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SAE-AISI D7 Steel vs. ZA-8

SAE-AISI D7 steel belongs to the iron alloys classification, while ZA-8 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 D7 steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
85 to 86
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 73
34
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 270
110
Melting Completion (Liquidus), °C 1440
400
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 7.6
6.3
Embodied Carbon, kg CO2/kg material 11
3.3
Embodied Energy, MJ/kg 180
62
Embodied Water, L/kg 130
420

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 29 to 78
9.3 to 17
Strength to Weight: Bending, points 25 to 48
12 to 18
Thermal Diffusivity, mm2/s 7.4
42
Thermal Shock Resistance, points 27 to 72
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 2.2 to 2.5
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.25
0.8 to 1.3
Iron (Fe), % 76.6 to 81.9
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0 to 0.045
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Vanadium (V), % 3.8 to 4.4
0
Zinc (Zn), % 0
89.7 to 91.2

Comparable Variants