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C47940 Brass vs. EN 1.4557 Stainless Steel

C47940 brass belongs to the copper alloys classification, while EN 1.4557 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 380 to 520
560
Tensile Strength: Yield (Proof), MPa 160 to 390
300

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 130
1090
Melting Completion (Liquidus), °C 850
1460
Melting Onset (Solidus), °C 800
1420
Specific Heat Capacity, J/kg-K 380
460
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.6
Embodied Energy, MJ/kg 47
76
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
190
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
210
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13 to 17
19
Strength to Weight: Bending, points 14 to 17
19
Thermal Diffusivity, mm2/s 36
4.0
Thermal Shock Resistance, points 13 to 17
12

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 63 to 66
0.5 to 1.0
Iron (Fe), % 0.1 to 1.0
49.5 to 56.3
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0.1 to 0.5
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0