Metal Alloys
Alloy Home
Magnesium Alloys
General Information
Properties
Temper
Mg Alloys List
All
Castings
Bars and Shapes
Sheets and Plates
Specific Mg Alloy
General Information
Resources
Bibliography
Wind Systems

Towers, turbines, gearboxes; processes for shaping and finishing component parts.

Hydraulics & Pneumatics

For design and manufacturing engineers involved in buying or specifying fluid power components and systems.

NASA Tech Briefs

Innovations developed by NASA and its industry partners in a wide array of fields.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

more free magazines
 
ASTM HM21A-T8
Category Magnesium Alloy

Composition
ElementWeight %
Al  3.30 
Mn  0.60 
Th  2.00 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 1.78 25  
Poisson's Ratio 0.35 25  
Elastic Modulus (GPa) 44.8 25  
Tensile Strength (Mpa) 235.0  25  T8 (sheet, plate) 
Yield Strength (Mpa) 170.0 (130.0) 
Elongation (%) 11.0 
Reduction in Area (%)  
Note: Value in parentheses indicates yield strength for compression.
Shear Strength (MPa) 125  25  T8 (sheet, plate) 

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Conductivity (W/m-K) 138.07  0  T8 
Glossary