Types of magnesium alloys


1. Name of alloy

The alloy name of magnesium alloy is named after the main added alloying elements and their percentages.

2. Composition of main alloy (ASTM specification)

Alloy name Mg Al Zn Mn Si Cu Ni Fe

AZ91D ball. 8.5-9.5 0.45-0.90 0.17-0.4 <= 0.05 <= 0.025 <= 0.001 <= 0.004

AM60B ball. 5.6-6.4 <= 0.20 0.26-0.5 <= 0.05 <= 0.008 <= 0.001 <= 0.004

AM50A ball. 4.5-5.3 <= 0.20 0.28-0.5 <= 0.01 <= 0.008 <= 0.001 <= 0.004

AS41B ball. 3.7-4.8 <= 0.10 0.35-0.60 0.6-1.4 <= 0.015 <= 0.001 <= 0.0035

3. Characteristics and application range of main alloys

Alloy Name Feature Application Range

AZ91D high strength and good corrosion resistance of electrical products housing, etc.

AM60B elongation and impact resistance, steering wheel and seat on large cars, etc.

AM50A Elongation and Impact Resistance Steering Wheel and Seat on Cars

AS41B has good creep resistance, such as reduction gearbox on automobiles

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Light weight, low density, 63% of aluminum alloy, 25% of iron.