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EN-MC35110 (MgZn4RE1Zr) Magnesium

EN-MC35110 magnesium is a magnesium alloy. Cited properties are appropriate for the T5 temper. To achieve this temper, the metal is artificially aged until it meets standard mechanical property requirements. MC35110 is the EN numeric designation for this material. MgZn4RE1Zr is the EN chemical designation. Additionally, the British Standard (BS) designation is MAG 5. And the AFNOR (French) designation is G-Z4TR.

It has a moderately high density among magnesium alloys. In addition, it has a fairly high base cost and a fairly high embodied energy.

The graph bars on the material properties cards below compare EN-MC35110 magnesium to other magnesium alloys (top) and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

63

Elastic (Young's, Tensile) Modulus

45 GPa 6.6 x 106 psi

Elongation at Break

3.1 %

Fatigue Strength

110 MPa 16 x 103 psi

Poisson's Ratio

0.29

Shear Modulus

18 GPa 2.6 x 106 psi

Shear Strength

130 MPa 19 x 103 psi

Tensile Strength: Ultimate (UTS)

230 MPa 33 x 103 psi

Tensile Strength: Yield (Proof)

150 MPa 22 x 103 psi

Thermal Properties

Latent Heat of Fusion

330 J/g

Maximum Temperature: Mechanical

140 °C 290 °F

Melting Completion (Liquidus)

600 °C 1110 °F

Melting Onset (Solidus)

520 °C 980 °F

Specific Heat Capacity

970 J/kg-K 0.23 BTU/lb-°F

Thermal Conductivity

110 W/m-K 65 BTU/h-ft-°F

Thermal Expansion

26 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

27 % IACS

Electrical Conductivity: Equal Weight (Specific)

130 % IACS

Otherwise Unclassified Properties

Base Metal Price

18 % relative

Density

1.9 g/cm3 120 lb/ft3

Embodied Carbon

24 kg CO2/kg material

Embodied Energy

170 MJ/kg 75 x 103 BTU/lb

Embodied Water

940 L/kg 110 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

6.3 MJ/m3

Resilience: Unit (Modulus of Resilience)

260 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

63 points

Strength to Weight: Axial

34 points

Strength to Weight: Bending

44 points

Thermal Diffusivity

61 mm2/s

Thermal Shock Resistance

14 points

Alloy Composition

Magnesium (Mg) 92 to 95.4
Zinc (Zn) 3.5 to 5.0
Zirconium (Zr) 0.4 to 1.0
Manganese (Mn) 0 to 0.15
Copper (Cu) 0 to 0.030
Silicon (Si) 0 to 0.010
Iron (Fe) 0 to 0.010
Nickel (Ni) 0 to 0.0050
Unspecified Rare Earths 0.75 to 1.8
Residuals 0 to 0.010

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

ISO 16220: Magnesium and magnesium alloys - Magnesium alloy ingots and castings

EN 1753: Magnesium and magnesium alloys. Magnesium alloy ingots and castings