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EN 1.4742 Stainless Steel vs. C87400 Brass

EN 1.4742 stainless steel belongs to the iron alloys classification, while C87400 brass belongs to the copper alloys. There are 28 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 1.4742 stainless steel and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
21
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 600
390
Tensile Strength: Yield (Proof), MPa 300
160

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
170
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 19
28
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
27
Density, g/cm3 7.6
8.3
Embodied Carbon, kg CO2/kg material 2.2
2.7
Embodied Energy, MJ/kg 32
44
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
65
Resilience: Unit (Modulus of Resilience), kJ/m3 230
120
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
13
Strength to Weight: Bending, points 21
14
Thermal Diffusivity, mm2/s 5.1
8.3
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0 to 0.8
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
79 to 85.5
Iron (Fe), % 77.2 to 81.6
0
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.7 to 1.4
2.5 to 4.0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8