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C35000 Brass vs. S40910 Stainless Steel

C35000 brass belongs to the copper alloys classification, while S40910 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C35000 brass and the bottom bar is S40910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 53 to 91
76
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 340 to 650
430

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Maximum Temperature: Mechanical, °C 120
710
Melting Completion (Liquidus), °C 920
1450
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
26
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 29
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
7.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 45
28
Embodied Water, L/kg 320
94

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
16
Strength to Weight: Bending, points 13 to 21
16
Thermal Diffusivity, mm2/s 37
6.9
Thermal Shock Resistance, points 11 to 22
16

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 60 to 63
0
Iron (Fe), % 0 to 0.1
85 to 89.5
Lead (Pb), % 0.8 to 2.0
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.17
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
Zinc (Zn), % 34.5 to 39.2
0
Residuals, % 0 to 0.4
0