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CR004A Copper vs. ASTM A387 Grade 22L Class 1

CR004A copper belongs to the copper alloys classification, while ASTM A387 grade 22L class 1 belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR004A copper and the bottom bar is ASTM A387 grade 22L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
20
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
74
Tensile Strength: Ultimate (UTS), MPa 220
500
Tensile Strength: Yield (Proof), MPa 130
230

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
460
Melting Completion (Liquidus), °C 1090
1470
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.8
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 41
23
Embodied Water, L/kg 320
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
83
Resilience: Unit (Modulus of Resilience), kJ/m3 76
140
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
18
Strength to Weight: Bending, points 9.0
18
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 7.8
14

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
95.2 to 96.8
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.025