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C87900 Brass vs. S30435 Stainless Steel

C87900 brass belongs to the copper alloys classification, while S30435 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 S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
51
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 70
77
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 480
510
Tensile Strength: Yield (Proof), MPa 240
170

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 130
900
Melting Completion (Liquidus), °C 930
1420
Melting Onset (Solidus), °C 900
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
14
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 46
40
Embodied Water, L/kg 320
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 270
77
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 37
4.2
Thermal Shock Resistance, points 16
12

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 0.080
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 63 to 69.2
1.5 to 3.0
Iron (Fe), % 0 to 0.4
66.9 to 75.5
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.5
7.0 to 9.0
Phosphorus (P), % 0 to 0.010
0 to 0.045
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
Zinc (Zn), % 30 to 36
0