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C38000 Brass vs. ASTM A369 Grade FP12

C38000 brass belongs to the copper alloys classification, while ASTM A369 grade FP12 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 FP12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 17
20
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 230
300
Tensile Strength: Ultimate (UTS), MPa 380
470
Tensile Strength: Yield (Proof), MPa 120
250

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 110
430
Melting Completion (Liquidus), °C 800
1470
Melting Onset (Solidus), °C 760
1430
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
45
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.6
Embodied Energy, MJ/kg 46
21
Embodied Water, L/kg 330
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
81
Resilience: Unit (Modulus of Resilience), kJ/m3 74
160
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13
17
Strength to Weight: Bending, points 14
17
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
0.8 to 1.3
Copper (Cu), % 55 to 60
0
Iron (Fe), % 0 to 0.35
96.8 to 98.4
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0 to 0.5
0