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S31727 Stainless Steel vs. CC490K Brass

S31727 stainless steel belongs to the iron alloys classification, while CC490K 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 S31727 stainless steel and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
76
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 630
230
Tensile Strength: Yield (Proof), MPa 270
110

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 1010
160
Melting Completion (Liquidus), °C 1440
980
Melting Onset (Solidus), °C 1390
910
Specific Heat Capacity, J/kg-K 470
370
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 4.7
2.9
Embodied Energy, MJ/kg 64
47
Embodied Water, L/kg 180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
28
Resilience: Unit (Modulus of Resilience), kJ/m3 190
54
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22
7.3
Strength to Weight: Bending, points 20
9.5
Thermal Shock Resistance, points 14
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
81 to 86
Iron (Fe), % 53.7 to 61.3
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0 to 2.0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 0
7.0 to 9.5