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AISI 304 Stainless Steel vs. C70600 Copper-nickel

AISI 304 stainless steel belongs to the iron alloys classification, while C70600 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 AISI 304 stainless steel and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 8.0 to 43
3.0 to 34
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
46
Shear Strength, MPa 400 to 690
190 to 330
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
290 to 570
Tensile Strength: Yield (Proof), MPa 230 to 860
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 710
220
Melting Completion (Liquidus), °C 1450
1150
Melting Onset (Solidus), °C 1400
1100
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
44
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
33
Calomel Potential, mV -80
-280
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 43
51
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
16 to 290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21 to 42
9.1 to 18
Strength to Weight: Bending, points 20 to 32
11 to 17
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12 to 25
9.8 to 19

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
84.7 to 90
Iron (Fe), % 66.5 to 74
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 8.0 to 10.5
9.0 to 11
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5