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C34500 Brass vs. EN 1.4945 Stainless Steel

C34500 brass belongs to the copper alloys classification, while EN 1.4945 stainless steel belongs to the iron 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 C34500 brass and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 12 to 28
19 to 34
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 220 to 260
430 to 460
Tensile Strength: Ultimate (UTS), MPa 340 to 430
640 to 740
Tensile Strength: Yield (Proof), MPa 120 to 180
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
920
Melting Completion (Liquidus), °C 910
1490
Melting Onset (Solidus), °C 890
1440
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 29
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 45
73
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
210 to 760
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12 to 15
22 to 25
Strength to Weight: Bending, points 13 to 16
20 to 22
Thermal Diffusivity, mm2/s 37
3.7
Thermal Shock Resistance, points 11 to 14
14 to 16

Alloy Composition

Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.15
57.9 to 65.7
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0 to 0.4
0