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C38000 Brass vs. S20161 Stainless Steel

C38000 brass belongs to the copper alloys classification, while S20161 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 17
46
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 230
690
Tensile Strength: Ultimate (UTS), MPa 380
980
Tensile Strength: Yield (Proof), MPa 120
390

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 110
870
Melting Completion (Liquidus), °C 800
1380
Melting Onset (Solidus), °C 760
1330
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
12
Density, g/cm3 8.0
7.5
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
39
Embodied Water, L/kg 330
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
360
Resilience: Unit (Modulus of Resilience), kJ/m3 74
390
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 13
36
Strength to Weight: Bending, points 14
29
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 13
22

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
15 to 18
Copper (Cu), % 55 to 60
0
Iron (Fe), % 0 to 0.35
65.6 to 73.9
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
4.0 to 6.0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
3.0 to 4.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0 to 0.5
0