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C27000 Brass vs. S44625 Stainless Steel

C27000 brass belongs to the copper alloys classification, while S44625 stainless steel belongs to the iron alloys. There are 24 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 C27000 brass and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 370 to 650
590

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 930
1440
Melting Onset (Solidus), °C 900
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
14
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
39
Embodied Water, L/kg 320
160

Common Calculations

Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 22
21
Strength to Weight: Bending, points 14 to 21
20
Thermal Diffusivity, mm2/s 37
4.6
Thermal Shock Resistance, points 12 to 22
19

Alloy Composition

Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
25 to 27.5
Copper (Cu), % 63 to 68.5
0 to 0.2
Iron (Fe), % 0 to 0.1
69.4 to 74.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0