ALUMINUM ALLOYS Aluminum Classification and Temper designations of

ALUMINUM ALLOYS • Aluminum ��������������������� • Classification and Temper designations of aluminum alloys • Wrought aluminum and Wrought aluminum alloys • Cast aluminum alloys

PURITIES OF ALUMINUM Aluminum % >99. 9990 99. 9960 – 99. 9990 99. 950 – 99. 9959 99. 80 – 99. 949 99. 00 – 99. 79 Designation Ultral purity Extreme purity Supper purity High purity Commercial purity

DESIGNATION OF ALUMINUM CASTING ALLOYS A 000. –A 000 Temper Sup-designation Temper designation Hyphen delimeter Decimal point delimeter Alloy designation Alloy group Modification Prefix

Wrought aluminum alloy groups Aluminum, 99. 00% Al and greater 1 xxx Aluminum alloys grouped by major alloying elements Copper 2 xxx Si, with added Cu and or Mg 3 xxx Si 4 xxx Mg 5 xxx Zn 7 xxx Sn 8 xxx Other element 9 xxx Unused series 6 xxx

Cast aluminum alloy groups Aluminum, 99. 00% Al and greater Aluminum alloys grouped by major alloying elements Copper Cu Mn Si Mg Mg and Si Zn Other element Unused series 1 xxx 2 xxx 3 xxx 4 xxx 5 xxx 6 xxx 7 xxx 8 xxx 9 xxx

Chemical composition and applications of commercially pure aluminum alloys Alloy 1050 %Purity 99. 50 %Si 0. 25 %Fe 0. 40 %Cu 0. 05 Applications Coiled tubing, extruded 1060 99. 60 0. 25 0. 35 0. 05 1100 99. 00 1. 0 Si+Fe - 0. 12 nom. 1145 99. 45 0. 55 Si+Fe - 0. 05 Foil for capacitors; fin stock 1175 99. 75 0. 15 Si+Fe - 0. 10 Reflector sheet 1200 99. 00 1. 0 Si+Fi - 0. 05 Coiled tubing, extruded; sheet metal work 1230 99. 30 0. 7 Si+Fe - 0. 10 Cladding for sheets and plates 1235 99. 35 0. 65 Si+Fe - 0. 05 Foil for capacitors; tubing 1345 99. 45 0. 30 0. 40 0. 10 - 1350 99. 50 0. 10 0. 40 0. 05 Electrical conductors Chemical equipment; railroad tank cars Sheet metal work; spun hollow ware; fin stock

��������� Al alloy 3003(1. 2%Mn) annealed sheet (Al-Fe-Mn-Si) Fin dispersion of (Mn, Fe)Al 6

��������� Al alloy 3003(1. 2%Mn)preheated at 543 �C cold-rolled 80%, annealed at 343 �C for 250 s. Mn precipitated on dislocation

Al-Mn-Al 3003 cooling rate of 1. 2°C/s. B C A �����������

Al 3003 showing Al 6(Fe. Mn)and Al 15(Fe. Mn)3 Si 2 Cooling rate: 0. 5 �C/s ����� 550 ���� B C A

ALUMINUM-MAGNESIUM ALLOYS

ALUMINUM-MAGNESIUM ALLOYS Alloy 5086 -H 43 Alloy 5456 Network of Mg 2 Al 3 Mg 2 Si Al 6(Fe, Mn) A B

Al-Mg alloy-AA 5005 Al 8 Fe 2 Si Al 3 Fe Mg 2 Si B Cooling rate: 3. 3°C/s C Al 8 Fe 2 Si A Cooling rate: 0. 3°C/s ����� 550 ���� Mixture Mg 2 Si

Aluminum-Copper alloys

Chemical compositions and appications of Al-Cu alloys Alloy %Cu %Mn 2011 5. 5 - 2025 . 45 0. 8 2219 6. 3 0. 3 2419 6. 3 0. 3 %Other Applications 0. 4 Bi, 0. 4 Pb Screw-machine products 0. 8 Si Forgings, aircraft products 0. 06 Ti, 0. 10 V, 0. 18 Zr Structural use to 660°F, high strength weldments for cryogenic and aircraft parts 0. 06 Ti, 0. 10 V, 0. 18 Zr Same as 2219 plus high fracture toughness

Al-Cu-201. 2 Si=0. 02, Fe=0. 01, Cu=4. 10, Mn=0. 31, Ti=0. 19, Ag=0. 51 Cooling rate 0. 3°C/s ����� 56 ����

Al-Cu-201. 2 Si=0. 02, Fe=0. 01, Cu=4. 10, Mn=0. 31, Ti=0. 19, Ag=0. 51 Cooling rate 0. 6 °C/s ����� 56 ����

Al-Cu-201. 2 Si=0. 02, Fe=0. 01, Cu=4. 10, Mn=0. 31, Ti=0. 19, Ag=0. 51 Cooling rate 4. 4°C/s ����� 56 ����

Al-Cu-201. 2 Si=0. 02, Fe=0. 01, Cu=4. 10, Mn=0. 31, Ti=0. 19, Ag=0. 51 Cooling rate 0. 3 °C/s ����� 560 ���� Al 7 Fe. Cu 2

Al-Cu-201. 2 Si=0. 02, Fe=0. 01, Cu=4. 10, Mn=0. 31, Ti=0. 19, Ag=0. 51 Cooling rate 0. 6 °C/s ����� 560 ���� Al 20 Mn 3 Cu 2 Al 2 Cu

Al-Cu-201. 2 Si=0. 02, Fe=0. 01, Cu=4. 10, Mn=0. 31, Ti=0. 19, Ag=0. 51 Cooling rate 4. 4 °C/s ����� 560 ����

Aluminum-Silicon alloys

Al alloy-319. 1 Si=5. 7, Fe=0. 62, Cu=3. 4, Mn=0. 36, Mg=0. 10, Zn=0. 92, Ti=0. 14 Cooling rate 0. 3°C/s ��������� 56 ����

Al alloy-319. 1 Si=5. 7, Fe=0. 62, Cu=3. 4, Mn=0. 36, Mg=0. 10, Zn=0. 92, Ti=0. 14 Cooling rate 0. 6°C/s ����� 56 ����

Al alloy-319. 1 Si=5. 7, Fe=0. 62, Cu=3. 4, Mn=0. 36, Mg=0. 10, Zn=0. 92, Ti=0. 14 Cooling rate 5°C/s ����� 56 ����

Al alloy-319. 1 Si=5. 7, Fe=0. 62, Cu=3. 4, Mn=0. 36, Mg=0. 10, Zn=0. 92, Ti=0. 14 Cooling rate 0. 3°C/s ����� 110 ���� Al 15(Mn. Fe)3 Si 2 Al 5 Fe. Si

Al alloy-319. 1 Si=5. 7, Fe=0. 62, Cu=3. 4, Mn=0. 36, Mg=0. 10, Zn=0. 92, Ti=0. 14 Cooling rate 5°C/s ����� 110 ���� Al 15(Mn. Fe)3 Si 2 Al 5 Fe. Si

Al alloy-319. 1 Si=5. 7, Fe=0. 62, Cu=3. 4, Mn=0. 36, Mg=0. 10, Zn=0. 92, Ti=0. 14 Cooling rate 5°C/s ����� 110 ����