Types and applications of aluminum alloys for vehicles

UACJ rolled aluminum alloys are produced in its cutting-edge works under thorough quality
and environmental management systems with ISO 9001 and ISO 14001 certification.

  Alloy designation Characteristics Use in automobiles
AA UACJ
1000
Al
1050 A50 Excellent processability and surface treatability.
The most corrosion-resistant of all aluminum alloys.
Heat insulators
1100 A30 General-purpose aluminum with over 99.0% purity.
Surface appears slightly white after anodizing.
Heat insulators, license plates
1200 A0 Heat insulators
2000
Al-Cu
2014 14S Very strong alloy used for structural components.
Because of relatively higher copper content, inferior corrosion resistance.
Motorbike handles, ABS
2017 17S Shock absorbers, handles,
spokes, conrods
2024 24S
2219 B19S High-strength, excellent properties at high and low temperatures,
superior weldability, but inferior corrosion resistance.
Rotors, brake components
  CG29 Higher strength at elevated temperatures than that of 2618. Conrods, pistons
  CB156
CB256
KS26
Lead-free highly-machinable alloys. AT valves
2618 2618 High-strength at high temperatures.
Saitable for forging and machining.
Compressor wheels, Pistons
  20A1
3000
Al-Mn
3003 303S
D3S
10% stronger than 1100.
Good processability and corrosion resistance.
Piping
3004 304S
4S
Stronger than 3003.
Excellent deep-drawability, and good corrosion resistance.
Cowl grilles, heat insulators
4000
Al-Si
4032 32S Excellent heat and abrasion resistance.
Low thermal expansion coefficient.
Pistons
  SC100 Excellent abrasion resistance and forgability. Stronger than 4032. Power steering housing,
compressor scrolls, valve lifters
  SC300 A stronger version of SC100.
  TF06B
TF08
TF10B
Excellent abrasion resistance and forgability.
Stronger than 4032.
  TF12B A hypereutectic alloy with enhanced forgability. Compressor rotors
5000
Al-Mg
5052 52S A medium-strength alloy. Good corrosion resistance and
formability. High fatigue strength.
Meter display panels, AT drums,
air bag inflators, covers
5454 D54S 20% stronger than 5052. Good corrosion resistance. Wheel rims, suspension components
5083 183S An alloy for use in welded structures.
The strongest of the non-thermally treated alloys.
Tanks, gas cylinders
383S A high formability version of 183S.
Excellent superplastic properties.
483S
NP5/6
An extrusion alloy version of 183S. Lashing rails
5182 A82S Nearly as strong as 5083.
Good processability and corrosion resistance.
Dust covers, seat frames, air cleaner cases,
spring sheets
GM145 Good formability and stress corrosion cracking performance. Body panels (interior)
5154 A154S 20% stronger than 5052.
Good formability.
Wheels, underbody components,
drivetrain components,
suspension components
A254S 20% stronger than 5052.
Good stress corrosion cracking performance.
  GC32 Good formability and stress corrosion cracking performance.
5022 GC45
TG19
High-strength, high-formability body panel material.
Low coat-baking proof stress reduction.
Bonnets, roofs, doors, pillars, oil pans, floors,
rear fenders, air cleaner housings
  GC150 A slightly stronger alloy than GC45. Body panels
5023 GC55
TG25
Body panel material with further enhanced formability. Bonnets, roofs, trunk lids, instrument panels,
seat buckets, knee protectors
5110A 257S A high brightness alloy with the same strength as 3003.
Good deep-drawability and corrosion resistance.
Moldings, trims, reflective panels,
headlamp bulb shades
5056 356S A non-heat-treatable alloy for welded structures.
Excellent seawater resistance.
Brake pistons, fuel delivery pipes, airbag inflators
6000
Al-Mg-Si
  SG112
SG212
TM30
TM55
Body panel alloy with high bake hardenability,
formability, and high-hemmability.
Bonnets, rear fenders, front fenders, pillars,
wheel housings, roofs, doors
  SG312
TM66
TM67
BH type body panel alloy.
Even stronger than SG112 with good formability.
6061 61S
161S
Heat-treatable alloys with good corrosion resistance. ABS, crossmembers, wheels, propeller shafts,
arms, links, air bags, joists, receiver tanks
561S Power plant frames
6013 SG210 High-strength aluminum alloy for forging. Suspension arms
6063 63S
163S
Y63
Typical extrusion alloys. Lower strength than 6061,
but superior extrusion properties.
Moldings, seat frames, truck bed gates,
roof railings, piping
6005C 465S
L55
Intermediate strength between 6061 and 6063.
Good corrosion resistance and weldability.
Bumpers, space frames, engine brackets,
seat frames, ABS, side sills, shock absorbers
  SG109 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 alloys. Wheels, propeller shafts, arms, links
  GT209
KS69S
Lead-free high-machinability alloy. AT valves
7000
Al-Zn-Mg
7075 75S Typical high-strength alloy for use in aircraft manufacture. Seatbelt hinges, links, bobbins, retractors
7178 A78S The strongest aluminum alloy. Keys
7003 ZK60
K73
An extrusion alloy for welded structures.
Better extrusion properties than 7204.
Bumper reinforcement, seat sliders,
motorbike frames, door impact beams,
motorbike rims
7204 ZK141
K70
Alloys for welded structures. The strength at the welded part
recovers almost to the same as that of the raw material by natural aging.
Steering components, crossmembers,
brake pedals
7204 ZK147
K70Y
Jacks
  ZK55 Even stronger than 7204.
Welding and hollow extrusion is possible.
Bumper reinforcement, impact beams,
motorbike frames and rims
7046 ZK170
7050 ZG62 High-strength aluminum alloys. Motorbike front forks
  ZC88
Alloy designation: “AA” means the designations used by the Aluminum Association.