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C34500 Brass vs. EN 1.4318 Stainless Steel

C34500 brass belongs to the copper alloys classification, while EN 1.4318 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 C34500 brass and the bottom bar is EN 1.4318 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 12 to 28
44
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 220 to 260
520
Tensile Strength: Ultimate (UTS), MPa 340 to 430
740
Tensile Strength: Yield (Proof), MPa 120 to 180
380

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
910
Melting Completion (Liquidus), °C 910
1430
Melting Onset (Solidus), °C 890
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 45
39
Embodied Water, L/kg 320
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
280
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
360
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 15
27
Strength to Weight: Bending, points 13 to 16
23
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 11 to 14
17

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.15
70.2 to 77.4
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0 to 0.4
0