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C68400 Brass vs. EN 1.4659 Stainless Steel

C68400 brass belongs to the copper alloys classification, while EN 1.4659 stainless steel belongs to the iron alloys. There are 30 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 C68400 brass and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
260
Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 18
49
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
81
Shear Strength, MPa 330
640
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 310
480

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 840
1480
Melting Onset (Solidus), °C 820
1430
Specific Heat Capacity, J/kg-K 400
460
Thermal Conductivity, W/m-K 66
12
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
37
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.7
6.5
Embodied Energy, MJ/kg 47
89
Embodied Water, L/kg 320
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
370
Resilience: Unit (Modulus of Resilience), kJ/m3 460
550
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 21
3.2
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 59 to 64
1.0 to 2.0
Iron (Fe), % 0 to 1.0
35.7 to 45.7
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 0 to 0.5
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0.030 to 0.3
0 to 0.030
Silicon (Si), % 1.5 to 2.5
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.5
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0