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CR012A Copper vs. EN 1.4736 Stainless Steel

CR012A copper belongs to the copper alloys classification, while EN 1.4736 stainless steel belongs to the iron alloys. There are 28 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 CR012A copper and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
28
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 220
580
Tensile Strength: Yield (Proof), MPa 130
310

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
1000
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 390
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.0
Density, g/cm3 9.0
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 42
35
Embodied Water, L/kg 360
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
140
Resilience: Unit (Modulus of Resilience), kJ/m3 76
250
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
21
Strength to Weight: Bending, points 9.0
20
Thermal Diffusivity, mm2/s 110
5.6
Thermal Shock Resistance, points 7.8
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
77 to 81.1
Manganese (Mn), % 0
0 to 1.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8