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Grade 705C Zirconium vs. EN 1.4530 Stainless Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4530 stainless steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is EN 1.4530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 540
1030 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Expansion, µm/m-K 5.7
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
130

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
36 to 48
Strength to Weight: Bending, points 22
29 to 35
Thermal Shock Resistance, points 69
35 to 47

Alloy Composition

Aluminum (Al), % 0
0.6 to 0.8
Carbon (C), % 0 to 0.1
0 to 0.015
Chromium (Cr), % 0
11.5 to 12.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
74.4 to 77.3
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
1.9 to 2.2
Nickel (Ni), % 0
8.5 to 9.5
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.030
0 to 0.010
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.37
Zirconium (Zr), % 91.9 to 98
0