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Grade 702C Zirconium vs. AISI 317L Stainless Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while AISI 317L stainless steel belongs to the iron alloys. There are 22 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 317L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 13
44
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 84
81
Shear Modulus, GPa 36
82
Tensile Strength: Ultimate (UTS), MPa 430
550
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
14
Thermal Expansion, µm/m-K 5.7
17

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
200
Resilience: Unit (Modulus of Resilience), kJ/m3 510
150
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 12
3.8
Thermal Shock Resistance, points 55
12

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
18 to 20
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
58 to 68
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
11 to 15
Nitrogen (N), % 0 to 0.030
0 to 0.1
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.8 to 100
0