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C81400 Copper vs. AISI 403 Stainless Steel

C81400 copper belongs to the copper alloys classification, while AISI 403 stainless steel belongs to the iron alloys. There are 29 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 C81400 copper and the bottom bar is AISI 403 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
16 to 25
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 69
83
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 370
530 to 780
Tensile Strength: Yield (Proof), MPa 250
280 to 570

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
740
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1070
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
28
Thermal Expansion, µm/m-K 17
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 61
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
6.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 45
27
Embodied Water, L/kg 310
99

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210 to 840
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
19 to 28
Strength to Weight: Bending, points 13
19 to 24
Thermal Diffusivity, mm2/s 75
7.6
Thermal Shock Resistance, points 13
20 to 29

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0.6 to 1.0
11.5 to 13
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
84.7 to 88.5
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0