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C87900 Brass vs. S44660 Stainless Steel

C87900 brass belongs to the copper alloys classification, while S44660 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 25
20
Poisson's Ratio 0.31
0.27
Rockwell B Hardness 70
88
Shear Modulus, GPa 41
81
Tensile Strength: Ultimate (UTS), MPa 480
660
Tensile Strength: Yield (Proof), MPa 240
510

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 900
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
21
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
4.3
Embodied Energy, MJ/kg 46
61
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 270
640
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 37
4.5
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
25 to 28
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
60.4 to 71
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
1.0 to 3.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0.2 to 1.0
Zinc (Zn), % 30 to 36
0