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C87500 Brass vs. R30556 Alloy

C87500 brass belongs to the copper alloys classification, while R30556 alloy belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 18
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
81
Tensile Strength: Ultimate (UTS), MPa 460
780
Tensile Strength: Yield (Proof), MPa 190
350

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1420
Melting Onset (Solidus), °C 820
1330
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 28
11
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 27
70
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 2.7
8.7
Embodied Energy, MJ/kg 44
130
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
290
Resilience: Unit (Modulus of Resilience), kJ/m3 160
290
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 16
26
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 8.3
2.9
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0 to 0.5
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 79 to 85
0
Iron (Fe), % 0
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.0 to 5.0
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 12 to 16
0.0010 to 0.1
Residuals, % 0 to 0.5
0