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S31730 Stainless Steel vs. C46500 Brass

S31730 stainless steel belongs to the iron alloys classification, while C46500 brass belongs to the copper alloys. There are 26 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 C46500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 40
18 to 50
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 78
55 to 95
Shear Modulus, GPa 77
40
Shear Strength, MPa 370
280 to 380
Tensile Strength: Ultimate (UTS), MPa 540
380 to 610
Tensile Strength: Yield (Proof), MPa 200
190 to 490

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
890
Specific Heat Capacity, J/kg-K 470
380
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 4.6
2.7
Embodied Energy, MJ/kg 63
47
Embodied Water, L/kg 180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
99 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 99
170 to 1170
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 19
13 to 21
Strength to Weight: Bending, points 18
15 to 20
Thermal Shock Resistance, points 12
13 to 20

Alloy Composition

Arsenic (As), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
59 to 62
Iron (Fe), % 52.4 to 61
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 0
36.2 to 40.5
Residuals, % 0
0 to 0.4