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ASTM A369 Grade FP21 vs. C55284 Copper

ASTM A369 grade FP21 belongs to the iron alloys classification, while C55284 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP21 and the bottom bar is C55284 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
38
Tensile Strength: Ultimate (UTS), MPa 470
180

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Maximum Temperature: Mechanical, °C 470
200
Melting Completion (Liquidus), °C 1470
800
Melting Onset (Solidus), °C 1430
640
Specific Heat Capacity, J/kg-K 470
380
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.8
16
Embodied Energy, MJ/kg 23
260

Common Calculations

Stiffness to Weight: Axial, points 13
6.5
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17
5.6
Strength to Weight: Bending, points 17
8.0
Thermal Shock Resistance, points 14
7.4

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.7 to 3.4
0
Copper (Cu), % 0
79.2 to 80.7
Iron (Fe), % 94.3 to 96.2
0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.8 to 1.1
0
Phosphorus (P), % 0 to 0.025
4.8 to 5.2
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
14.5 to 15.5
Sulfur (S), % 0 to 0.025
0
Residuals, % 0
0 to 0.15