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ASTM A369 Grade FP21 vs. C65400 Bronze

ASTM A369 grade FP21 belongs to the iron alloys classification, while C65400 bronze belongs to the copper alloys. There are 29 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 ASTM A369 grade FP21 and the bottom bar is C65400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
2.6 to 47
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
43
Shear Strength, MPa 300
350 to 530
Tensile Strength: Ultimate (UTS), MPa 470
500 to 1060
Tensile Strength: Yield (Proof), MPa 240
170 to 910

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 470
200
Melting Completion (Liquidus), °C 1470
1020
Melting Onset (Solidus), °C 1430
960
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 41
36
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
31
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 23
45
Embodied Water, L/kg 61
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
10 to 480
Resilience: Unit (Modulus of Resilience), kJ/m3 150
130 to 3640
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17
16 to 34
Strength to Weight: Bending, points 17
16 to 27
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 14
18 to 39

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.7 to 3.4
0.010 to 0.12
Copper (Cu), % 0
93.8 to 96.1
Iron (Fe), % 94.3 to 96.2
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.8 to 1.1
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
2.7 to 3.4
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
1.2 to 1.9
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2