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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
Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.