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AISI 420 Stainless Steel vs. C14180 Copper

AISI 420 stainless steel belongs to the iron alloys classification, while C14180 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is C14180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 8.0 to 15
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
210
Tensile Strength: Yield (Proof), MPa 380 to 1310
130

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 620
200
Melting Completion (Liquidus), °C 1510
1080
Melting Onset (Solidus), °C 1450
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 27
370
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.0
2.6
Embodied Energy, MJ/kg 28
41
Embodied Water, L/kg 100
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
28
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
69
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25 to 62
6.5
Strength to Weight: Bending, points 22 to 41
8.8
Thermal Diffusivity, mm2/s 7.3
110
Thermal Shock Resistance, points 25 to 62
7.4

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
99.9 to 100
Iron (Fe), % 82.3 to 87.9
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.075
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0