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EN 1.4729 Stainless Steel vs. C69300 Brass

EN 1.4729 stainless steel belongs to the iron alloys classification, while C69300 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 15
8.5 to 15
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
41

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 850
160
Melting Completion (Liquidus), °C 1420
880
Melting Onset (Solidus), °C 1380
860
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 24
38
Thermal Expansion, µm/m-K 10
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
26
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 2.1
2.7
Embodied Energy, MJ/kg 29
45
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 6.5
12

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
73 to 77
Iron (Fe), % 80.4 to 86.7
0 to 0.1
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0.040 to 0.15
Silicon (Si), % 1.0 to 2.5
2.7 to 3.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
18.4 to 24.3
Residuals, % 0
0 to 0.5