MakeItFrom.com
Menu (ESC)

R30556 Alloy vs. Zamak 7

R30556 alloy belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
86
Elongation at Break, % 45
13
Fatigue Strength, MPa 320
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 81
33
Shear Strength, MPa 550
210
Tensile Strength: Ultimate (UTS), MPa 780
280
Tensile Strength: Yield (Proof), MPa 350
250

Thermal Properties

Latent Heat of Fusion, J/g 300
120
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
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
38

Otherwise Unclassified Properties

Base Metal Price, % relative 70
11
Density, g/cm3 8.4
6.4
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
36
Resilience: Unit (Modulus of Resilience), kJ/m3 290
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26
12
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 2.9
43
Thermal Shock Resistance, points 18
8.6

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 0.0020
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 21 to 23
0
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 20.4 to 38.2
0 to 0.075
Lanthanum (La), % 0.0050 to 0.1
0
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 19 to 22.5
0.0050 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
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0.3 to 1.3
0
Tin (Sn), % 0
0 to 0.0010
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
95.3 to 96.5