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ASTM A369 Grade FP21 vs. CC490K Brass

ASTM A369 grade FP21 belongs to the iron alloys classification, while CC490K brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP21 and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
76
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 470
230
Tensile Strength: Yield (Proof), MPa 240
110

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 470
160
Melting Completion (Liquidus), °C 1470
980
Melting Onset (Solidus), °C 1430
910
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 41
72
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
16
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
16

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.8
2.9
Embodied Energy, MJ/kg 23
47
Embodied Water, L/kg 61
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
28
Resilience: Unit (Modulus of Resilience), kJ/m3 150
54
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17
7.3
Strength to Weight: Bending, points 17
9.5
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 14
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.7 to 3.4
0
Copper (Cu), % 0
81 to 86
Iron (Fe), % 94.3 to 96.2
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.8 to 1.1
0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 0.010
Sulfur (S), % 0 to 0.025
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 0
7.0 to 9.5