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C84500 Brass vs. S31730 Stainless Steel

C84500 brass belongs to the copper alloys classification, while S31730 stainless steel belongs to the iron 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 C84500 brass and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
180
Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 28
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 39
77
Tensile Strength: Ultimate (UTS), MPa 240
540
Tensile Strength: Yield (Proof), MPa 97
200

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 150
990
Melting Completion (Liquidus), °C 980
1430
Melting Onset (Solidus), °C 840
1390
Specific Heat Capacity, J/kg-K 360
470
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 2.9
4.6
Embodied Energy, MJ/kg 47
63
Embodied Water, L/kg 340
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
170
Resilience: Unit (Modulus of Resilience), kJ/m3 45
99
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.7
19
Strength to Weight: Bending, points 9.8
18
Thermal Shock Resistance, points 8.6
12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 77 to 79
4.0 to 5.0
Iron (Fe), % 0 to 0.4
52.4 to 61
Lead (Pb), % 6.0 to 7.5
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 1.0
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.080
0 to 0.010
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 10 to 14
0
Residuals, % 0 to 0.7
0