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S31803 Stainless Steel vs. C48600 Brass

S31803 stainless steel belongs to the iron alloys classification, while C48600 brass belongs to the copper alloys. There are 29 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 S31803 stainless steel and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 29
20 to 25
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 80
39
Shear Strength, MPa 460
180 to 230
Tensile Strength: Ultimate (UTS), MPa 710
280 to 360
Tensile Strength: Yield (Proof), MPa 500
110 to 170

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 1060
120
Melting Completion (Liquidus), °C 1450
900
Melting Onset (Solidus), °C 1400
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
28

Otherwise Unclassified Properties

Base Metal Price, % relative 17
24
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
55 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 630
61 to 140
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
9.5 to 12
Strength to Weight: Bending, points 23
12 to 14
Thermal Diffusivity, mm2/s 4.3
36
Thermal Shock Resistance, points 20
9.3 to 12

Alloy Composition

Arsenic (As), % 0
0.020 to 0.25
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 21 to 23
0
Copper (Cu), % 0
59 to 62
Iron (Fe), % 63.7 to 71.9
0
Lead (Pb), % 0
1.0 to 2.5
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0.3 to 1.5
Zinc (Zn), % 0
33.4 to 39.7
Residuals, % 0
0 to 0.4