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C35000 Brass vs. S17400 Stainless Steel

C35000 brass belongs to the copper alloys classification, while S17400 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C35000 brass and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 340 to 650
910 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Maximum Temperature: Mechanical, °C 120
850
Melting Completion (Liquidus), °C 920
1440
Melting Onset (Solidus), °C 890
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
14
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
39
Embodied Water, L/kg 320
130

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 22
32 to 49
Strength to Weight: Bending, points 13 to 21
27 to 35
Thermal Diffusivity, mm2/s 37
4.5
Thermal Shock Resistance, points 11 to 22
30 to 46

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 60 to 63
3.0 to 5.0
Iron (Fe), % 0 to 0.1
70.4 to 78.9
Lead (Pb), % 0.8 to 2.0
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 34.5 to 39.2
0
Residuals, % 0 to 0.4
0