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S20910 Stainless Steel vs. C87800 Brass

S20910 stainless steel belongs to the iron alloys classification, while C87800 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 14 to 39
25
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
42
Tensile Strength: Ultimate (UTS), MPa 780 to 940
590
Tensile Strength: Yield (Proof), MPa 430 to 810
350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1080
170
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 13
28
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.8
2.7
Embodied Energy, MJ/kg 68
44
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
130
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
540
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 33
20
Strength to Weight: Bending, points 24 to 27
19
Thermal Diffusivity, mm2/s 3.6
8.3
Thermal Shock Resistance, points 17 to 21
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Copper (Cu), % 0
80 to 84.2
Iron (Fe), % 52.1 to 62.1
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 4.0 to 6.0
0 to 0.15
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0 to 0.2
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 0.75
3.8 to 4.2
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5