MakeItFrom.com
Menu (ESC)

SAE-AISI 4320 Steel vs. ZA-8

SAE-AISI 4320 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 SAE-AISI 4320 steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 240
87 to 100
Elastic (Young's, Tensile) Modulus, GPa 190
85 to 86
Elongation at Break, % 21 to 29
1.3 to 8.0
Fatigue Strength, MPa 320
51 to 100
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 73
34
Shear Strength, MPa 370 to 500
240 to 280
Tensile Strength: Ultimate (UTS), MPa 570 to 790
210 to 370
Tensile Strength: Yield (Proof), MPa 430 to 460
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Maximum Temperature: Mechanical, °C 420
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 46
120
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
40

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
11
Density, g/cm3 7.9
6.3
Embodied Carbon, kg CO2/kg material 1.7
3.3
Embodied Energy, MJ/kg 22
62
Embodied Water, L/kg 52
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 560
260 to 490
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20 to 28
9.3 to 17
Strength to Weight: Bending, points 19 to 24
12 to 18
Thermal Diffusivity, mm2/s 13
42
Thermal Shock Resistance, points 19 to 27
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.17 to 0.22
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
0.8 to 1.3
Iron (Fe), % 95.8 to 97
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0.45 to 0.65
0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0 to 0.045
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
89.7 to 91.2

Comparable Variants