Patent ID: 7041179

Claim:
A magnesium based alloy exhibiting a tensile yield strength (TYS) at 175° C. of at least 150 MPa, and exhibiting minimum creep rate (MCR) less than 1.7×10 −9 /s at 150° C. under stress of 100 MPa consisting essentially of: i) at least 85.4 Wt % Mg, ii) 4.7 to 7.3 wt % aluminum, iii) 0.17 to 0.60 wt % manganese, iv) 0.0 to 0.8 wt % zinc, v) 1.8 to 3.2 wt % calcium, vi) 0.3 to 2.2 wt % tin, vii) 0.0 to 0.5 wt % strontium and up to 0.004 wt % iron, up to 0.001 wt % nickel, up to 0.003 wt % copper, and up to 0.03 wt % silicon.