Composição Química das Ligas de Alumínio: Segredos Revelados

Chemical Composition of Aluminum Alloys: Secrets Revealed

What are aluminum alloys?

Aluminum-based alloys, supplemented with a certain amount of other alloying elements, are one of the light metal materials.

In addition to the general characteristics of aluminum, these alloys have specific properties due to the type and quantity of alloying elements added. The density of aluminum alloy is 2.63 ~ 2.85 g/cm 3 and has a high strength (σ b is 110 ~ 650 MPa), almost equal to that of high-alloy steel.

Chemical Composition of Aluminum Alloys Secrets Revealed

Its rigidity surpasses steel and has excellent plastic casting and processing performance, good electrical and thermal conductivity, corrosion resistance and weldability.

It can be used as a structural material and is widely used in aerospace, aviation, transportation, construction, mechanical and electrical engineering, weight reduction and daily necessities.

Aluminum alloy chemical composition table

Observation:

  1. When used for welding and cladding rods, the beryllium content should not exceed 0.0008%.
  2. Beryllium content is added as specified and does not require analysis.
  3. Only when agreed between the supplier and the consumer, the Ti+Zr content in extruded and forged products should not exceed 0.20%.
  4. The zinc content of 3A21 alloy used for rivet wire should not exceed 0.03%.
  5. Only when agreed between the supplier and the consumer, the Ti+Zr content in extruded and forged products should not exceed 0.25%.
Note Chemical composition%
Yes Faith Ass Mn mg Cr No Zn Observation You Zr Others Al Observation
single total
1A99 0.003 0.003 0.005 – – – – – – – – 0.002 – 99.99 LG5
1A97 0.015 0.015 0.005 – – – – – – – – 0.005 – 99.97 LG4
1A95 0.030 0.030 0.010 – – – – – – – – 0.005 – 99.95 –
1A93 0.040 0.040 0.010 – – – – – – – – 0.007 – 99.93 LG3
1A90 0.060 0.060 0.010 – – – – – – – – 0.01 – 99.90 LG2
1A85 0.080 0.100 0.010 – – – – – – – – 0.01 – 99.85 LG1
1A80 0.150 0.150 0.030 0.020 0.020 – – 0.030 Ca:0.03, V:0.05 0.030 – 0.02 – 99.80 –
180A 0.150 0.150 0.030 0.020 0.020 – – 0.060 Ca:0.03 0.020 – 0.02 – 99.80 –
1070 0.200 0.250 0.040 0.030 0.030 – – 0.040 V:0.05 0.030 – 0.03 – 99.70 –
1070A 0.200 0.250 0.030 0.030 0.030 – – 0.070 – 0.030 – 0.03 – 99.70 L1
1370 0.100 0.250 0.020 0.010 0.020 0.010 – 0.040 Ca:0.03,V+Ti:0.02,B:0.02 – – 0.02 0.10 99.70 –
1060 0.250 0.350 0.050 0.030 0.030 – – 0.050 V:0.05 0.030 – 0.03 – 99.60 L2
1050 0.250 0.400 0.050 0.050 0.050 – – 0.050 V:0.05 0.030 – 0.03 – 99.50 –
1050A 0.250 0.400 0.050 0.050 0.050 – – 0.070 – 0.050 – 0.03 – 99.50 –
1A50 0.300 0.300 0.010 0.050 0.050 – – 0.030 Fe+Si:0.45 – – 0.03 – 99.50 LB2
1350 0.100 0.400 0.050 0.010 – 0.010 – 0.050 Ca:0.03,V+Ti:0.02,B:0.05 – – 0.03 0.10 99.50 –
1145 Si+Fe:0.55 0.050 0.050 0.050 – – 0.050 V:0.05 0.030 – 0.03 – 99.45 –
1035 0.350 0.600 0.100 0.050 0.050 – – 0.100 V:0.05 0.030 – 0.03 – 99.35 L4
1A30 0.10-0.20 0.15-0.30 0.050 0.010 0.010 – 0.010 0.020 – 0.020 – 0.03 – 99:30 L4-1
1100 Si+Fe:0.95 0.05-0.2 0.050 – – – 0.100 ① – – 0.05 0.15 99.00 L5-1
1200 Si+Fe:1.00 0.050 0.050 – – – 0.100 – 0.050 – 0.05 0.15 99.00 L5
1235 Si+Fe:0.65 0.050 0.050 0.050 – – 0.100 V:0.05 0.060 – 0.03 – 99.35 –
2A01 0.500 0.500 2.2-3.0 0.200 0.20-0.50 – – 0.100 – 0.150 – 0.05 0.10 remained AA1
2A02 0.300 0.300 2.6-3.2 0.45-0.7 2.0-2.4 – – 0.100 – 0.150 – 0.05 0.10 remained AA2
2A04 0.300 0.300 3.2-3.7 0.50-0.8 2.1-2.6 – – 0.100 Be:0.001-0.01② 0.05-0.40 – 0.05 0.10 remained AA4
2A06 0.500 0.500 3.8-4.3 0.50-1.0 1.7-2.3 – – 0.100 Be:0.001-0.005② 0.03-0.15 – 0.05 0.10 remained AA6
2A10 0.250 0.200 3.9-4.5 0.30-0.50 0.15-0.30 – – 0.100 – 0.150 – 0.05 0.10 remained AA10
2A11 0.700 0.700 3.8-4.8 0.40-0.8 0.40-0.8 – 0.010 0.300 Fe+Ni:0.7 0.150 – 0.05 0.10 remained AA11
2B11 0.500 0.500 3.8-4.5 0.40-0.8 0.40-0.8 – – 0.100 – 0.150 – 0.05 0.10 remained AA8
2A12 0.500 0.500 3.8-4.9 0.30-0.9 1.2-1.8 – 0.010 0.300 Fe+Ni:0.50 0.150 – 0.05 0.10 remained AA12
2B12 0.500 0.500 3.8-4.5 0.3-0.7 1.2-1.6 – – 0.100 – 0.150 – 0.05 0.10 remained AA9
2A13 0.700 0.600 4.0-5.0 – 0.30-0.50 – – 0.600 – 0.150 – 0.05 0.10 remained AA13
2A14 0.6-1.2 0.700 3.9-4.8 0.4-1.0 0.40-0.8 – 0.100 0.300 – 0.150 – 0.05 0.10 remained LD10
2A16 0.300 0.300 6.0-7.0 0.4-0.8 0.050 – – 0.100 – 0.10-0.20 0.200 0.05 0.10 remained AA16
2B16 0.250 0.300 5.8-6.8 0.2-0.4 0.050 – – – V:0.05-0.15 0.08-0.20 0.10-0.25 0.05 0.10 remained LY16-1
2A17 0.300 0.300 6.0-7.0 0.4-0.8 0.25-0.45 – – 0.100 – 0.10-0.20 – 0.05 0.10 remained AA17
2A20 0.200 0.300 5.8-6.8 – 0.020 – – 0.100 V:0.05-0.15 B:0.001-0.01 0.07-0.16 0.10-0.25 0.05 0.15 remained AA20
2A21 0.200 0.20-0.6 3.0-4.0 0.050 0.8-1.2 – 1.8-2.3 0.200 – 0.050 – 0.05 0.15 remained –
2A25 0.060 0.060 3.6-4.2 0.50-0.7 1.0-1.5 – 0.060 – – – – 0.05 0.10 remained –
2A49 0.250 0.8-1.2 3.2-3.8 0.30-0.6 1.8-2.2 – 0.8-1.2 – – 0.08-0.12 – 0.05 0.15 remained –
2A50 0.7-1.2 0.700 1.8-2.6 0.40-0.8 0.40-0.8 – 0.100 0.300 Fe+Ni:0.7 0.150 – 0.05 0.10 remained LD5
2B50 0.7-1.2 0.700 1.8-2.6 0.40-0.8 0.40-0.8 0.01-0.20 0.100 0.300 Fe+Ni:0.7 0.02-0.10 – 0.05 0.10 remained LD6
2A70 0.350 0.9-1.5 1.9-2.5 0.200 1.4-1.8 – 0.9-1.5 0.300 – 0.02-0.10 – 0.05 0.10 remained LD7
2B70 0.250 0.9-1.4 1.8-2.7 0.200 1.2-1.8 – 0.8-1.4 0.150 Pb:0.05 Sn:0.05 Ti+Zr:0.20 0.100 – 0.05 0.15 remained –
2A80 0.50-1.2 1.0-1.6 1.9-2.5 0.200 1.4-1.8 – 0.9-1.5 0.300 – 0.150 – 0.05 0.10 remained LD8
2A90 0.50-1.0 0.50-1.0 3.5-4.5 0.200 0.40-0.8 – 1.8-2.3 0.300 – 0.150 – 0.05 0.10 remained LD9
2004 0.200 0.200 5.5-6.5 0.100 0.500 – – 0.100 – 0.050 0.3-0.50 0.05 0.15 remained –
2011 0.400 0.700 5.0-6.0 – – – – 0.300 Bi:0.20-0.60 Pb:0.20-0.6 – – 0.05 0.15 remained –
2014 0.50-1.2 0.700 3.9-5.0 0.40-1.2 0.20-0.8 0.100 – 0.250 ③ 0.150 – 0.05 0.15 remained –
2014A 0.50-0.9 0.500 3.9-5.0 0.40-1.2 0.20-0.8 0.100 0.100 0.250 Ti+Zr:0.20 0.150 – 0.05 0.15 remained –
2214 0.50-1.2 0.300 3.9-5.0 0.40-1.2 0.20-0.8 0.100 – 0.250 ③ 0.150 – 0.05 0.15 remained –
2017 0.20-0.8 0.700 3.5-4.5 0.40-1.0 0.40-0.8 0.100 – 0.250 ③ 0.150 – 0.05 0.15 remained –
2017A 0.20-0.8 0.700 3.5-4.5 0.40-1.0 0.40-1.0 0.100 – 0.250 Ti+Zr:0.25 – – 0.05 0.15 remained –
2117 0.800 0.700 2.2-3.0 0.200 0.20-0.50 0.100 – 0.250 – – – 0.05 0.15 remained –
2218 0.900 1,000 3.5-4.5 0.200 1.2-1.8 0.100 1.7-2.3 0.250 – – – 0.05 0.15 remained –
2618 0.10-0.25 0.9-1.3 1.9-2.7 – 1.3-1.8 – 0.9-1.2 0.100 – 0.04-0.10 – 0.05 0.15 remained –
2219 0.200 0.300 5.8-6.8 0.20-0.40 0.020 – – 0.100 V:0.05-0.15 0.20-0.10 0.10-0.25 0.05 0.15 remained AA19
2024 0.500 0.500 3.8-4.9 0.30-0.9 1.2-1.8 0.100 – 0.250 ③ 0.150 – 0.05 0.15 remained –
2124 0.200 0.300 3.9-4.9 0.30-0.9 1.2-1.8 0.100 – 0.250 ③ 0.150 – 0.05 0.15 remained –
3A21 0.600 0.700 0.200 1.0-1.6 0.050 – – 0.10④ – 0.150 – 0.05 0.10 remained LF21
3003 0.600 0.700 0.05-0.20 1.0-1.5 – – – 0.100 – – – 0.05 0.15 remained –
3103 0.500 0.700 0.100 0.9-1.5 0.300 0.100 – 0.200 Ti+Zr:0.10 – – 0.05 0.15 remained –
3004 0.300 0.700 0.250 1.0-1.5 0.8-1.3 – – 0.250 – – – 0.05 0.15 remained –
3005 0.600 0.700 0.250 1.0-1.5 0.20-0.6 0.100 – 0.250 – 0.100 – 0.05 0.15 remained –
3105 0.600 0.700 0.300 0.30-0.8 0.20-0.8 0.200 – 0.400 – 0.100 – 0.05 0.15 remained –
4A01 4.5-6.0 0.600 0.200 – – – – Zn+Sn:0.10 – 0.150 – 0.05 0.15 remained LT1
4A11 11.5-13.5 1,000 0.50-1.3 0.200 0.8-1.3 0.100 0.50-1.3 0.250 – 0.150 – 0.05 0.15 remained LD11
4A13 6.8-8.2 0.500 Cu+Zn:0.15 0.500 0.050 – – – Ca:0.10 0.150 – 0.05 0.15 remained LT13
4A17 11.0-12.5 0.500 Cu+Zn:0.15 0.500 0.050 – – – Ca:0.10 0.150 – 0.05 0.15 remained LT17
4004 9.0-10.5 0.800 0.250 0.100 1.0-2.0 – – 0.200 – – – 0.05 0.15 remained –
4032 11.0-13.5 1,000 0.50-1.3 – 0.8-1.3 0.100 0.50-1.3 0.250 – – – 0.05 0.15 remained –
4043 4.5-6.0 0.800 0.300 0.050 0.050 – – 0.100 ① 0.200 – 0.05 0.15 remained –
4043A 4.5-6.0 0.600 0.300 0.150 0.200 – – 0.100 ① 0.150 – 0.05 0.15 remained –
4047 11.0-13.0 0.800 0.300 0.150 0.100 – – 0.200 ① – – 0.05 0.15 remained –
4047A 11.0-13.0 0.600 0.300 0.150 0.100 – – 0.200 ① 0.150 – 0.05 0.15 remained –
5A01 Si+Fe:0.40 0.100 0.30-0.7 6.0-7.0 0.10-0.20 – 0.250 – 0.150 0.10-0.20 0.05 0.15 remained LF15
5A02 0.400 0.400 0.100 或Cr0.15-0.40 2.0-2.8 – – – Si+Fe:0.6 0.150 – 0.05 0.15 remained LF21
5A03 0.50-0.8 0.500 0.100 0.30-0.6 3.2-3.8 – – 0.200 – 0.150 – 0.05 0.10 remained LF3
5A05 0.500 0.500 0.100 0.30-0.6 4.8-5.5 – – 0.200 – – – 0.05 0.10 remained LF5
5B05 0.400 0.400 0.200 0.20-0.6 4.7-5.7 – – – Si+Fe:0.6 0.150 – 0.05 0.10 remained LF10
5A06 0.400 0.400 0.100 0.50-0.8 5.8-6.8 – – 0.200 Be:0.0001-0.005② 0.02-0.10 – 0.05 0.10 remained LF6
5B06 0.400 0.400 0.100 0.50-0.8 5.8-6.8 – – 0.200 Be:0.0001-0.005② 0.10-0.30 – 0.05 0.10 remained LF14
5A12 0.300 0.300 0.050 0.40-0.8 8.3-9.6 – 0.100 0.200 Be:0.005,Sb:0.004-0.05 0.05-0.15 – 0.05 0.10 remained LF12
5A13 0.300 0.300 0.050 0.40-0.8 9.2-10.5 – 0.100 0.200 Be:0.005,Sb:0.004-0.05 0.05-0.15 – 0.05 0.10 remained LF13
5A30 Si+Fe:0.40 0.100 0.50-1.0 4.7-5.5 – – 0.250 Cr:0.05-0.20 0.03-0.15 – 0.05 0.10 remained LF16
5A33 0.350 0.350 0.100 0.100 6.0-7.5 – – 0.50-1.5 Be:0.0005-0.005② 0.05-0.15 0.10-0.30 0.05 0.10 remained LF33
5A41 0.400 0.400 0.100 0.30-0.6 6.0-7.0 – – 0.200 – 0.02-0.10 – 0.05 0.10 remained LT41
5A43 0.400 0.400 0.100 0.15-0.40 0.6-1.4 – – – – 0.150 – 0.05 0.15 remained LF43
5A66 0.005 0.010 0.005 – 1.5-2.0 – – – – – – 0.005 0.01 remained LT66
5005 0.300 0.700 0.200 0.200 0.50-1.1 0.100 – 0.250 – – – 0.05 0.15 remained –
5019 0.400 0.500 0.100 0.1-0.6 4.5-5.6 0.200 – 0.200 Mn+Cr:0.10-0.6 0.200 – 0.05 0.15 remained –
5050 0.400 0.700 0.200 0.100 1.1-1.8 0.100 – 0.250 – – – 0.05 0.15 remained –
5251 0.400 0.500 0.150 0.1-0.5 1.7-2.4 0.150 – 0.150 – 0.150 – 0.05 0.15 remained –
5052 0.250 0.400 0.100 0.100 2.2-2.8 0.15-0.35 – 0.100 – – – 0.05 0.15 remained –
5154 0.250 0.400 0.100 0.100 3.1-3.9 0.15-0.35 – 0.200 ① 0.200 – 0.05 0.15 remained –
5154A 0.500 0.500 0.100 0.500 3.1-3.9 0.250 – 0.200 ①Mn+Cr:0.10-0.50 0.200 – 0.05 0.15 remained –
5454 0.250 0.400 0.100 0.50-1.0 2.4-3.0 0.05-0.2 – 0.250 – 0.200 – 0.05 0.15 remained –
5554 0.250 0.400 0.100 0.50-1.0 2.4-3.0 0.05-0.20 – 0.250 ① 0.05-0.20 – 0.05 0.15 remained –
5754 0.400 0.400 0.100 0.500 2.6-3.6 0.300 – 0.200 Mn+Cr:0.10-0.6 0.150 – 0.05 0.15 remained –
5056 0.300 0.400 0.100 0.05-0.20 4.5-5.6 0.05-0.20 – 0.100 – – – 0.05 0.15 remained LF5-1
5356 0.250 0.400 0.100 0.05-0.20 4.5-5.5 0.05-0.20 – 0.100 ① 0.06-0.20 – 0.05 0.15 remained –
5456 0.250 0.400 0.100 0.50-1.0 4.7-5.5 0.05-0.20 – 0.250 – 0.200 – 0.05 0.15 remained –
5082 0.200 0.350 0.150 0.150 4.0-5.0 0.150 – 0.250 – 0.100 – 0.05 0.15 remained –
5182 0.200 0.350 0.150 0.20-0.50 4.0-5.0 0.100 – 0.250 – 0.100 – 0.05 0.15 remained –
5083 0.400 0.400 0.100 0.40-1.0 4.0-4.9 0.05-0.25 – 0.250 – 0.150 – 0.05 0.15 remained LF4
5183 0.400 0.400 0.100 0.5-1.0 4.3-5.2 0.05-0.25 – 0.250 ① 0.150 – 0.05 0.15 remained –
5086 0.400 0.500 0.100 0.20-0.7 3.5-4.5 0.05-0.25 – 0.250 – 0.150 – 0.05 0.15 remained –
6A02 0.50-1.2 0.500 0.20-0.6 或Cr0.15-0.35 0.45-0.9 – – 0.200 – 0.150 – 0.05 0.10 remained LD2
6B02 0.7-1.1 0.400 0.10-0.40 0.10-0.30 0.40-0.8 – – 0.150 – 0.01-0.04 – 0.05 0.10 remained LD2-1
6A51 0.50-0.7 0.500 0.15-0.35 – 0.45-0.6 – – 0.250 Sn:0.15-0.35 0.01-0.04 – 0.05 0.15 remained –
6101 0.30-0.7 0.500 0.100 0.030 0.35-0.8 0.030 – 0.100 B:0.06 – – 0.03 0.10 remained –
6101A 0.30-0.7 0.400 0.050 – 0.40-0.9 – – – – – – 0.03 0.10 remained –
6005 0.6-0.9 0.350 0.100 0.100 0.40-0.6 0.100 – 0.100 – 0.100 – 0.05 0.15 remained –
6005A 0.50-0.9 0.350 0.300 0.500 0.40-0.7 0.300 – 0.200 Mn+Cr:0.12-0.50 0.100 – 0.05 0.15 remained –
6351 0.7-1.3 0.500 0.100 0.40-0.8 0.40-0.8 – – 0.200 – 0.200 – 0.05 0.15 remained –
6060 0.30-0.6 0.10-0.30 0.100 0.100 0.35-0.6 0.050 – 0.150 – 0.100 – 0.05 0.15 remained –
6061 0.40-0.8 0.700 0.15-0.40 0.150 0.8-1.2 0.04-0.35 – 0.250 – 0.150 – 0.05 0.15 remained LD30
6063 0.20-0.6 0.350 0.100 0.100 0.45-0.9 0.100 – 0.100 – 0.100 – 0.05 0.15 remained LD31
6063A 0.30-0.6 0.15-0.35 0.100 0.150 0.6-0.9 0.050 – 0.150 – 0.100 – 0.05 0.15 remained –
6070 1.0-1.7 0.500 0.15-0.40 0.40-1.0 0.50-1.2 0.100 – 0.250 – 0.150 – 0.05 0.15 remained LD2-2
6181 0.8-1.2 0.450 0.100 0.150 0.6-1.0 0.100 – 0.200 – 0.100 – 0.05 0.15 remained –
6082 0.7-1.3 0.500 0.100 0.40-1.0 0.6-1.2 0.250 – 0.200 – 0.100 – 0.05 0.15 remained –
7A01 0.300 0.300 0.010 – – – – 0.9-1.3 Si+Fe:0.45 – – 0.03 – remained LB1
7A03 0.200 0.200 1.8-2.4 0.100 1.2-1.6 0.050 – 6.0-6.7 – 0.02-0.08 – 0.05 0.10 remained LC3
7A04 0.500 0.500 1.4-2.0 0.20-0.6 1.8-2.8 0.10-0.25 – 5.0-7.0 – 0.100 – 0.05 0.10 remained LC4
7A05 0.250 0.250 0.200 0.15-0.40 1.1-1.7 0.05-0.15 – 4.4-5.0 – 0.02-0.06 0.10-0.25 0.05 0.15 remained –
7A09 0.500 0.500 1.2-2.0 0.150 2.0-3.0 0.16-0.30 – 5.1-6.1 – 0.100 – 0.05 0.10 remained LC9
7A10 0.300 0.300 0.50-1.0 0.20-0.35 3.0-4.0 0.10-0.20 – 3.2-4.2 – 0.100 – 0.05 0.10 remained LC10
7A15 0.500 0.500 0.5-1.0 0.10-0.40 2.4-3.0 0.10-0.30 – 4.4-5.4 Ser: 0.005-0.01 0.05-0.15 – 0.05 0.15 remained LC15
7A19 0.300 0.400 0.08-0.30 0.3-0.5 1.3-1.9 0.10-0.20 – 4.5-5.3 Be:0.0001-0.004② – 0.08-0.20 0.05 0.15 remained LC19
7A31 0.300 0.600 0.10-0.40 0.20-0.40 2.5-3.3 0.10-0.20 – 3.6-4.5 Be:0.0001-0.001② 0.02-0.10 0.08-0.25 0.05 0.15 remained –
7A33 0.250 0.300 0.25-0.55 0.050 2.2-2.7 0.15-0.20 – 4.6-5.4 – 0.050 – 0.05 0.10 remained –
7A52 0.250 0.300 0.05-0.2 0.20-0.50 2.0-2.8 0.15-0.25 – 4.0-4.8 – 0.05-0.18 0.05-0.15 0.05 0.15 remained LC52
7003 0.300 0.350 0.200 0.300 0.50-1.0 0.200 – 5.0-6.5 – 0.200 0.05-0.25 0.05 0.15 remained LC12
7005 0.350 0.400 0.100 0.20-0.7 1.0-1.8 0.06-0.20 – 4.0-5.0 – 0.01-0.06 0.08-0.20 0.05 0.15 remained –
7020 0.350 0.400 0.200 0.05-0.50 1.0-1.4 0.10-0.35 – 4.0-5.0 Zr+Ti:0.08-0.25 – 0.08-0.20 0.05 0.15 remained –
7022 0.500 0.500 0.50-1.0 0.10-0.40 2.6-3.7 0.10-0.30 – 4.3-5.2 Zr+Ti:0.20 – – 0.05 0.15 remained –
7050 0.120 0.150 2.0-2.6 0.100 1.9-2.6 0.040 – 5.7-6.7 – 0.060 0.08-0.15 0.05 0.15 remained –
7075 0.400 0.500 1.2-2.0 0.300 2.1-2.9 0.18-0.28 – 5.1-6.1 ⑤ 0.200 – 0.05 0.15 remained –
7475 0.100 0.120 1.2-1.9 0.060 1.9-2.6 0.18-0.25 – 5.2-6.2 – 0.060 – 0.05 0.15 remained –
8A06 0.550 0.500 0.100 0.100 0.100 – – 0.100 Fe+Si:1.0 – – 0.05 0.15 remained –
8011 0.50-0.9 0.6-1.0 0.100 0.200 0.050 0.050 – 0.100 – 0.080 – 0.05 0.15 remained –
8090 0.200 0.300 1.0-1.6 0.100 0.6-1.3 0.100 – 0.250 Li:2.2-2.7 0.100 0.04-0.16 0.05 0.15 remained –

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