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SAE-AISI M3 Class 1 Steel vs. ZA-27

SAE-AISI M3 class 1 steel belongs to the iron alloys classification, while ZA-27 belongs to the zinc alloys. There are 21 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M3 class 1 steel and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
78
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
31
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
400 to 430

Thermal Properties

Latent Heat of Fusion, J/g 260
130
Melting Completion (Liquidus), °C 1610
480
Melting Onset (Solidus), °C 1570
380
Specific Heat Capacity, J/kg-K 440
530
Thermal Conductivity, W/m-K 26
130
Thermal Expansion, µm/m-K 12
26

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 8.3
5.0
Embodied Carbon, kg CO2/kg material 10
4.2
Embodied Energy, MJ/kg 150
80
Embodied Water, L/kg 100
570

Common Calculations

Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 23
28
Strength to Weight: Axial, points 26 to 72
22 to 24
Strength to Weight: Bending, points 22 to 44
24 to 25
Thermal Diffusivity, mm2/s 7.2
47
Thermal Shock Resistance, points 24 to 67
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
2.0 to 2.5
Iron (Fe), % 76.9 to 82.9
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.080
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0
Zinc (Zn), % 0
69.3 to 73