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S40975 Stainless Steel vs. C68000 Brass

S40975 stainless steel belongs to the iron alloys classification, while C68000 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 S40975 stainless steel and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 22
27
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
40
Tensile Strength: Ultimate (UTS), MPa 460
390
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 270
170
Maximum Temperature: Mechanical, °C 710
120
Melting Completion (Liquidus), °C 1450
880
Melting Onset (Solidus), °C 1400
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 26
96
Thermal Expansion, µm/m-K 10
21

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
48
Embodied Water, L/kg 95
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
82
Resilience: Unit (Modulus of Resilience), kJ/m3 250
95
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 17
14
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 7.0
31
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
56 to 60
Iron (Fe), % 84.4 to 89
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0.010 to 0.5
Nickel (Ni), % 0.5 to 1.0
0.2 to 0.8
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.040 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.75 to 1.1
Titanium (Ti), % 0 to 0.75
0
Zinc (Zn), % 0
35.6 to 42.8
Residuals, % 0
0 to 0.5