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ASTM A387 Grade 22 Steel vs. C71500 Copper-nickel

ASTM A387 grade 22 steel belongs to the iron alloys classification, while C71500 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
52
Tensile Strength: Ultimate (UTS), MPa 480 to 600
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Maximum Temperature: Mechanical, °C 460
260
Melting Completion (Liquidus), °C 1470
1240
Melting Onset (Solidus), °C 1430
1170
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 40
28
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
41
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.7
5.1
Embodied Energy, MJ/kg 23
74
Embodied Water, L/kg 58
280

Common Calculations

Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17 to 21
12 to 19
Strength to Weight: Bending, points 17 to 20
13 to 18
Thermal Diffusivity, mm2/s 11
7.7
Thermal Shock Resistance, points 14 to 17
12 to 20

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0
63.5 to 70.6
Iron (Fe), % 95.1 to 96.8
0.4 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
29 to 33
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5