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AISI 304L Stainless Steel vs. Grade 705C Zirconium

AISI 304L stainless steel belongs to the iron alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. 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 AISI 304L stainless steel and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 350
200
Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 6.7 to 46
13
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 79
87
Shear Modulus, GPa 77
36
Tensile Strength: Ultimate (UTS), MPa 540 to 1160
540
Tensile Strength: Yield (Proof), MPa 190 to 870
390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 16
18
Thermal Expansion, µm/m-K 17
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 150
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 240
66
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 1900
790
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19 to 41
22
Strength to Weight: Bending, points 19 to 31
22
Thermal Diffusivity, mm2/s 4.2
9.9
Thermal Shock Resistance, points 12 to 25
69

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 18 to 20
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 65 to 74
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 12
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zirconium (Zr), % 0
91.9 to 98