Magnesium AM100A-T61 Sand Cast Alloy (UNS M10100)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications

Introduction

Magnesium AM100A-T61 sand cast alloy is a pressure tight alloy designed with a good combination of strength and elongation. It can be cast as permanent-mold, investment cast, and sand cast. It has good combinations of tensile strength, yield strength, and elongation coupled with excellent weldability.

The following sections will discuss in detail about magnesium AM100A-T61 sand cast alloy.

Chemical Composition

The chemical composition of magnesium AM100A-T61 sand cast alloy is outlined in the following table.

Element Content (%)
Aluminum, Al 10
Manganese, Mn 0.10
Magnesium, Mg Remainder

Physical Properties

The physical properties of magnesium AM100A-T61 sand cast alloy are tabulated below.

Properties Metric Imperial
Density 1.83 g/cm3 0.0661 lb/in3
Melting point ≥ 430 °C ≥ 806 °F

Mechanical Properties

The following table shows mechanical properties of magnesium AM100A-T61 sand cast alloy.

Properties Metric Imperial
Tensile strength 275 MPa 39900 psi
Yield strength 150 MPa 21800 psi
Poisson’s ratio 0.35 0.35
Elastic modulus 45 GPa 6526 ksi
Elongation at break 1% 1%
Hardness, Brinell 69 69
Hardness, Knoop 92 92
Hardness, Rockwell E 80 80
Hardness, Vickers 79 79

Thermal Properties

The thermal properties of magnesium AM100A-T61 sand cast alloy are tabulated below.

Properties Conditions
T (°C) Treatment
Thermal conductivity 71.13 W/mK 0 T61
Thermal expansion 25.2 x 10-6/°C 18-100 T61

Other Designations

Equivalent materials to magnesium AM100A-T61 sand cast alloy are as follows:

  • AMS 4483
  • ASTM B 199
  • AMS T6 temper
  • 4455, ASTM B 403
  • ASTM B 80

Applications

Magnesium AM100A-T61 sand cast alloy is generally uses in commercial and military pressure-tight sand and permanent mold structural castings.

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