K1A (K1A-F, M18010) Magnesium

Magnesium Alloys

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density1.6g/cm³

Elastic Modulus43GPa

Tensile Strength180MPa

Yield Strength51MPa

Brinell HardnessUnknown

Maximum Service Temperature120°C

Weight Calculator

Chemical Composition

98.7 to 99.6%

RES.

Residuals res. | | 0 to 0.3%

RESIDUALS RES.

0 to 0.3%

0.4 to 1.0%

Mechanical

Elastic (Young's, Tensile) Modulus

43 GPa

Elongation at Break

13 %

Fatigue Strength

39 MPa

Poisson's Ratio

0.29

Shear Modulus

17 GPa

Shear Strength

55 MPa

Tensile Strength: Ultimate (UTS)

180 MPa

Tensile Strength: Yield (Proof)

51 MPa

Physical

Density

1.6 g/cm 3

Thermal

Latent Heat of Fusion

350 J/g

Maximum Temperature: Mechanical

120 °C

Melting Completion (Liquidus)

650 °C

Melting Onset (Solidus)

650 °C

Solidification (Pattern Maker's) Shrinkage

1.6 %

Specific Heat Capacity

1000 J/kg-K

Thermal Conductivity

120 W/m-K

Thermal Diffusivity

75 mm 2 /s

Thermal Expansion

27 µm/m-K

Thermal Shock Resistance

11 points

Electrical

Electrical Conductivity: Equal Volume

30 % IACS

Electrical Conductivity: Equal Weight (Specific)

170 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

17 MJ/m 3

Resilience: Unit (Modulus of Resilience)

30 kJ/m 3

Stiffness to Weight: Axial

15 points

Stiffness to Weight: Bending

73 points

Strength to Weight: Axial

31 points

Strength to Weight: Bending

43 points

Environmental

Base Metal Price

13 % relative

Embodied Carbon

24 kg CO 2 /kg material

Embodied Energy

170 MJ/kg

Embodied Energy

170 MJ/kg 72 x 10 3 BTU/lb

Embodied Water

970 L/kg

Embodied Water

970 L/kg 120 gal/lb

Registered Designations & Aliases

K1A (K1A-F, M18010) MagnesiumK1A-FM18010

Standards

ASTM B403 ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings

ASTM B403 ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings Welding and Joining of Magnesium Alloys, Liming Liu (editor), 2010 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014 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

ASTM B80 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings