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Grade 702C Zirconium vs. AISI 334 Stainless Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while AISI 334 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 13
34
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 84
79
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 430
540
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Expansion, µm/m-K 5.7
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
140
Resilience: Unit (Modulus of Resilience), kJ/m3 510
96
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 Shock Resistance, points 55
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.1
0 to 0.080
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
55.7 to 62.7
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
19 to 21
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Zirconium (Zr), % 94.8 to 100
0