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S40975 Stainless Steel vs. C66900 Brass

S40975 stainless steel belongs to the iron alloys classification, while C66900 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S40975 stainless steel and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 22
1.1 to 26
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 81
65 to 100
Shear Modulus, GPa 75
45
Shear Strength, MPa 290
290 to 440
Tensile Strength: Ultimate (UTS), MPa 460
460 to 770
Tensile Strength: Yield (Proof), MPa 310
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Maximum Temperature: Mechanical, °C 710
150
Melting Completion (Liquidus), °C 1450
860
Melting Onset (Solidus), °C 1400
850
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
23
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
46
Embodied Water, L/kg 95
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 250
460 to 2450
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 17
15 to 26
Strength to Weight: Bending, points 17
16 to 23
Thermal Shock Resistance, points 17
14 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
62.5 to 64.5
Iron (Fe), % 84.4 to 89
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
11.5 to 12.5
Nickel (Ni), % 0.5 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.75
0
Zinc (Zn), % 0
22.5 to 26
Residuals, % 0
0 to 0.2