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ASTM A387 Grade 9 Steel vs. Zamak 5

ASTM A387 grade 9 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 (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 9 steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
92
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 20 to 21
6.3
Fatigue Strength, MPa 160 to 240
56
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 75
33
Shear Strength, MPa 310 to 380
260
Tensile Strength: Ultimate (UTS), MPa 500 to 600
330
Tensile Strength: Yield (Proof), MPa 230 to 350
240

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Maximum Temperature: Mechanical, °C 600
95
Melting Completion (Liquidus), °C 1460
390
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 10
37

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
12
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 2.1
3.0
Embodied Energy, MJ/kg 28
57
Embodied Water, L/kg 87
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
19
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 310
330
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18 to 21
14
Strength to Weight: Bending, points 18 to 20
16
Thermal Diffusivity, mm2/s 6.9
42
Thermal Shock Resistance, points 14 to 17
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 87.1 to 90.8
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.0030
Vanadium (V), % 0 to 0.040
0
Zinc (Zn), % 0
94.3 to 95.7