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ZA-27 vs. ASTM A372 Grade M Steel

ZA-27 belongs to the zinc alloys classification, while ASTM A372 grade M 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 M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
240 to 280
Elastic (Young's, Tensile) Modulus, GPa 78
190
Elongation at Break, % 2.0 to 4.5
18 to 21
Fatigue Strength, MPa 110 to 170
450 to 520
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 31
73
Shear Strength, MPa 230 to 330
510 to 570
Tensile Strength: Ultimate (UTS), MPa 400 to 430
810 to 910
Tensile Strength: Yield (Proof), MPa 260 to 370
660 to 770

Thermal Properties

Latent Heat of Fusion, J/g 130
250
Maximum Temperature: Mechanical, °C 120
450
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
46
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 53
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
5.0
Density, g/cm3 5.0
7.9
Embodied Carbon, kg CO2/kg material 4.2
2.0
Embodied Energy, MJ/kg 80
27
Embodied Water, L/kg 570
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
160
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
1140 to 1580
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 28
24
Strength to Weight: Axial, points 22 to 24
29 to 32
Strength to Weight: Bending, points 24 to 25
24 to 27
Thermal Diffusivity, mm2/s 47
12
Thermal Shock Resistance, points 14 to 15
24 to 27

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0 to 0.23
Chromium (Cr), % 0
1.5 to 2.0
Copper (Cu), % 2.0 to 2.5
0
Iron (Fe), % 0 to 0.1
92.5 to 95.1
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.020
2.8 to 3.9
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.080
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0030
0
Vanadium (V), % 0
0 to 0.080
Zinc (Zn), % 69.3 to 73
0

Comparable Variants