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EN 1.4971 Stainless Steel vs. Z21721 Zinc

EN 1.4971 stainless steel belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
87
Elongation at Break, % 34
40
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 81
35
Tensile Strength: Ultimate (UTS), MPa 800
150
Tensile Strength: Yield (Proof), MPa 340
120

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Maximum Temperature: Mechanical, °C 1100
90
Melting Completion (Liquidus), °C 1460
410
Melting Onset (Solidus), °C 1410
390
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
110
Thermal Expansion, µm/m-K 15
26

Otherwise Unclassified Properties

Base Metal Price, % relative 70
11
Density, g/cm3 8.4
6.6
Embodied Carbon, kg CO2/kg material 7.6
2.8
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 300
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
57
Resilience: Unit (Modulus of Resilience), kJ/m3 280
88
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 26
6.4
Strength to Weight: Bending, points 23
9.6
Thermal Diffusivity, mm2/s 3.4
44
Thermal Shock Resistance, points 19
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 24.3 to 37.1
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 2.0 to 3.0
0
Zinc (Zn), % 0
98.9 to 100