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Grade 702C Zirconium vs. AISI 202 Stainless Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while AISI 202 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 13
14 to 45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 430
700 to 980
Tensile Strength: Yield (Proof), MPa 310
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 5.7
17

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 510
250 to 840
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
25 to 35
Strength to Weight: Bending, points 19
23 to 29
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 55
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 0
17 to 19
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
63.5 to 71.5
Manganese (Mn), % 0
7.5 to 10
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0 to 0.030
0 to 0.25
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.8 to 100
0