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CC765S Brass vs. AISI 312 Stainless Steel

CC765S brass belongs to the copper alloys classification, while AISI 312 stainless steel belongs to the iron 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 CC765S brass and the bottom bar is AISI 312 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
250
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 21
28
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 42
80
Tensile Strength: Ultimate (UTS), MPa 540
780
Tensile Strength: Yield (Proof), MPa 220
510

Thermal Properties

Latent Heat of Fusion, J/g 180
300
Maximum Temperature: Mechanical, °C 140
1100
Melting Completion (Liquidus), °C 860
1430
Melting Onset (Solidus), °C 820
1390
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 91
16
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 34
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 51
48
Embodied Water, L/kg 330
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
190
Resilience: Unit (Modulus of Resilience), kJ/m3 220
640
Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 28
4.3
Thermal Shock Resistance, points 17
21

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 51 to 65
0
Iron (Fe), % 0.5 to 2.0
62.2 to 69.2
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0.3 to 3.0
0 to 2.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 0 to 6.0
5.5 to 6.5
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
0