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C27000 Brass vs. AISI 312 Stainless Steel

C27000 brass belongs to the copper alloys classification, while AISI 312 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is AISI 312 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 370 to 650
780

Thermal Properties

Latent Heat of Fusion, J/g 180
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 930
1430
Melting Onset (Solidus), °C 900
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 20
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 24
17
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 320
170

Common Calculations

Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 22
28
Strength to Weight: Bending, points 14 to 21
24
Thermal Diffusivity, mm2/s 37
4.3
Thermal Shock Resistance, points 12 to 22
21

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 63 to 68.5
0
Iron (Fe), % 0 to 0.1
62.2 to 69.2
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 0
5.5 to 6.5
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0