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EN 1.4740 Stainless Steel vs. C69700 Brass

EN 1.4740 stainless steel belongs to the iron alloys classification, while C69700 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.4740 stainless steel and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 22
25
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
41

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 900
160
Melting Completion (Liquidus), °C 1420
930
Melting Onset (Solidus), °C 1370
880
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 18
43
Thermal Expansion, µm/m-K 10
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 7.6
8.3
Embodied Carbon, kg CO2/kg material 2.3
2.7
Embodied Energy, MJ/kg 32
44
Embodied Water, L/kg 120
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 4.8
13

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 16 to 19
0
Copper (Cu), % 0
75 to 80
Iron (Fe), % 75.4 to 82.7
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0 to 1.0
0 to 0.4
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
2.5 to 3.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
13.9 to 22
Residuals, % 0
0 to 0.5