Magnesium Properties and alloys for extrusions

The tables below list some common properties of magnesium and the compositions of common magnesium alloys for extrusions.

General Physical Properties

PropertyUnitTemperatureAZ91AM60AM50AM20AS41AS21AE42
Densityg/cm3201.811.81.771.751.771.761.79
Liquid Temperature°C 598615620638617632625
Dissolve Temperature°C 420-435420-435420-435420-435420-435420-435420-435
Heat expansionum/m/*.k20-1002626262626.126.126.1
Specific heat of fusionkj/kg* 370370370370370370370
Heat ratioJ/kg*K201.021.021.021.021.021.021.02
Heat transferW/K*m2050616594688484
Electrical ResistanceμΩcm 14.112.512.5    
洛桑比mm/m 0.350.350.350.350.350.350.35
ConductivityMS/m206.6nm9.113.1nm10.811.7

 

Magnesium Alloys for Extrusion

AlloyAlloy Chemistry, (%)Application
 AlMnZnZrMg 
AZ31B and CF30.21NAbalancegeneral rigidity
AZ31B-H2430.21NAbalancegood rigidity, normal temperature
AZ61A-F6.50.151NAbalancegood rigidity, avg. cost
AZ80A-T58.50.120.5NAbalancehigh rigidity
ZK60A-T5NANA5.50.45balancehigh rigidity, unweldable