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ASTM A369 Grade FP21 vs. C83800 Bronze

ASTM A369 grade FP21 belongs to the iron alloys classification, while C83800 bronze belongs to the copper 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 ASTM A369 grade FP21 and the bottom bar is C83800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 20
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
39
Tensile Strength: Ultimate (UTS), MPa 470
230
Tensile Strength: Yield (Proof), MPa 240
110

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Maximum Temperature: Mechanical, °C 470
160
Melting Completion (Liquidus), °C 1470
1000
Melting Onset (Solidus), °C 1430
840
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 41
72
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
15

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.8
2.9
Embodied Energy, MJ/kg 23
47
Embodied Water, L/kg 61
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
39
Resilience: Unit (Modulus of Resilience), kJ/m3 150
53
Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17
7.4
Strength to Weight: Bending, points 17
9.6
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 14
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.7 to 3.4
0
Copper (Cu), % 0
82 to 83.8
Iron (Fe), % 94.3 to 96.2
0 to 0.3
Lead (Pb), % 0
5.0 to 7.0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.8 to 1.1
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 1.5
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.025
0 to 0.080
Tin (Sn), % 0
3.3 to 4.2
Zinc (Zn), % 0
5.0 to 8.0
Residuals, % 0
0 to 0.7