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AISI 204 Stainless Steel vs. C19400 Copper

AISI 204 stainless steel belongs to the iron alloys classification, while C19400 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 204 stainless steel and the bottom bar is C19400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23 to 39
2.3 to 37
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
44
Shear Strength, MPa 500 to 700
210 to 300
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
310 to 630
Tensile Strength: Yield (Proof), MPa 380 to 1080
98 to 520

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 850
200
Melting Completion (Liquidus), °C 1410
1090
Melting Onset (Solidus), °C 1370
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
260
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
58 to 68
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
58 to 69

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
40
Embodied Water, L/kg 130
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
5.5 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
41 to 1140
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 27 to 40
9.7 to 20
Strength to Weight: Bending, points 24 to 31
11 to 18
Thermal Diffusivity, mm2/s 4.1
75
Thermal Shock Resistance, points 16 to 24
11 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
96.8 to 97.8
Iron (Fe), % 69.6 to 76.4
2.1 to 2.6
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 1.5 to 3.0
0
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0.015 to 0.15
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0.050 to 0.2
Residuals, % 0
0 to 0.2