Magnesium AS21X1 Die Cast Alloy

Aug 7 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications

Introduction

Magnesium AS21X1 is a die cast alloy. Die casting is a type of metal casting process where molten metal is forced under high pressure into a mold cavity.

Magnesium AS21X1 has excellent creep resistance. The following sections will discuss in detail about magnesium AS21X1 die cast alloy.

Chemical Composition

The chemical composition of magnesium AS21X1 alloy is outlined in the following table.

Element Content (%)
Magnesium, Mg 97
Silicon, Si 1.1
Aluminum, Al 1.7
Manganese, Mn ≥ 0.40

Physical Properties

The physical properties of magnesium AS21X1 alloy are tabulated below.

Properties Metric Imperial
Density 1.78 g/cm3 0.0643 lb/in3

Mechanical Properties

The following table shows mechanical properties of magnesium AS21X1 cast alloy.

Properties Metric Imperial
Tensile strength 130 MPa 18900 psi
Poisson’s ratio 0.35 0.35
Elastic modulus 45 GPa 6526 ksi
Elongation 9% 9%

Thermal Properties

The thermal properties of magnesium AS21X1 alloy are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@20-100°C/68-212°F) 26 µm/m°C 14.4 µin/in°F

Applications

Magnesium AS21X1 cast alloy is used in high temperature applications.

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