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AISI 309Cb Stainless Steel vs. C70600 Copper-nickel

AISI 309Cb stainless steel belongs to the iron alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 29 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 AISI 309Cb 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, % 39
3.0 to 34
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
46
Shear Strength, MPa 390
190 to 330
Tensile Strength: Ultimate (UTS), MPa 580
290 to 570
Tensile Strength: Yield (Proof), MPa 230
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1090
220
Melting Completion (Liquidus), °C 1420
1150
Melting Onset (Solidus), °C 1380
1100
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.1
3.4
Embodied Energy, MJ/kg 59
51
Embodied Water, L/kg 170
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 140
16 to 290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 20
9.1 to 18
Strength to Weight: Bending, points 20
11 to 17
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 13
9.8 to 19

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
84.7 to 90
Iron (Fe), % 56 to 66
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 12 to 16
9.0 to 11
Niobium (Nb), % 0 to 1.1
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