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AISI 304 Stainless Steel vs. CC755S Brass

AISI 304 stainless steel belongs to the iron alloys classification, while CC755S 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 304 stainless steel and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 360
110
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 8.0 to 43
9.5
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
390
Tensile Strength: Yield (Proof), MPa 230 to 860
250

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 710
120
Melting Completion (Liquidus), °C 1450
820
Melting Onset (Solidus), °C 1400
780
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
30

Otherwise Unclassified Properties

Base Metal Price, % relative 15
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
33
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
290
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21 to 42
14
Strength to Weight: Bending, points 20 to 32
15
Thermal Diffusivity, mm2/s 4.2
38
Thermal Shock Resistance, points 12 to 25
13

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
59.5 to 61
Iron (Fe), % 66.5 to 74
0.050 to 0.2
Lead (Pb), % 0
1.2 to 1.7
Manganese (Mn), % 0 to 2.0
0 to 0.050
Nickel (Ni), % 8.0 to 10.5
0 to 0.2
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.050
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.8 to 38.9