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C23400 Brass vs. ASTM A369 Grade FP21

C23400 brass belongs to the copper alloys classification, while ASTM A369 grade FP21 belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C23400 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 0.32
0.29
Shear Modulus, GPa 42
74
Tensile Strength: Ultimate (UTS), MPa 370 to 640
470

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 160
470
Melting Completion (Liquidus), °C 970
1470
Melting Onset (Solidus), °C 930
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
41
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Base Metal Price, % relative 27
4.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.8
Embodied Energy, MJ/kg 43
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 12 to 21
17
Strength to Weight: Bending, points 13 to 19
17
Thermal Diffusivity, mm2/s 36
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), % 81 to 84
0
Iron (Fe), % 0 to 0.050
94.3 to 96.2
Lead (Pb), % 0 to 0.050
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), % 15.7 to 19
0
Residuals, % 0 to 0.2
0