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AISI 204 Stainless Steel vs. Grade 705C Zirconium

AISI 204 stainless steel belongs to the iron alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. 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 AISI 204 stainless steel and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 330
200
Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 23 to 39
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
36
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
540
Tensile Strength: Yield (Proof), MPa 380 to 1080
390

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 15
18
Thermal Expansion, µm/m-K 17
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 130
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
66
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
790
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27 to 40
22
Strength to Weight: Bending, points 24 to 31
22
Thermal Diffusivity, mm2/s 4.1
9.9
Thermal Shock Resistance, points 16 to 24
69

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 15 to 17
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 69.6 to 76.4
0 to 0.3
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 1.5 to 3.0
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0.15 to 0.3
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zirconium (Zr), % 0
91.9 to 98