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C31400 Bronze vs. ASTM A369 Grade FP91

C31400 bronze belongs to the copper alloys classification, while ASTM A369 grade FP91 belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is ASTM A369 grade FP91.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 6.8 to 29
19
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
75
Shear Strength, MPa 180 to 240
410
Tensile Strength: Ultimate (UTS), MPa 270 to 420
670
Tensile Strength: Yield (Proof), MPa 78 to 310
460

Thermal Properties

Latent Heat of Fusion, J/g 200
270
Maximum Temperature: Mechanical, °C 180
600
Melting Completion (Liquidus), °C 1040
1460
Melting Onset (Solidus), °C 1010
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 180
26
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 43
10

Otherwise Unclassified Properties

Base Metal Price, % relative 29
7.0
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 42
37
Embodied Water, L/kg 310
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
110
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
560
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.7 to 13
24
Strength to Weight: Bending, points 11 to 14
22
Thermal Diffusivity, mm2/s 54
6.9
Thermal Shock Resistance, points 9.6 to 15
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
87.3 to 90.3
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 0.7
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.2 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 5.8 to 11.2
0
Zirconium (Zr), % 0
0 to 0.010
Residuals, % 0 to 0.4
0