From a global perspective, due to the need for energy conservation and environmental protection, and at the same time as the bottleneck of new energy vehicle battery technology and rising oil prices, due to the need for environmental protection and energy conservation, automobile lightweight has become the trend of world automobile development.
High-strength steel, aluminum alloy, magnesium alloy and carbon fiber are the main means of future car weight reduction. The research data shows that if the vehicle weight is reduced by 10%, the fuel efficiency can be increased by 6%-8%. From the current market and technical level, higher strength steel and Automotive aluminum materials are still the first choice for lightweight vehicles. The density of aluminum is low, only about one-third of steel. At the same time, the comprehensive performance is currently significant due to the high price of magnesium alloy, titanium alloy and carbon fiber market, and the wide range of applications currently do not have basic conditions. While high-strength steel technology has a long development cycle, the replacement of automotive steel by Automotive Aluminum is currently the most mainstream means of weight reduction.
Aluminum alloy can be widely used in many parts of automobiles, including engine systems, traditional systems, chassis, body parts, etc., and has become one of the preferred materials for replacing automotive steel.
Typical application of aluminum alloy in automobile lightweight
component Components
Engine system Engine block, cylinder head, piston, intake pipe, water pump casing, engine casing, starting casing, rocker arm, rocker cover, filter base, engine bracket, timing sprocket cover, engine bracket, and power distributor , vaporizer, etc.
Transmission system Gearbox housing, clutch housing, connection filter plate, shift fork, gearbox shift end cover.
Chassis walking system Beam, upper and lower wall, steering casing, brake sub-pump, brake citrus, wheel, steering, etc.
Body system components Hood, roof, door, fender, trunk lid, floor, body frame and cover.
Heat exchanger system components Engine heat exchangers, oil radiators, intercoolers, air conditioning condensers and evaporators.
Other system components Clutch pedals, brake pedals, steering wheel, steering knuckle, engine frame, ABS system components, stamped wheels, seats, bumpers, compartment floors and trims.

The country's stringent standards for fuel consumption in energy-efficient and new-energy vehicles are important drivers for expanding the use of Automotive aluminum in automotive applications. At the same time, the clear phase-by-stage lightweighting goal also laid the foundation for the lightweight of the car.
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