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S31730 Stainless Steel vs. CC765S Brass

S31730 stainless steel belongs to the iron alloys classification, while CC765S 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 CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
130
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
21
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
42
Tensile Strength: Ultimate (UTS), MPa 540
540
Tensile Strength: Yield (Proof), MPa 200
220

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 990
140
Melting Completion (Liquidus), °C 1430
860
Melting Onset (Solidus), °C 1390
820
Specific Heat Capacity, J/kg-K 470
400
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 4.6
3.0
Embodied Energy, MJ/kg 63
51
Embodied Water, L/kg 180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
90
Resilience: Unit (Modulus of Resilience), kJ/m3 99
220
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
18
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
51 to 65
Iron (Fe), % 52.4 to 61
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 2.0
0.3 to 3.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0 to 6.0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19.8 to 47.7