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C87900 Brass vs. S30415 Stainless Steel

C87900 brass belongs to the copper alloys classification, while S30415 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 S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
45
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 70
84
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 480
670
Tensile Strength: Yield (Proof), MPa 240
330

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 130
940
Melting Completion (Liquidus), °C 930
1410
Melting Onset (Solidus), °C 900
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 320
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
250
Resilience: Unit (Modulus of Resilience), kJ/m3 270
280
Stiffness to Weight: Axial, points 7.3
14
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
5.6
Thermal Shock Resistance, points 16
15

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
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
18 to 19
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
67.8 to 71.8
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 0.8
Nickel (Ni), % 0 to 0.5
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0.8 to 1.2
1.0 to 2.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0