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EN 1.7177 Steel vs. Grade 702C Zirconium

EN 1.7177 steel belongs to the iron alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 17 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 EN 1.7177 steel and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
180
Elastic (Young's, Tensile) Modulus, GPa 190
97
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 660 to 1990
430

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 47
22
Thermal Expansion, µm/m-K 13
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 49
450

Common Calculations

Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 71
18
Strength to Weight: Bending, points 21 to 45
19
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 19 to 59
55

Alloy Composition

Carbon (C), % 0.55 to 0.65
0 to 0.1
Chromium (Cr), % 0.6 to 0.9
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 97 to 98.2
0 to 0.3
Manganese (Mn), % 0.7 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Zirconium (Zr), % 0
94.8 to 100