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Grade FDSiCrV Steel vs. Zamak 7

Grade FDSiCrV steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCrV steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
80
Elastic (Young's, Tensile) Modulus, GPa 190
86
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 80
33
Tensile Strength: Ultimate (UTS), MPa 2100
280

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Maximum Temperature: Mechanical, °C 420
95
Melting Completion (Liquidus), °C 1440
390
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 47
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
38

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
11
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 26
57
Embodied Water, L/kg 50
380

Common Calculations

Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 75
12
Strength to Weight: Bending, points 47
15
Thermal Diffusivity, mm2/s 13
43
Thermal Shock Resistance, points 63
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.5 to 0.7
0
Chromium (Cr), % 0.5 to 1.0
0
Copper (Cu), % 0 to 0.12
0 to 0.25
Iron (Fe), % 96 to 97.8
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0.4 to 0.9
0
Nickel (Ni), % 0
0.0050 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.2 to 1.7
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.0010
Vanadium (V), % 0.1 to 0.25
0
Zinc (Zn), % 0
95.3 to 96.5