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C66900 Brass vs. AISI 445 Stainless Steel

C66900 brass belongs to the copper alloys classification, while AISI 445 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is AISI 445 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.1 to 26
25
Poisson's Ratio 0.32
0.28
Rockwell B Hardness 65 to 100
71
Shear Modulus, GPa 45
78
Shear Strength, MPa 290 to 440
310
Tensile Strength: Ultimate (UTS), MPa 460 to 770
480
Tensile Strength: Yield (Proof), MPa 330 to 760
230

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 150
950
Melting Completion (Liquidus), °C 860
1440
Melting Onset (Solidus), °C 850
1390
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
12
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
98
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
140
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15 to 26
17
Strength to Weight: Bending, points 16 to 23
18
Thermal Shock Resistance, points 14 to 23
16

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 62.5 to 64.5
0.3 to 0.6
Iron (Fe), % 0 to 0.25
74.9 to 80.7
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
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), % 22.5 to 26
0
Residuals, % 0 to 0.2
0