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C47940 Brass vs. ACI-ASTM CK35MN Steel

C47940 brass belongs to the copper alloys classification, while ACI-ASTM CK35MN steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 14 to 34
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 380 to 520
650
Tensile Strength: Yield (Proof), MPa 160 to 390
310

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 850
1460
Melting Onset (Solidus), °C 800
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.9
Embodied Energy, MJ/kg 47
81
Embodied Water, L/kg 330
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
240
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 17
22
Strength to Weight: Bending, points 14 to 17
21
Thermal Diffusivity, mm2/s 36
3.3
Thermal Shock Resistance, points 13 to 17
14

Alloy Composition

Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 63 to 66
0 to 0.4
Iron (Fe), % 0.1 to 1.0
43.4 to 51.8
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 0.1 to 0.5
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0