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Zamak 7 vs. ASTM A266 Carbon Steel

Zamak 7 belongs to the zinc alloys classification, while ASTM A266 carbon steel belongs to the iron 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 Zamak 7 and the bottom bar is ASTM A266 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
21 to 26
Fatigue Strength, MPa 47
170 to 200
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
73
Shear Strength, MPa 210
320 to 380
Tensile Strength: Ultimate (UTS), MPa 280
500 to 600
Tensile Strength: Yield (Proof), MPa 250
230 to 290

Thermal Properties

Latent Heat of Fusion, J/g 120
250
Maximum Temperature: Mechanical, °C 95
400
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
51 to 52
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 38
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 57
18 to 19
Embodied Water, L/kg 380
46 to 47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
110
Resilience: Unit (Modulus of Resilience), kJ/m3 370
140 to 230
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
18 to 21
Strength to Weight: Bending, points 15
18 to 20
Thermal Diffusivity, mm2/s 43
14
Thermal Shock Resistance, points 8.6
16 to 19