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AISI 309 Stainless Steel vs. CC764S Brass

AISI 309 stainless steel belongs to the iron alloys classification, while CC764S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 309 stainless steel and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
160
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34 to 47
15
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 600 to 710
680
Tensile Strength: Yield (Proof), MPa 260 to 350
290

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 980
130
Melting Completion (Liquidus), °C 1450
850
Melting Onset (Solidus), °C 1400
810
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
94
Thermal Expansion, µm/m-K 15
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
32
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
36

Otherwise Unclassified Properties

Base Metal Price, % relative 19
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 51
49
Embodied Water, L/kg 170
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
80
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
390
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 21 to 25
24
Strength to Weight: Bending, points 20 to 23
22
Thermal Diffusivity, mm2/s 4.3
30
Thermal Shock Resistance, points 14 to 16
22

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
52 to 66
Iron (Fe), % 58 to 66
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 2.0
0.3 to 4.0
Nickel (Ni), % 12 to 15
0 to 3.0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
20.7 to 50.2