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C47940 Brass vs. EN 1.4865 Stainless Steel

C47940 brass belongs to the copper alloys classification, while EN 1.4865 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
6.8
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 380 to 520
470
Tensile Strength: Yield (Proof), MPa 160 to 390
250

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Maximum Temperature: Mechanical, °C 130
1020
Melting Completion (Liquidus), °C 850
1380
Melting Onset (Solidus), °C 800
1330
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 20
15

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.8
Embodied Energy, MJ/kg 47
81
Embodied Water, L/kg 330
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
27
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
160
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13 to 17
16
Strength to Weight: Bending, points 14 to 17
17
Thermal Diffusivity, mm2/s 36
3.1
Thermal Shock Resistance, points 13 to 17
11

Alloy Composition

Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
34.4 to 44.7
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.1 to 0.5
36 to 39
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0