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C27000 Brass vs. AISI 445 Stainless Steel

C27000 brass belongs to the copper alloys classification, while AISI 445 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 C27000 brass and the bottom bar is AISI 445 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 53 to 91
71
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 370 to 650
480

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 130
950
Melting Completion (Liquidus), °C 930
1440
Melting Onset (Solidus), °C 900
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 30
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
38
Embodied Water, L/kg 320
130

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 22
17
Strength to Weight: Bending, points 14 to 21
18
Thermal Diffusivity, mm2/s 37
5.6
Thermal Shock Resistance, points 12 to 22
16

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 63 to 68.5
0.3 to 0.6
Iron (Fe), % 0 to 0.1
74.9 to 80.7
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.6
Niobium (Nb), % 0
0 to 0.8
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 0.012
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0