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SAE-AISI D4 Steel vs. ZA-8

SAE-AISI D4 steel belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D4 steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
85 to 86
Elongation at Break, % 8.4 to 15
1.3 to 8.0
Fatigue Strength, MPa 310 to 920
51 to 100
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 74
34
Shear Strength, MPa 460 to 1210
240 to 280
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
210 to 370
Tensile Strength: Yield (Proof), MPa 470 to 1540
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 270
110
Melting Completion (Liquidus), °C 1430
400
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 31
120
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
28
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
40

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
11
Density, g/cm3 7.7
6.3
Embodied Carbon, kg CO2/kg material 3.3
3.3
Embodied Energy, MJ/kg 49
62
Embodied Water, L/kg 100
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
2.8 to 28
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27 to 75
9.3 to 17
Strength to Weight: Bending, points 24 to 47
12 to 18
Thermal Diffusivity, mm2/s 8.3
42
Thermal Shock Resistance, points 23 to 63
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 2.1 to 2.4
0
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0.8 to 1.3
Iron (Fe), % 80.6 to 86.3
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0 to 0.045
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Vanadium (V), % 0 to 1.0
0
Zinc (Zn), % 0
89.7 to 91.2

Comparable Variants