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S31655 Stainless Steel vs. C35000 Brass

S31655 stainless steel belongs to the iron alloys classification, while C35000 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is C35000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 88
53 to 91
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 710
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 1010
120
Melting Completion (Liquidus), °C 1430
920
Melting Onset (Solidus), °C 1380
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
29

Otherwise Unclassified Properties

Base Metal Price, % relative 17
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 160
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
12 to 22
Strength to Weight: Bending, points 23
13 to 21
Thermal Diffusivity, mm2/s 4.0
37
Thermal Shock Resistance, points 16
11 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
60 to 63
Iron (Fe), % 63.2 to 71.9
0 to 0.1
Lead (Pb), % 0
0.8 to 2.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
34.5 to 39.2
Residuals, % 0
0 to 0.4