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S31730 Stainless Steel vs. C85800 Brass

S31730 stainless steel belongs to the iron alloys classification, while C85800 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 C85800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 40
15
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 78
56
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 540
380
Tensile Strength: Yield (Proof), MPa 200
210

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 990
120
Melting Completion (Liquidus), °C 1430
900
Melting Onset (Solidus), °C 1390
870
Specific Heat Capacity, J/kg-K 470
380
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
2.8
Embodied Energy, MJ/kg 63
47
Embodied Water, L/kg 180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
48
Resilience: Unit (Modulus of Resilience), kJ/m3 99
210
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 19
13
Strength to Weight: Bending, points 18
15
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.55
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 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
57 to 69
Iron (Fe), % 52.4 to 61
0 to 0.5
Lead (Pb), % 0
0 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 0.25
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0 to 0.5
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.010
0 to 0.050
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
31 to 41
Residuals, % 0
0 to 1.3