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C87400 Brass vs. S20910 Stainless Steel

C87400 brass belongs to the copper alloys classification, while S20910 stainless steel belongs to the iron alloys. There are 26 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 C87400 brass and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 21
14 to 39
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 390
780 to 940
Tensile Strength: Yield (Proof), MPa 160
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 170
1080
Melting Completion (Liquidus), °C 920
1420
Melting Onset (Solidus), °C 820
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 28
13
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 27
22
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.8
Embodied Energy, MJ/kg 44
68
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 120
460 to 1640
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13
28 to 33
Strength to Weight: Bending, points 14
24 to 27
Thermal Diffusivity, mm2/s 8.3
3.6
Thermal Shock Resistance, points 14
17 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Copper (Cu), % 79 to 85.5
0
Iron (Fe), % 0
52.1 to 62.1
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 4.0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.8
0