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S31266 Stainless Steel vs. C38000 Brass

S31266 stainless steel belongs to the iron alloys classification, while C38000 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 40
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 81
39
Shear Strength, MPa 590
230
Tensile Strength: Ultimate (UTS), MPa 860
380
Tensile Strength: Yield (Proof), MPa 470
120

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
110
Melting Completion (Liquidus), °C 1470
800
Melting Onset (Solidus), °C 1420
760
Specific Heat Capacity, J/kg-K 460
380
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 6.5
2.7
Embodied Energy, MJ/kg 89
46
Embodied Water, L/kg 220
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
50
Resilience: Unit (Modulus of Resilience), kJ/m3 540
74
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 29
13
Strength to Weight: Bending, points 24
14
Thermal Diffusivity, mm2/s 3.1
37
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
55 to 60
Iron (Fe), % 34.1 to 46
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.3
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
35.9 to 43.5
Residuals, % 0
0 to 0.5