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AISI 312 Stainless Steel vs. CC755S Brass

AISI 312 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 (6, in this case) are not shown.

For each property being compared, the top bar is AISI 312 stainless steel and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
110
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 28
9.5
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 780
390
Tensile Strength: Yield (Proof), MPa 510
250

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1430
820
Melting Onset (Solidus), °C 1390
780
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
30

Otherwise Unclassified Properties

Base Metal Price, % relative 17
23
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 48
46
Embodied Water, L/kg 170
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
33
Resilience: Unit (Modulus of Resilience), kJ/m3 640
290
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
14
Strength to Weight: Bending, points 24
15
Thermal Diffusivity, mm2/s 4.3
38
Thermal Shock Resistance, points 21
13

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
59.5 to 61
Iron (Fe), % 62.2 to 69.2
0.050 to 0.2
Lead (Pb), % 0
1.2 to 1.7
Manganese (Mn), % 0 to 2.0
0 to 0.050
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.5 to 6.5
0 to 0.2
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
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