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AISI 403 Stainless Steel vs. C72150 Copper-nickel

AISI 403 stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 30 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 403 stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
99
Elastic (Young's, Tensile) Modulus, GPa 190
150
Elongation at Break, % 16 to 25
29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
55
Shear Strength, MPa 340 to 480
320
Tensile Strength: Ultimate (UTS), MPa 530 to 780
490
Tensile Strength: Yield (Proof), MPa 280 to 570
210

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
600
Melting Completion (Liquidus), °C 1450
1210
Melting Onset (Solidus), °C 1400
1250
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 28
22
Thermal Expansion, µm/m-K 9.9
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
45
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.9
6.1
Embodied Energy, MJ/kg 27
88
Embodied Water, L/kg 99
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 19 to 28
15
Strength to Weight: Bending, points 19 to 24
15
Thermal Diffusivity, mm2/s 7.6
6.0
Thermal Shock Resistance, points 20 to 29
18

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 11.5 to 13
0
Copper (Cu), % 0
52.5 to 57
Iron (Fe), % 84.7 to 88.5
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.050
Nickel (Ni), % 0 to 0.6
43 to 46
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5