Automobiles
Types and Applications of Aluminum Alloys for Automobiles
For various structural materials and body panels
UACJ's aluminum rolled products employ our leading sheet thickness control and advanced extrusion technologies. We offer a range of products covering the wide variety of automobile materials, from body panels to interior parts such as piping, through to license plates.
UACJ's aluminum rolled products are manufactured in our cutting-edge works under rigorous quality and environmental management systems with ISO 9001 and ISO 14001 certification, supported by our leading sheet thickness control and high-quality extrusion technologies.
1000 Series Alloys
| Alloy designation | Features | Use in automobiles | ||
|---|---|---|---|---|
| AA* | JIS | UACJ | ||
| 1050 | 1050 | A50 | Excellent processability and surface treatability; the most corrosion-resistant of all aluminum alloys | Heat insulators |
| 1100 | 1100 | A30 | General-purpose aluminum with a purity of 99.0% or higher. The same as A50, except that the appearance is slightly whiter after anodizing |
Heat insulators, license plates |
| 1200 | 1200 | A0 | Heat insulators | |
2000 Series Alloys
| Alloy designation | Features | Use in automobiles | ||
|---|---|---|---|---|
| AA* | JIS | UACJ | ||
| 2014 | 2014 | 14S | Corrosion resistance is inferior due to a relatively higher copper content, but it has high strength and is used for structural components | Motorbike steering wheels, ABS |
| 2017 | 2017 | 17S | Shock absorbers, steering wheel spokes, conrods | |
| 2024 | 2024 | 24S | ||
| 2219 | 2219 | B19S | High strength, excellent low-and high-temperature properties and weldability, but inferior corrosion resistance | Rotors |
| － | － | CG29 | An alloy with higher strength at elevated temperatures than that of 2618 | Conrods, pistons |
| － | － | CB256 CB156 |
Lead-free free-machining alloys | AT valves |
3000 Series Alloys
| Alloy designation | Features | Use in automobiles | ||
|---|---|---|---|---|
| AA* | JIS | UACJ | ||
| 3003 | 3003 | 303S | About 10% stronger than 1100, with good processability and corrosion resistance | Piping |
| 3004 | 3004 | 604S | Stronger than 3003, with excellent deep-drawability and good corrosion resistance | Cowl grilles, heat insulators |
4000 Series Alloys
| Alloy designation | Features | Use in automobiles | ||
|---|---|---|---|---|
| AA* | JIS | UACJ | ||
| 4032 | 4032 | 32S | Excellent heat and abrasion resistance, with a low thermal expansion coefficient | Pistons |
| － | － | SC100 | An alloy with excellent abrasion resistance and forgeability; stronger than 4032 | Power steering housing, compressor scrolls, valve lifters |
| － | － | SC300 | A stronger version of SC100 | |
| － | － | TF06B TF08 TF10B |
An alloy with excellent abrasion resistance and forgeability; stronger than 4032 | |
| － | － | TF12B | A hypereutectic alloy with enhanced forgeability | Compressor rotors |
5000 Series Alloys
| Alloy designation | Features | Use in automobiles | ||
|---|---|---|---|---|
| AA* | JIS | UACJ | ||
| 5052 | 5052 | 52S | A medium-strength alloy with good corrosion resistance and processability Also has high fatigue strength |
Meter display panels, AT drums, airbag inflators, covers |
| 5454 | 5454 | D54S | 20% stronger than 5052 Good corrosion resistance |
Wheel rims, suspension components |
| 5083 | 5083 | 183S | An alloy for use in welded structures The strongest of the non-heat-treated alloys |
Tanks, gas cylinders |
| 383S | A high formability version of 183S Also has excellent superplastic properties |
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| 483S NP5/6 |
An extrusion alloy version of 5083 | Lashing rails | ||
| 5182 | 5182 | A82S | Nearly as strong as 5083, with good processability and corrosion resistance | Dust covers, seat frames, air cleaner cases, spring sheets |
| GM145 | Good formability and stress corrosion cracking performance | Body panels (inner) | ||
| 5154 | 5154 | A154S | 20% stronger than 5052 Good formability |
Wheels, underbody components, drivetrain components, suspension components |
| A254S | 20% stronger than 5052 An alloy with good formability and consideration given to stress corrosion cracking performance |
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| － | － | GC32 | Good formability and stress corrosion cracking performance | |
| 5022 | － | GC45 | A high-strength, high-formability alloy for body panels, with low coat-baking proof stress reduction | Engine hoods, sunroofs, doors, center pillars, oil pans, floors, wheel housings, rear fenders, crossmember, air cleaner cases |
| － | － | GC150 | A slightly stronger alloy than GC45 | Body panels (inner) |
| 5110A | 5110 | 257S | A high-brightness alloy with strength equivalent to 3003 Good deep-drawability and corrosion resistance |
Moldings, trims, reflective panels, headlamp bulb shades |
| 5056 | 5056 | 356S | A non-heat-treated alloy for welded structures with excellent seawater resistance | Brake pistons, fuel delivery pipes, airbag inflators |
6000 Series Alloys
| Alloy designation | Features | Use in automobiles | ||
|---|---|---|---|---|
| AA* | JIS | UACJ | ||
| － | － | SG712 TM30 |
A bake-hardenable alloy for body panels | Engine hoods, rear fenders, front fenders, center pillars, wheel housings, sunroofs, doors, crossmembers |
| － | － | TM66 | A bake-hardenable alloy for body panels Higher proof stress and strength than SG112, with good formability |
|
| 6061 | 6061 | 61S 161S |
Heat-treated, corrosion-resistant aluminum alloys | ABS, fittings for anti-vibration rubber, wheels, propeller shafts, arms, links, airbags, joists, receiver tanks |
| 561S | Power plant frames | |||
| 6013 | － | SG210 | A high-strength aluminum alloy for forging | Suspension arms |
| 6063 | 6063 | 63S 163S Y63 |
Typical extrusion alloys. Lower strength than 6061, but superior extrudability and capable of complex shapes |
Moldings, seat frames, truck bed gates, sunroof railings, piping |
| 6005C | 6005C | 465S L55 |
An extrusion alloy with intermediate strength between 6061 and 6063, with good corrosion resistance and weldability | Bumper reinforcement, side sills, space frames, engine mount brackets, seat frames, ABS, shock absorber outer cylinders |
| － | － | SG109 | A high-strength alloy with good bendability and corrosion resistance Hollow extrusion is possible |
Bumper reinforcement, space frames |
| － | － | SG10 SG310 |
The strongest of the 6000 series aluminum alloys | Wheels, propeller shafts, arms, links |
| － | － | GT209 KS69S |
Lead-free free machining alloys | AT valves |
7000 Series Alloys
| Alloy designation | Features | Use in automobiles | ||
|---|---|---|---|---|
| AA* | JIS | UACJ | ||
| 7075 | 7075 | 75S | A typical high-strength alloy for use in aircraft | Seatbelt hinges, bobbins, retractors |
| 7178 | 7178 | A78S | The strongest of all aluminum alloys Inferior corrosion resistance |
Keys |
| 7003 | 7003 | ZK60 K73 |
An extrusion alloy for welded structures. |
Bumper reinforcement, seat sliders, motorbike frames, door impact beams, motorbike rims |
| 7204 | 7204 | ZK141 K70 |
Alloys for welded structures The strength at the welded part recovers almost to that of the raw material through natural aging |
Jacks, steering components, crossmembers, brake pedals, steering wheel cores, bumper fascias |
| 7204 | 7204 | ZK147 K70Y |
Jacks | |
| － | － | ZK55 | A weldable alloy that is even stronger than 7204 Hollow extrusion is possible |
Bumper reinforcement, impact beams, motorbike frames and rims |
| 7046 | － | ZK170 | ||
| 7050 | 7050 | ZG62 | High-strength aluminum alloys | Front forks |
| － | － | ZC88 | ||
* AA: The Aluminum Association (U.S.A.)