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EN 1.4378 Stainless Steel vs. CR023A Copper

EN 1.4378 stainless steel belongs to the iron alloys classification, while CR023A copper belongs to the copper alloys. There are 24 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 EN 1.4378 stainless steel and the bottom bar is CR023A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 14 to 34
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
220
Tensile Strength: Yield (Proof), MPa 430 to 970
130

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 910
200
Melting Completion (Liquidus), °C 1390
1090
Melting Onset (Solidus), °C 1350
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 7.6
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 39
41
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
29
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28 to 41
6.8
Strength to Weight: Bending, points 24 to 31
9.0
Thermal Shock Resistance, points 16 to 23
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
99.9 to 99.995
Iron (Fe), % 61.2 to 69
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 11.5 to 14.5
0
Nickel (Ni), % 2.3 to 3.7
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0.0050 to 0.013
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0