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ASTM A225 Steel vs. Zamak 5

ASTM A225 steel belongs to the iron alloys classification, while Zamak 5 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A225 steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 250
92
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 21 to 23
6.3
Fatigue Strength, MPa 330 to 390
56
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
33
Shear Strength, MPa 390 to 520
260
Tensile Strength: Ultimate (UTS), MPa 620 to 830
330
Tensile Strength: Yield (Proof), MPa 460 to 550
240

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Maximum Temperature: Mechanical, °C 400
95
Melting Completion (Liquidus), °C 1460
390
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 52
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
37

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
12
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 1.8
3.0
Embodied Energy, MJ/kg 24 to 25
57
Embodied Water, L/kg 48
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 170
19
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 820
330
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22 to 29
14
Strength to Weight: Bending, points 21 to 25
16
Thermal Diffusivity, mm2/s 14
42
Thermal Shock Resistance, points 18 to 24
9.9