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C69700 Brass vs. R30556 Alloy

C69700 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 C69700 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 0.32
0.28
Shear Modulus, GPa 41
81
Shear Strength, MPa 300
550
Tensile Strength: Ultimate (UTS), MPa 470
780
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 930
1420
Melting Onset (Solidus), °C 880
1330
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 43
11
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Base Metal Price, % relative 26
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 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
290
Resilience: Unit (Modulus of Resilience), kJ/m3 250
290
Stiffness to Weight: Axial, points 7.3
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 13
2.9
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0
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), % 75 to 80
0
Iron (Fe), % 0 to 0.2
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
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), % 2.5 to 3.5
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), % 13.9 to 22
0.0010 to 0.1
Residuals, % 0 to 0.5
0