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Grade 704C Zirconium vs. AISI 304L Stainless Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while AISI 304L 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 704C zirconium and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 11
6.7 to 46
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 85
79
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 470
540 to 1160
Tensile Strength: Yield (Proof), MPa 310
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 5.9
17

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 490
92 to 1900
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
19 to 41
Strength to Weight: Bending, points 20
19 to 31
Thermal Diffusivity, mm2/s 12
4.2
Thermal Shock Resistance, points 58
12 to 25

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
65 to 74
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
8.0 to 12
Nitrogen (N), % 0 to 0.030
0 to 0.1
Oxygen (O), % 0 to 0.3
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
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0