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ASTM A369 Grade FP91 vs. C69300 Brass

ASTM A369 grade FP91 belongs to the iron alloys classification, while C69300 brass belongs to the copper alloys. There are 29 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 FP91 and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 19
8.5 to 15
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
41
Shear Strength, MPa 410
330 to 370
Tensile Strength: Ultimate (UTS), MPa 670
550 to 630
Tensile Strength: Yield (Proof), MPa 460
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 600
160
Melting Completion (Liquidus), °C 1460
880
Melting Onset (Solidus), °C 1420
860
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 26
38
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
26
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 37
45
Embodied Water, L/kg 88
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 560
400 to 700
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
19 to 21
Strength to Weight: Bending, points 22
18 to 20
Thermal Diffusivity, mm2/s 6.9
12
Thermal Shock Resistance, points 18
19 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0
73 to 77
Iron (Fe), % 87.3 to 90.3
0 to 0.1
Lead (Pb), % 0
0 to 0.090
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
0 to 0.1
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0.040 to 0.15
Silicon (Si), % 0.2 to 0.5
2.7 to 3.4
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
18.4 to 24.3
Zirconium (Zr), % 0 to 0.010
0
Residuals, % 0
0 to 0.5