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C99400 Brass vs. S30815 Stainless Steel

C99400 brass belongs to the copper alloys classification, while S30815 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C99400 brass and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 460 to 550
680
Tensile Strength: Yield (Proof), MPa 230 to 370
350

Thermal Properties

Latent Heat of Fusion, J/g 230
310
Maximum Temperature: Mechanical, °C 200
1020
Melting Completion (Liquidus), °C 1070
1400
Melting Onset (Solidus), °C 1020
1360
Specific Heat Capacity, J/kg-K 400
490
Thermal Expansion, µm/m-K 17
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
17
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
310
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 17
25
Strength to Weight: Bending, points 15 to 17
22
Thermal Shock Resistance, points 16 to 19
15

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 83.5 to 96.5
0
Iron (Fe), % 1.0 to 3.0
62.8 to 68.4
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
0 to 0.8
Nickel (Ni), % 1.0 to 3.5
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 2.0
1.4 to 2.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.5 to 5.0
0
Residuals, % 0 to 0.3
0