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EN 1.4581 Stainless Steel vs. CC765S Brass

EN 1.4581 stainless steel belongs to the iron alloys classification, while CC765S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4581 stainless steel and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
130
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 28
21
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
42
Tensile Strength: Ultimate (UTS), MPa 510
540
Tensile Strength: Yield (Proof), MPa 210
220

Thermal Properties

Latent Heat of Fusion, J/g 300
180
Maximum Temperature: Mechanical, °C 990
140
Melting Completion (Liquidus), °C 1440
860
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 15
91
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
34

Otherwise Unclassified Properties

Base Metal Price, % relative 21
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.2
3.0
Embodied Energy, MJ/kg 59
51
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
90
Resilience: Unit (Modulus of Resilience), kJ/m3 110
220
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 3.9
28
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
51 to 65
Iron (Fe), % 61.4 to 71
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 1.5
0.3 to 3.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 9.0 to 12
0 to 6.0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19.8 to 47.7