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S40975 Stainless Steel vs. C47940 Brass

S40975 stainless steel belongs to the iron alloys classification, while C47940 brass belongs to the copper alloys. There are 27 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 C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 22
14 to 34
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 75
40
Shear Strength, MPa 290
250 to 310
Tensile Strength: Ultimate (UTS), MPa 460
380 to 520
Tensile Strength: Yield (Proof), MPa 310
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 270
170
Maximum Temperature: Mechanical, °C 710
130
Melting Completion (Liquidus), °C 1450
850
Melting Onset (Solidus), °C 1400
800
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 10
20

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
47
Embodied Water, L/kg 95
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
120 to 740
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
13 to 17
Strength to Weight: Bending, points 17
14 to 17
Thermal Diffusivity, mm2/s 7.0
36
Thermal Shock Resistance, points 17
13 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
63 to 66
Iron (Fe), % 84.4 to 89
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0.5 to 1.0
0.1 to 0.5
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
Tin (Sn), % 0
1.2 to 2.0
Titanium (Ti), % 0 to 0.75
0
Zinc (Zn), % 0
28.1 to 34.6
Residuals, % 0
0 to 0.4