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ASTM EZ33A-T5
Category Magnesium Alloy
Designations United States: UNS S21400, ASTM A240

Composition
ElementWeight %
Zn  2.70 
Zr  0.60 
Re  3.3 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 1.83 25  
Poisson's Ratio 0.35 25  
Elastic Modulus (GPa) 44.8 25  
Tensile Strength (Mpa) 160.0  25  T5 (sand casting, permanent mold casting) 
Yield Strength (Mpa) 110.0 
Elongation (%) 2.0 
Reduction in Area (%)  
Hardness (HB500) 50  25  T5 (sand casting, permanent mold casting) 
Shear Strength (MPa) 145  25  T5 (sand casting, permanent mold casting) 

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 26.1  20-100 T5 
Thermal Conductivity (W/m-K) 100.42  0  T5 
Glossary
Selecting the Right 3D Printer

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

CNC Machining Design Guide

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

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!