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ZA-27 vs. ASTM A372 Grade K Steel

ZA-27 belongs to the zinc alloys classification, while ASTM A372 grade K steel belongs to the iron alloys. There are 31 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 ZA-27 and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
230
Elastic (Young's, Tensile) Modulus, GPa 78
190
Elongation at Break, % 2.0 to 4.5
23
Fatigue Strength, MPa 110 to 170
440
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 31
73
Shear Strength, MPa 230 to 330
490
Tensile Strength: Ultimate (UTS), MPa 400 to 430
780
Tensile Strength: Yield (Proof), MPa 260 to 370
620

Thermal Properties

Latent Heat of Fusion, J/g 130
250
Maximum Temperature: Mechanical, °C 120
440
Melting Completion (Liquidus), °C 480
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 530
470
Thermal Conductivity, W/m-K 130
48
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 53
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
4.4
Density, g/cm3 5.0
7.9
Embodied Carbon, kg CO2/kg material 4.2
1.8
Embodied Energy, MJ/kg 80
24
Embodied Water, L/kg 570
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
160
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
1010
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 28
24
Strength to Weight: Axial, points 22 to 24
27
Strength to Weight: Bending, points 24 to 25
24
Thermal Diffusivity, mm2/s 47
13
Thermal Shock Resistance, points 14 to 15
23

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0
1.0 to 1.8
Copper (Cu), % 2.0 to 2.5
0
Iron (Fe), % 0 to 0.1
93.4 to 96.6
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0.1 to 0.4
Molybdenum (Mo), % 0
0.2 to 0.6
Nickel (Ni), % 0 to 0.020
2.0 to 3.3
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.080
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 69.3 to 73
0