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C69400 Brass vs. EN 1.4434 Stainless Steel

C69400 brass belongs to the copper alloys classification, while EN 1.4434 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is EN 1.4434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
41
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
79
Shear Strength, MPa 350
450
Tensile Strength: Ultimate (UTS), MPa 570
660
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 920
1450
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 27
21
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.2
Embodied Energy, MJ/kg 44
57
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
220
Resilience: Unit (Modulus of Resilience), kJ/m3 340
240
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 7.7
4.0
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16.5 to 19.5
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
59.2 to 69.9
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
10.5 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0