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C33500 Brass vs. S31100 Stainless Steel

C33500 brass belongs to the copper alloys classification, while S31100 stainless steel belongs to the iron alloys. There are 29 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 C33500 brass and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 3.0 to 28
4.5
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
79
Shear Strength, MPa 220 to 360
580
Tensile Strength: Ultimate (UTS), MPa 340 to 650
1000
Tensile Strength: Yield (Proof), MPa 120 to 420
710

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 930
1420
Melting Onset (Solidus), °C 900
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
16
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 160
40
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 860
1240
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 22
36
Strength to Weight: Bending, points 13 to 21
29
Thermal Diffusivity, mm2/s 37
4.2
Thermal Shock Resistance, points 11 to 22
28

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
25 to 27
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.1
63.6 to 69
Lead (Pb), % 0.25 to 0.7
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
6.0 to 7.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 33.8 to 37.8
0
Residuals, % 0 to 0.4
0