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C14200 Copper vs. AISI 304 Stainless Steel

C14200 copper belongs to the copper alloys classification, while AISI 304 stainless steel belongs to the iron alloys. There are 30 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 C14200 copper and the bottom bar is AISI 304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 45
8.0 to 43
Fatigue Strength, MPa 76 to 130
210 to 440
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Shear Strength, MPa 150 to 200
400 to 690
Tensile Strength: Ultimate (UTS), MPa 220 to 370
580 to 1180
Tensile Strength: Yield (Proof), MPa 75 to 340
230 to 860

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
710
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1030
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 190
16
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 45
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 83
86 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 500
140 to 1870
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8 to 11
21 to 42
Strength to Weight: Bending, points 9.1 to 13
20 to 32
Thermal Diffusivity, mm2/s 56
4.2
Thermal Shock Resistance, points 7.9 to 13
12 to 25

Alloy Composition

Arsenic (As), % 0.15 to 0.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 99.4 to 99.835
0
Iron (Fe), % 0
66.5 to 74
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0.015 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030