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S40975 Stainless Steel vs. C68300 Brass

S40975 stainless steel belongs to the iron alloys classification, while C68300 brass belongs to the copper alloys. There are 28 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 S40975 stainless steel and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 22
15
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 81
60
Shear Modulus, GPa 75
40
Shear Strength, MPa 290
260
Tensile Strength: Ultimate (UTS), MPa 460
430
Tensile Strength: Yield (Proof), MPa 310
260

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Maximum Temperature: Mechanical, °C 710
120
Melting Completion (Liquidus), °C 1450
900
Melting Onset (Solidus), °C 1400
890
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 26
120
Thermal Expansion, µm/m-K 10
20

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
46
Embodied Water, L/kg 95
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
56
Resilience: Unit (Modulus of Resilience), kJ/m3 250
330
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 7.0
38
Thermal Shock Resistance, points 17
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
59 to 63
Iron (Fe), % 84.4 to 89
0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.0
0
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
0.3 to 1.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.050 to 0.2
Titanium (Ti), % 0 to 0.75
0
Zinc (Zn), % 0
34.2 to 40.4
Residuals, % 0
0 to 0.5