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S31730 Stainless Steel vs. CC761S Brass

S31730 stainless steel belongs to the iron alloys classification, while CC761S brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
8.7
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
42
Tensile Strength: Ultimate (UTS), MPa 540
540
Tensile Strength: Yield (Proof), MPa 200
340

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 990
170
Melting Completion (Liquidus), °C 1430
960
Melting Onset (Solidus), °C 1390
910
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 4.6
2.7
Embodied Energy, MJ/kg 63
45
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
41
Resilience: Unit (Modulus of Resilience), kJ/m3 99
530
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 18
18
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
78 to 83
Iron (Fe), % 52.4 to 61
0 to 0.6
Lead (Pb), % 0
0 to 0.8
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0 to 1.0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
3.0 to 5.0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
8.9 to 19