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C99700 Brass vs. S35315 Stainless Steel

C99700 brass belongs to the copper alloys classification, while S35315 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C99700 brass and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 25
46
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 46
78
Tensile Strength: Ultimate (UTS), MPa 380
740
Tensile Strength: Yield (Proof), MPa 170
300

Thermal Properties

Latent Heat of Fusion, J/g 200
330
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 900
1370
Melting Onset (Solidus), °C 880
1330
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 3.3
5.7
Embodied Energy, MJ/kg 53
81
Embodied Water, L/kg 320
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
270
Resilience: Unit (Modulus of Resilience), kJ/m3 120
230
Stiffness to Weight: Axial, points 8.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 13
26
Strength to Weight: Bending, points 14
23
Thermal Shock Resistance, points 11
17

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 54 to 65.5
0
Iron (Fe), % 0 to 1.0
33.6 to 40.6
Lead (Pb), % 0 to 2.0
0
Manganese (Mn), % 11 to 15
0 to 2.0
Nickel (Ni), % 4.0 to 6.0
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.2 to 2.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
0
Residuals, % 0 to 0.3
0