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EN 1.4640 Stainless Steel vs. C46400 Brass

EN 1.4640 stainless steel belongs to the iron alloys classification, while C46400 brass belongs to the copper 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 EN 1.4640 stainless steel and the bottom bar is C46400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 51
17 to 40
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Shear Strength, MPa 440 to 460
270 to 310
Tensile Strength: Ultimate (UTS), MPa 620 to 650
400 to 500
Tensile Strength: Yield (Proof), MPa 240 to 260
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 930
120
Melting Completion (Liquidus), °C 1420
900
Melting Onset (Solidus), °C 1380
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 16
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
47
Embodied Water, L/kg 150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
76 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
120 to 500
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22 to 23
14 to 17
Strength to Weight: Bending, points 21
15 to 17
Thermal Diffusivity, mm2/s 4.0
38
Thermal Shock Resistance, points 14 to 15
13 to 16

Alloy Composition

Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
59 to 62
Iron (Fe), % 67.4 to 73.6
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 0
36.3 to 40.5
Residuals, % 0
0 to 0.4