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AISI 420 Stainless Steel vs. CC380H Copper-nickel

AISI 420 stainless steel belongs to the iron alloys classification, while CC380H copper-nickel 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 420 stainless steel and the bottom bar is CC380H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
80
Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 8.0 to 15
26
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
47
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
310
Tensile Strength: Yield (Proof), MPa 380 to 1310
120

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Maximum Temperature: Mechanical, °C 620
220
Melting Completion (Liquidus), °C 1510
1130
Melting Onset (Solidus), °C 1450
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 27
46
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
36
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.0
3.8
Embodied Energy, MJ/kg 28
58
Embodied Water, L/kg 100
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
65
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
59
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25 to 62
9.8
Strength to Weight: Bending, points 22 to 41
12
Thermal Diffusivity, mm2/s 7.3
13
Thermal Shock Resistance, points 25 to 62
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.15 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
84.5 to 89
Iron (Fe), % 82.3 to 87.9
1.0 to 1.8
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.0
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.5