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C87900 Brass vs. R30556 Alloy

C87900 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 (5, in this case) are not shown.

For each property being compared, the top bar is C87900 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, % 25
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
81
Tensile Strength: Ultimate (UTS), MPa 480
780
Tensile Strength: Yield (Proof), MPa 240
350

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 930
1420
Melting Onset (Solidus), °C 900
1330
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 120
11
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 17
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
70
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 2.7
8.7
Embodied Energy, MJ/kg 46
130
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
290
Resilience: Unit (Modulus of Resilience), kJ/m3 270
290
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 37
2.9
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0 to 0.15
0.1 to 0.5
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
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), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.5
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0.2 to 0.8
Sulfur (S), % 0 to 0.050
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 0 to 0.25
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 30 to 36
0.0010 to 0.1