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SAE-AISI 9310 Steel vs. Grade 702C Zirconium

SAE-AISI 9310 steel belongs to the iron alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9310 steel and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 540 to 610
180
Elastic (Young's, Tensile) Modulus, GPa 190
97
Elongation at Break, % 17 to 19
13
Poisson's Ratio 0.29
0.34
Rockwell B Hardness 240 to 270
84
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 820 to 910
430
Tensile Strength: Yield (Proof), MPa 450 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 48
22
Thermal Expansion, µm/m-K 13
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.9
6.7
Embodied Water, L/kg 57
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 150
52
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 860
510
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 29 to 32
18
Strength to Weight: Bending, points 25 to 27
19
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 24 to 27
55

Alloy Composition

Carbon (C), % 0.080 to 0.13
0 to 0.1
Chromium (Cr), % 1.0 to 1.4
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 93.8 to 95.2
0 to 0.3
Manganese (Mn), % 0.45 to 0.65
0
Molybdenum (Mo), % 0.080 to 0.15
0
Nickel (Ni), % 3.0 to 3.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.010
Silicon (Si), % 0.2 to 0.35
0
Sulfur (S), % 0 to 0.012
0
Zirconium (Zr), % 0
94.8 to 100