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C87900 Brass vs. S31277 Stainless Steel

C87900 brass belongs to the copper alloys classification, while S31277 stainless steel belongs to the iron alloys. There are 24 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 C87900 brass and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 25
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 480
860
Tensile Strength: Yield (Proof), MPa 240
410

Thermal Properties

Latent Heat of Fusion, J/g 190
310
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
460
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.7
6.7
Embodied Energy, MJ/kg 46
90
Embodied Water, L/kg 320
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
320
Resilience: Unit (Modulus of Resilience), kJ/m3 270
410
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 17
25
Thermal Shock Resistance, points 16
19

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 0.020
Chromium (Cr), % 0
20.5 to 23
Copper (Cu), % 63 to 69.2
0.5 to 1.5
Iron (Fe), % 0 to 0.4
35.5 to 46.2
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0 to 0.5
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.010
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0