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C38000 Brass vs. ASTM A369 Grade FP9

C38000 brass belongs to the copper alloys classification, while ASTM A369 grade FP9 belongs to the iron alloys. There are 27 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 C38000 brass and the bottom bar is ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 17
20
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 39
75
Shear Strength, MPa 230
300
Tensile Strength: Ultimate (UTS), MPa 380
470
Tensile Strength: Yield (Proof), MPa 120
240

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Maximum Temperature: Mechanical, °C 110
600
Melting Completion (Liquidus), °C 800
1450
Melting Onset (Solidus), °C 760
1410
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
26
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
6.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 46
28
Embodied Water, L/kg 330
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
80
Resilience: Unit (Modulus of Resilience), kJ/m3 74
140
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13
17
Strength to Weight: Bending, points 14
17
Thermal Diffusivity, mm2/s 37
6.9
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
8.0 to 10
Copper (Cu), % 55 to 60
0
Iron (Fe), % 0 to 0.35
87.1 to 90.3
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.5 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0 to 0.5
0