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R30556 Alloy vs. Zamak 2

R30556 alloy belongs to the iron alloys classification, while Zamak 2 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
87
Elongation at Break, % 45
6.0
Fatigue Strength, MPa 320
59
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 81
33
Shear Strength, MPa 550
320
Tensile Strength: Ultimate (UTS), MPa 780
360
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 300
130
Maximum Temperature: Mechanical, °C 1100
95
Melting Completion (Liquidus), °C 1420
390
Melting Onset (Solidus), °C 1330
380
Specific Heat Capacity, J/kg-K 450
410
Thermal Conductivity, W/m-K 11
110
Thermal Expansion, µm/m-K 15
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
25
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
35

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.4
6.5
Embodied Carbon, kg CO2/kg material 8.7
3.0
Embodied Energy, MJ/kg 130
57
Embodied Water, L/kg 300
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
20
Resilience: Unit (Modulus of Resilience), kJ/m3 290
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26
15
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 2.9
41
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
3.5 to 4.3
Boron (B), % 0 to 0.020
0
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 21 to 23
0
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
2.5 to 3.3
Iron (Fe), % 20.4 to 38.2
0 to 0.1
Lanthanum (La), % 0.0050 to 0.1
0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 19 to 22.5
0 to 0.020
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.2 to 0.8
0 to 0.030
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0.3 to 1.3
0
Tin (Sn), % 0
0 to 0.0030
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
92.2 to 94