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ASTM A369 Grade FP91 vs. C94900 Bronze

ASTM A369 grade FP91 belongs to the iron alloys classification, while C94900 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP91 and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 19
17
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
41
Tensile Strength: Ultimate (UTS), MPa 670
300
Tensile Strength: Yield (Proof), MPa 460
130

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Maximum Temperature: Mechanical, °C 600
170
Melting Completion (Liquidus), °C 1460
980
Melting Onset (Solidus), °C 1420
910
Specific Heat Capacity, J/kg-K 470
370
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
14
Electrical Conductivity: Equal Weight (Specific), % IACS 10
14

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
32
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 37
55
Embodied Water, L/kg 88
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
41
Resilience: Unit (Modulus of Resilience), kJ/m3 560
72
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24
9.4
Strength to Weight: Bending, points 22
11
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.080 to 0.12
0
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0
79 to 81
Iron (Fe), % 87.3 to 90.3
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Manganese (Mn), % 0.3 to 0.6
0 to 0.1
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
4.0 to 6.0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0.2 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.025
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
4.0 to 6.0
Zirconium (Zr), % 0 to 0.010
0
Residuals, % 0
0 to 0.8