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ASTM A204 Steel vs. Zamak 7

ASTM A204 steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A204 steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
80
Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 18 to 22
13
Fatigue Strength, MPa 200 to 220
47
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
33
Shear Strength, MPa 330 to 360
210
Tensile Strength: Ultimate (UTS), MPa 520 to 590
280
Tensile Strength: Yield (Proof), MPa 290 to 330
250

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Maximum Temperature: Mechanical, °C 410
95
Melting Completion (Liquidus), °C 1470
390
Melting Onset (Solidus), °C 1420 to 1430
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 7.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
38

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
57
Embodied Water, L/kg 47
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
36
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
370
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18 to 21
12
Strength to Weight: Bending, points 18 to 20
15
Thermal Diffusivity, mm2/s 14
43
Thermal Shock Resistance, points 15 to 17
8.6