MakeItFrom.com
Menu (ESC)

ACI-ASTM CA40F Steel vs. ZK61A Magnesium

ACI-ASTM CA40F steel belongs to the iron alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ACI-ASTM CA40F steel and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 13
5.8 to 7.1
Fatigue Strength, MPa 320
120 to 140
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
18
Tensile Strength: Ultimate (UTS), MPa 770
290 to 310
Tensile Strength: Yield (Proof), MPa 550
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 750
120
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1390
530
Specific Heat Capacity, J/kg-K 480
960
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 10
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
29
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
130

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
13
Density, g/cm3 7.7
1.9
Embodied Carbon, kg CO2/kg material 2.0
23
Embodied Energy, MJ/kg 28
160
Embodied Water, L/kg 100
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 790
370 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
62
Strength to Weight: Axial, points 28
42 to 45
Strength to Weight: Bending, points 24
50 to 53
Thermal Diffusivity, mm2/s 7.2
65
Thermal Shock Resistance, points 28
17 to 18

Alloy Composition

Carbon (C), % 0.2 to 0.4
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 81.6 to 88.3
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0.2 to 0.4
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3