.1 – 0.3	2.0 max.	0.3 max.	0.2 max.	0.2 max.	0.1 max.	0.1 max.	Remainder	4323	Al-Si6Cu4	45000	A-SS5U2	GAlSi6Cu4 (225)	7369/4	308	326	AC2A
LM22	4.0 – 6.0	0.60 max.	2.8 – 3.8	0.2 – 0.6	0.05 max.	0.15 max.	0.15 max.	0.2 max.	0.1 max.	0.05 max.	0.1 max.	Remainder	4223A	Al-Si5Cu3	45400	A-S5U	G-AlSi6Cu4 (225)	3052	319	326	AC2A
LM24	7.5 – 9.5	1.3 max.	3.0 – 4.0	0.5 max.	0.3 max.	3.0 max.	0.5 max.	0.2 max.	0.3 max.	0.2 max.	0.1 max.	Remainder	4420	Al-Si8Cu3Fe	46500	A-S9U3A-Y4	GAlSi8Cu3 (226)	5075 3601	A380	306	AC4B ADC10
LM25	6.5 – 7.5	0.5 max.	0.2 max.	0.3 max.	0.20 – 0.60	0.1 max.	0.1 max.	0.2 max.	0.1 max.	0.05 max.	0.1 max.	Remainder	4450	Al-Si7Mg	42000	A-S7G	G-AlSi7Mg	3599	A356	323	AC4C
LM26	8.5 – 10.5	1.2 max.	2.0 – 4.0	0.5 max.	0.5 – 1.5	1.0 max.	1.0 max.	0.2 max.	0.2 max.	0.1 max.	0.1 max.	Remainder	4525	Al-Si9Cu3Mg		A-S7U3G		3050	332	332
LM27	6.0 – 8.0	0.8 max.	1.5 – 2.5	0.2 – 0.6	0.35 max.	1.0 max.	0.3 max.	0.2 max.	0.2 max.	0.1 max.	0.1 max.	Remainder	4423	Al-Si7Cu2Mn0.5	46600			7369			AC2B
LM28	17.0 – 20.0	0.7 max.	1.3 – 1.8	0.6 max.	0.8 – 1.5	0.2 max.	0.8 – 1.5	0.2 max.	0.1 max.	0.1 max.	0.6 max.	Remainder		Al-Si19CuMgNi				6251
LM29	22.0 – 25.0	0.7 max.	0.8 – 1.3	0.6 max.	0.8 – 1.3	0.2 max.	0.8 – 1.3	0.2 max.	0.1 max.	0.1 max.	0.6 max.	Remainder		Al-Si23CuMgNi				6251
LM30	16.0 – 18.0	1.1 max.	4.0 – 5.0	0.3 max.	0.4 – 0.7	0.2 max.	0.1 max.	0.2 max.	0.1 max.	0.1 max.	0.1 max.	Remainder		Al-Si17Cu4Mg				390
LM31	0.25	0.5 max.	0.1 max.	0.1 max.	0.5 – 0.75	4.8 – 5.7	0.1 max.	0.25 max	0.05 max	0.05 max	0.4 max.	Remainder		Al-Zn5Mg	71000	A-Z5G		3602	712	310

AA -ASTM

ALUMINIUM ALLOY AS PER AA / ASTM STANDARD ( USA )
Alloy		Chemical Composition												Equivalent International Grades
Alloy		Si	Fe	Cu	Mn	Mg	Zn	Ni	Ti	Pb	Sn	Cr	Al	Equivalent International Grades
359.0	9Si – 0.6Mg	8.5 – 9.5	0.2 max	0.2 max	0.1 max.	0.5 – 0.7	0.1 max.		0.2 max.				Remainder	(AC-44400)
A360.0	9.5Si – 0.5Mg	9.0 – 10.0	1.3 max	0.6 max.	0.35 max.	0.4 – 0.6	0.5 max.	0.5 max.			0.15 max.		Remainder	AC-43400,ADC3
380.0	8.5Si – 3.5Cu	7.5 – 9.5	2.0 max	3.0 – 4.0	0.5 max.	0.1 max.	3.0 max.	0.5 max.			0.35 max.		Remainder	LM-24, AC-46200, ADC10
A380.0	8.5Si – 3.5Cu	7.5 – 9.5	1.3 max	3.0 – 4.0	0.5 max.	0.1 max.	3.0 max.	0.5 max.			0.35 max.		Remainder	AC-46500, ADC10
383.0	10.5Si – 2.5Cu	9.5 – 11.5	1.3 max	2.0 – 3.0	0.5 max.	0.1 max.	3.0 max.	0.3 max.			0.15 max.		Remainder	ADC12
A384.0	11.2Si – 3.8Cu	10.5 – 12.0	1.3 max	3.0 – 4.5	0.5 max.	0.1 max.	0.1 max.	0.5 max.			0.35 max.		Remainder	(AC-46000), (AC-46100), ADC12
B390.0		16.0 – 18.0	1.3 max	4.0 – 5.0	0.5 max.	0.45 – 0.65	1.5 max.	0.1 max.	0.1 max.				Remainder	ADC14
413.0	12Si	11.0 -13.0	2.0 max	1.0 max	0.35 max.	0.1 max	0.5 max.	0.5 max.			0.15 max		Remainder	AC-44300, ADC1
A413.0	12Si	11.0 -13.0	1.3 max	1.0 max	0.35 max.	0.1 max	0.5 max.	0.5 max.			0.15 max		Remainder	(AC-47100), ADC1
520.0	10Mg	0.25 max	0.3 max	0.25 max	0.15 max.	9.5 – 10.6	0.15 max.		0.25 max.				Remainder	AC-51200
712.0	5.8Zn-0.6Mg-0.5Cr-0.2Ti	0.3 max	0.5 max	0.25 max	0.1 max.	0.5 – 0.65	5.0 – 6.5		0.15 – 0.25			0.4 – 0.6	Remainder	AC-71000

German & European

ALUMINIUM ALLOY GERMAN / EUROPEAN STANDARD
Alloy		Chemical Composition												Equivalent International Grades
Alloy		Si	Fe	Cu	Mn	Mg	Zn	Ni	Ti	Pb	Sn	Cr	Al	Equivalent International Grades
AC-43400	AC-AlSi10Mg(Fe)	9.0 – 10.0	1.0 max	0.1 max	0.55 max	0.2 – 0.5.	0.15 max	0.15 max.	0.2 max	0.15 max.			Remainder	ADC3, A360.0, YL104
AC-44300	AC-AlSi12(Fe)	10.5 – 13.5	1.0 max	0.1 max.	0.55 max.		0.15 max.		0.15 max.		0.05 max.		Remainder	ADC1, 413.0, YL102
380.0	8.5Si – 3.5Cu	7.5 – 9.5	2.0 max	3.0 – 4.0	0.5 max.	0.1 max.	3.0 max.	0.5 max.			0.35 max.		Remainder	LM-24, AC-46200, ADC10
AC-44400	AC-AlSi9	8.0 – 11.0	0.65 max	0.1 max	0.5 max.	0.1 max.	0.15 max.	0.05 max.	0.15 max	0.05 max	0.05 max		Remainder	359.0
AC-46000	AC-AlSi9Cu3(Fe)	8.0 – 11.0	1.3 max	2.0 – 4.0	0.55 max.	0.05 – 0.55	1.2 max.	0.55 max.	0.25 max	0.35 max	0.25 max.	0.15 max.	Remainder	LM-24, ADC12,383.0
AC-46100	AC-AlSi11Cu2(Fe)	10.0 – 12.0	1.1 max	1.5 – 2.5	0.55 max.	0.3 max.	1.7 max.	0.45 max.	0.25 max.	0.25 max.	0.25 max.	0.15 max.	Remainder	(AC-46000), (AC-46100), ADC12
AC-46200	AC-AlSi8Cu3	7.5 – 9.5	0.8 max	2.0 – 3.5	0.15 – 0.65	0.05 – 0.55	1.2 max.	0.35 max.	0.25 max.	0.25 max.	0.15 max		Remainder	380.0
AC-46500	AC-AlSi9Cu3(Fe)(Zn)	8.0 – 11.0	1.3 max	2.0 – 4.0	0.55 max.	0.05 – 0.55	3.0 max.	0.55 max.	0.25 max	0035 max	0.25 max	00.15 max	Remainder	ADC10,A380.0
AC-47100	AC-AlSi12Cu1(Fe)	10.5 – 13.5	1.3 max	0.7 – 1.2	0.55 max.	0.35 max	0.55 max.	0.3 max.	0.2 max	0.2 max	0.1 max	0.1 max	Remainder	AA 384
AC-51200	AC-AlMg9	2.5 max	1.0 max	0.1 max	0.55 max	8.0 – 10.5	0.25 max.	0.1 max.	0.2 max.	0.1 max.	0.1 max.		Remainder	520.0
AC-71000	AC-AlZn5Mg	0.3 max	0.8 max	0.15 – 0.35	0.4 max.	0.4 – 0.7	4.5 – 6.0	0.05 max	0.1 – 0.25	0.05 max	0.05 max	0.15 – 0.6	Remainder	712.0

Japanese Standard

ALUMINUM ALLOY AS PER JAPANESE INDUSTRIAL STANDARD
Alloy	Chemical Composition												Equivalent International Grades
Alloy	Si	Fe	Cu	Mn	Mg	Zn	Ni	Ti	Pb	Sn	Cr	Al	Equivalent International Grades
ADC1	11.0 – 13.0	0.9 max	1.0 max	0.3 max	0.3 max	0.5 max	0.5 max			0.1 max		Remainder	AC-44300, 413.0, Y102
ADC3	9.0 – 10.0	0.9 max	0.6 max	0.3 max.	0.4 – 0.6	0.5 max.	0.5 max.			0.1 max.		Remainder	AC-43400, A360.0, Y104
ADC5	0.3 max	1.1 max	0.2 max	0.3 max	4.1 – 8.5	0.1 max.	0.1 max.			0.1 max.		Remainder
ADC6	1.0 max	0.6 max	0.1 max	0.4 – 0.6	2.6 – 4.0	0.4 max.	0.1 max.			0.1 max		Remainder
ADC10	7.5 – 9.5	0.9 max	2.0 – 4.0	0.5 max.	0.3 max	1.0 max.	0.5 max.			0.3 max		Remainder	AC-46500, 380.0
ADC10Z	7.5 – 9.5	0.9 max	2.0 – 4.0	0.5 max	0.3 max.	3.0 max.	0.5 max.			0.3 max.		Remainder	A380.0
ADC12	9.6 – 12.0	0.9 max	1.5 – 3.5	0.5 max	0.3 max	1.0 max	0.5 max.		0.3 max.			Remainder	LM-2, AC-46000, AC-46100, A384.0
ADC12Z	9.6 – 12.0	0.9 max	1.5 – 3.5	0.5 max	0.3 max.	3.0 max.	0.5 max.			0.3 max		Remainder	ADC10,A380.0
ADC14	16.0 – 18.0	0.9 max	4.0 – 5.0	0.5 max.	0.5 – 0.65	1.5 max	0.3 max.			0.3 max		Remainder	B390.0

Chinese

ALUMINUM ALLOY AS PER CHINA INDUSTRIAL STANDARD
Alloy	Chemical Composition												Equivalent International Grades
Alloy	Si	Fe	Cu	Mn	Mg	Zn	Ni	Ti	Pb	Sn	Cr	Al	Equivalent International Grades
YL102	10.0 – 13.0	1.2 max	0.6 max	0.6 max	0.5 max	0.3 max						Remainder	AC-44300,ADC1,413.0
YL104	8.5 – 10.5	1.0 max	0.3 max	0.2 – 0.5	0.17 – 0.3	0.3 max.			0.05 max.	0.01 max.		Remainder	AC-43400, ADC3, A360.0
YL108	11.0 – 13.0	1.0 max	1.0 – 2.0	0.3 – 0.9	0.4 – 1.0	1.0 max.	0.05 max.		0.05 max.	0.01 max.		Remainder
YL112	7.5 – 9.5	1.2 max	3.0 – 4.0	0.5 max	0.3 max	1.2 max	0.5 max.		0.1 max	0.1 max		Remainder	AC-46000, AC-46200, ADC12, 380.0
YL113	9.6 – 12.0	1.2 max	1.5 – 3.5	0.5 max.	0.3 max	1.0 max.	0.5 max.		0.1 max	0.1 max		Remainder	AC-46500, 380.0
YL117	16.0 – 18.0	1.2 max	4.5 – 5.0	0.5 max	0.45 – 0.65	1.2 max	0.1 max.	0.1 max.				Remainder	ADC14
YL302	0.8 – 1.3	1.2 max	0.1 max	0.1 – 0.4	4.5 – 5.5	0.2 max		0.2 max.				Remainder