M1A (M1A-F, 3.5200, M15100) Magnesium

M1A magnesium is an alloy of magnesium. It is typically furnished in the as-fabricated (no temper or treatment) condition. M1A is the ASTM designation for this material. 3.5200 is the EN numeric designation. And M15100 is the UNS number.

Material Properties

Base Metal Price20 % rel

Density1.8 g/cm3 (110 lb/ft3)

Elastic (Young's, Tensile) Modulus47 GPa (6.8 x 106 psi)

Elongation at Break5.0 %

Fatigue Strength (Endurance Limit)80 MPa (12 x 103 psi)

Modulus of Resilience (Unit Resilience)180 kJ/m3

Poisson's Ratio0.29

Shear Strength120 MPa (17 x 103 psi)

Specific Heat Capacity990 J/kg-K

Strength to Weight Ratio120 kN-m/kg

Tensile Strength: Ultimate (UTS)220 MPa (32 x 103 psi)

Tensile Strength: Yield (Proof)130 MPa (19 x 103 psi)

Thermal Conductivity1.5 W/m-K

Thermal Diffusivity0.84 m2/s

Thermal Expansion26 µm/m-K

Unit Rupture Work (Ultimate Resilience)9.5 MJ/m3

The length of each bar compares the given value to the highest value in the database.

Alloy Composition

Magnesium (Mg)97.2 to 98.8 %

Manganese (Mn)1.2 to 2.0 %

Calcium (Ca)0 to 0.3 %

Residuals0 to 0.3 %

Silicon (Si)0 to 0.1 %

Copper (Cu)0 to 0.050 %

Nickel (Ni)0 to 0.010 %

Further Reading

ASTM B107: Standard Specification for Magnesium-Alloy Extruded Bars, Rods, Profiles, Tubes, and Wire

Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014.

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993