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ASTM A372 Grade G Steel vs. ZA-27

ASTM A372 grade G steel belongs to the iron alloys classification, while ZA-27 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 A372 grade G steel and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
78
Elongation at Break, % 20 to 22
2.0 to 4.5
Fatigue Strength, MPa 310 to 380
110 to 170
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
31
Shear Strength, MPa 410 to 570
230 to 330
Tensile Strength: Ultimate (UTS), MPa 650 to 910
400 to 430
Tensile Strength: Yield (Proof), MPa 430 to 550
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
130
Maximum Temperature: Mechanical, °C 410
120
Melting Completion (Liquidus), °C 1460
480
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
530
Thermal Conductivity, W/m-K 46
130
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
53

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
11
Density, g/cm3 7.8
5.0
Embodied Carbon, kg CO2/kg material 1.5
4.2
Embodied Energy, MJ/kg 20
80
Embodied Water, L/kg 49
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
420 to 890
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
28
Strength to Weight: Axial, points 23 to 32
22 to 24
Strength to Weight: Bending, points 21 to 27
24 to 25
Thermal Diffusivity, mm2/s 13
47
Thermal Shock Resistance, points 19 to 27
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.25 to 0.35
0
Chromium (Cr), % 0.4 to 0.65
0
Copper (Cu), % 0
2.0 to 2.5
Iron (Fe), % 97.4 to 98.4
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Manganese (Mn), % 0.7 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0 to 0.080
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
69.3 to 73

Comparable Variants