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EN 1.4971 Stainless Steel vs. C19400 Copper

EN 1.4971 stainless steel belongs to the iron alloys classification, while C19400 copper belongs to the copper alloys. There are 27 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 C19400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 34
2.3 to 37
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
44
Shear Strength, MPa 530
210 to 300
Tensile Strength: Ultimate (UTS), MPa 800
310 to 630
Tensile Strength: Yield (Proof), MPa 340
98 to 520

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1410
1080
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
260
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
30
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 7.6
2.6
Embodied Energy, MJ/kg 110
40
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
5.5 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 280
41 to 1140
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26
9.7 to 20
Strength to Weight: Bending, points 23
11 to 18
Thermal Diffusivity, mm2/s 3.4
75
Thermal Shock Resistance, points 19
11 to 22

Alloy Composition

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
96.8 to 97.8
Iron (Fe), % 24.3 to 37.1
2.1 to 2.6
Lead (Pb), % 0
0 to 0.030
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
0.015 to 0.15
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.0 to 3.0
0
Zinc (Zn), % 0
0.050 to 0.2
Residuals, % 0
0 to 0.2