Page 14 - Motor Fan illustrated Special Edition
P. 14

Aluminum usage guidelines

                       The table on this page explains the characteristics of the different alloys types and what automobile
                       components they are used in.




                            Alloy designation
                                                          Characteristics                     Use in automobiles
                              AA     UACJ

                                           Excellent processability and surface treatability.
                             1050    A50                                              Heat insulators
                                           The most corrosion-resistant of all aluminum alloys.
                     1000
                      Al     1100    A30                                              Heat insulators, license plates
                                           General-purpose aluminum with over 99.0% purity.
                                           Surface appears slightly white after anodizing.
                             1200     A0                                              Heat insulators
                             2014    14S                                              Motorbike handles, ABS

                                           Very strong alloy used for structural components. Because of
                             2017    17S   relatively higher copper content, inferior corrosion resistance.
                                                                                      Shock absorbers, handles, spokes, conrods
                             2024    24S

                                           High-strength, excellent properties at high and low temperatures,
                             2219    B19S                                             Rotors, brake components
                                           superior weldability, but inferior corrosion resistance.
                     2000
                     Al-Cu           CG29  Higher strength at elevated temperatures than that of 2618.  Conrods, pistons

                                    CB156
                                    CB256  Lead-free highly-machinable alloys.        AT valves
                                     KS26
            Motor Fan illustrated
                             2618    2618  High-strength at high temperatures.
                                           Saitable for forging and machining.        Compressor wheels, Pistons
                                     20A1
                                     303S   10% stronger than 1100.
                             3003                                                     Piping
                     3000            D3S   Good processability and corrosion resistance.
                     Al-Mn
                             3004    304S  Stronger than 3003.                        Cowl grilles, heat insulators
                                      4S   Excellent deep-drawability, and good corrosion resistance.

                                           Excellent heat and abrasion resistance.
                             4032    32S                                              Pistons
                                           Low thermal expansion coefficient.

           ALUMINUM  AUTOMOBILE TECHNOLOGY
                                    SC100  Excellent abrasion resistance and forgability. Stronger than 4032.
           14        4000           SC300  A stronger version of SC100.               Power steering housing,
                     Al-Si
                                    TF06B  Excellent abrasion resistance and forgability.   compressor scrolls, valve lifters
                                     TF08
                                     TF10B  Stronger than 4032.
                                     TF12B  A hypereutectic alloy with enhanced forgability.  Compressor rotors

                                           A medium-strength alloy. Good corrosion resistance and   Meter display panels, AT drums,
                             5052    52S
                                           formability. High fatigue strength.        air bag inflators, covers

                             5454    D54S  20% stronger than 5052. Good corrosion resistance.   Wheel rims, suspension components
                                           An alloy for use in welded structures.
                                     183S
                                           The strongest of the non-thermally treated alloys.
                                                                                      Tanks, gas cylinders
                                           A high formability version of 183S.
                             5083    383S
                                           Excellent superplastic properties.
                                     483S
                     5000            NP5/6  An extrusion alloy version of 183S.       Lashing rails
                     Al-Mg
                                           Nearly as strong as 5083. Good processability and corrosion   Dust covers, seat frames, air cleaner cases,
                                     A82S  resistance.                                spring sheets
                             5182
                                    GM145  Good formability and stress corrosion cracking performance.  Body panels (interior)


                                           20% stronger than 5052.
                                     A154S
                                           Good formability.
                             5154                                                     Wheels, underbody components,
                                           20% stronger than 5052.                    drivetrain components,
                                    A254S
                                           Good stress corrosion cracking performance.  suspension components

                                     GC32  Good formability and stress corrosion cracking performance.
                                                                    Alloy designation: “AA” means the designations used by the Aluminum Association.
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