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S20910 Stainless Steel vs. C68800 Brass

S20910 stainless steel belongs to the iron alloys classification, while C68800 brass belongs to the copper alloys. There are 27 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 C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 14 to 39
2.0 to 36
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
41
Shear Strength, MPa 500 to 570
380 to 510
Tensile Strength: Ultimate (UTS), MPa 780 to 940
570 to 890
Tensile Strength: Yield (Proof), MPa 430 to 810
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1080
160
Melting Completion (Liquidus), °C 1420
960
Melting Onset (Solidus), °C 1380
950
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Base Metal Price, % relative 22
26
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 68
48
Embodied Water, L/kg 180
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
710 to 2860
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 33
19 to 30
Strength to Weight: Bending, points 24 to 27
19 to 25
Thermal Diffusivity, mm2/s 3.6
12
Thermal Shock Resistance, points 17 to 21
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
70.8 to 75.5
Iron (Fe), % 52.1 to 62.1
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
21.3 to 24.1
Residuals, % 0
0 to 0.5