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C47940 Brass vs. EN 1.4449 Stainless Steel

C47940 brass belongs to the copper alloys classification, while EN 1.4449 stainless steel belongs to the iron alloys. There are 27 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 1.4449 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
48
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Shear Strength, MPa 250 to 310
440
Tensile Strength: Ultimate (UTS), MPa 380 to 520
620
Tensile Strength: Yield (Proof), MPa 160 to 390
250

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 130
960
Melting Completion (Liquidus), °C 850
1440
Melting Onset (Solidus), °C 800
1400
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 47
54
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
240
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
25
Strength to Weight: Axial, points 13 to 17
22
Strength to Weight: Bending, points 14 to 17
20
Thermal Diffusivity, mm2/s 36
4.0
Thermal Shock Resistance, points 13 to 17
14

Alloy Composition

Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
17 to 18.2
Copper (Cu), % 63 to 66
0 to 1.0
Iron (Fe), % 0.1 to 1.0
62.4 to 69.3
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.3 to 2.8
Nickel (Ni), % 0.1 to 0.5
11.5 to 12.5
Nitrogen (N), % 0
0 to 0.080
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0