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C27000 Brass vs. ASTM A369 Grade FP21

C27000 brass belongs to the copper alloys classification, while ASTM A369 grade FP21 belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is ASTM A369 grade FP21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 370 to 650
470

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 130
470
Melting Completion (Liquidus), °C 930
1470
Melting Onset (Solidus), °C 900
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
41
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.8
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 320
61

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13 to 22
17
Strength to Weight: Bending, points 14 to 21
17
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 12 to 22
14

Alloy Composition

Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
2.7 to 3.4
Copper (Cu), % 63 to 68.5
0
Iron (Fe), % 0 to 0.1
94.3 to 96.2
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.8 to 1.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0