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C38000 Brass vs. R30556 Alloy

C38000 brass belongs to the copper alloys classification, while R30556 alloy belongs to the iron alloys. There are 27 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 C38000 brass and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 17
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 39
81
Shear Strength, MPa 230
550
Tensile Strength: Ultimate (UTS), MPa 380
780
Tensile Strength: Yield (Proof), MPa 120
350

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 110
1100
Melting Completion (Liquidus), °C 800
1420
Melting Onset (Solidus), °C 760
1330
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 110
11
Thermal Expansion, µm/m-K 21
15

Otherwise Unclassified Properties

Base Metal Price, % relative 22
70
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.7
8.7
Embodied Energy, MJ/kg 46
130
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
290
Resilience: Unit (Modulus of Resilience), kJ/m3 74
290
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13
26
Strength to Weight: Bending, points 14
22
Thermal Diffusivity, mm2/s 37
2.9
Thermal Shock Resistance, points 13
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), % 55 to 60
0
Iron (Fe), % 0 to 0.35
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 1.5 to 2.5
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), % 0
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 0 to 0.3
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 35.9 to 43.5
0.0010 to 0.1
Residuals, % 0 to 0.5
0