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ASTM A372 Grade L Steel vs. ZA-8

ASTM A372 grade L steel belongs to the iron alloys classification, while ZA-8 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 L steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
87 to 100
Elastic (Young's, Tensile) Modulus, GPa 190
85 to 86
Elongation at Break, % 14
1.3 to 8.0
Fatigue Strength, MPa 670
51 to 100
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 73
34
Shear Strength, MPa 700
240 to 280
Tensile Strength: Ultimate (UTS), MPa 1160
210 to 370
Tensile Strength: Yield (Proof), MPa 1040
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Maximum Temperature: Mechanical, °C 430
100
Melting Completion (Liquidus), °C 1460
400
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 44
120
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
40

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
11
Density, g/cm3 7.8
6.3
Embodied Carbon, kg CO2/kg material 1.7
3.3
Embodied Energy, MJ/kg 22
62
Embodied Water, L/kg 54
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
260 to 490
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 41
9.3 to 17
Strength to Weight: Bending, points 31
12 to 18
Thermal Diffusivity, mm2/s 12
42
Thermal Shock Resistance, points 34
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.38 to 0.43
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
0.8 to 1.3
Iron (Fe), % 95.2 to 96.3
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0.6 to 0.8
0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
0 to 0.020
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0 to 0.045
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
89.7 to 91.2