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C47940 Brass vs. S20433 Stainless Steel

C47940 brass belongs to the copper alloys classification, while S20433 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 S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
46
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 250 to 310
440
Tensile Strength: Ultimate (UTS), MPa 380 to 520
630
Tensile Strength: Yield (Proof), MPa 160 to 390
270

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Maximum Temperature: Mechanical, °C 130
900
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
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
230
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
180
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 17
23
Strength to Weight: Bending, points 14 to 17
21
Thermal Diffusivity, mm2/s 36
4.0
Thermal Shock Resistance, points 13 to 17
14

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 63 to 66
1.5 to 3.5
Iron (Fe), % 0.1 to 1.0
64.1 to 72.4
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
5.5 to 7.5
Nickel (Ni), % 0.1 to 0.5
3.5 to 5.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
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