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S31655 Stainless Steel vs. C49300 Brass

S31655 stainless steel belongs to the iron alloys classification, while C49300 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is C49300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 39
4.5 to 20
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
40
Shear Strength, MPa 490
270 to 290
Tensile Strength: Ultimate (UTS), MPa 710
430 to 520
Tensile Strength: Yield (Proof), MPa 350
210 to 410

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 1010
120
Melting Completion (Liquidus), °C 1430
880
Melting Onset (Solidus), °C 1380
840
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
88
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
26
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 46
50
Embodied Water, L/kg 160
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
21 to 71
Resilience: Unit (Modulus of Resilience), kJ/m3 310
220 to 800
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
15 to 18
Strength to Weight: Bending, points 23
16 to 18
Thermal Diffusivity, mm2/s 4.0
29
Thermal Shock Resistance, points 16
14 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
58 to 62
Iron (Fe), % 63.2 to 71.9
0 to 0.1
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 2.0
0 to 0.030
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0 to 1.5
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.2
Selenium (Se), % 0
0 to 0.2
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
1.0 to 1.8
Zinc (Zn), % 0
30.6 to 40.5
Residuals, % 0
0 to 0.5