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C47940 Brass vs. S33550 Stainless Steel

C47940 brass belongs to the copper alloys classification, while S33550 stainless steel belongs to the iron alloys. There are 27 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 S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
40
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
79
Shear Strength, MPa 250 to 310
470
Tensile Strength: Ultimate (UTS), MPa 380 to 520
680
Tensile Strength: Yield (Proof), MPa 160 to 390
310

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 850
1400
Melting Onset (Solidus), °C 800
1360
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
4.3
Embodied Energy, MJ/kg 47
61
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
250
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 17
24
Strength to Weight: Bending, points 14 to 17
22
Thermal Diffusivity, mm2/s 36
3.9
Thermal Shock Resistance, points 13 to 17
15

Alloy Composition

Carbon (C), % 0
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 0
25 to 28
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0.1 to 0.5
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0