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EN 1.4369 Stainless Steel vs. C70700 Copper-nickel

EN 1.4369 stainless steel belongs to the iron alloys classification, while C70700 copper-nickel belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4369 stainless steel and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
73
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
39
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
46
Shear Strength, MPa 580
220
Tensile Strength: Ultimate (UTS), MPa 850
320
Tensile Strength: Yield (Proof), MPa 390
110

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 940
220
Melting Completion (Liquidus), °C 1400
1120
Melting Onset (Solidus), °C 1360
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
59
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
34
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 43
52
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
100
Resilience: Unit (Modulus of Resilience), kJ/m3 380
51
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 31
10
Strength to Weight: Bending, points 26
12
Thermal Diffusivity, mm2/s 4.0
17
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0.070 to 0.15
0
Chromium (Cr), % 17.5 to 19.5
0
Copper (Cu), % 0
88.5 to 90.5
Iron (Fe), % 63 to 70.2
0 to 0.050
Manganese (Mn), % 5.0 to 7.5
0 to 0.5
Nickel (Ni), % 6.5 to 8.5
9.5 to 10.5
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.5 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.5