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EN 1.4971 Stainless Steel vs. C70260 Copper

EN 1.4971 stainless steel belongs to the iron alloys classification, while C70260 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 34
9.5 to 19
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
44
Shear Strength, MPa 530
320 to 450
Tensile Strength: Ultimate (UTS), MPa 800
520 to 760
Tensile Strength: Yield (Proof), MPa 340
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
160
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
31
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 7.6
2.7
Embodied Energy, MJ/kg 110
43
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 280
710 to 1810
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26
16 to 24
Strength to Weight: Bending, points 23
16 to 21
Thermal Diffusivity, mm2/s 3.4
45
Thermal Shock Resistance, points 19
18 to 27

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
95.8 to 98.8
Iron (Fe), % 24.3 to 37.1
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
1.0 to 3.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0.2 to 0.7
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.5