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EN 1.4724 Stainless Steel vs. C68400 Brass

EN 1.4724 stainless steel belongs to the iron alloys classification, while C68400 brass belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4724 stainless steel and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 16
18
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 75
41
Shear Strength, MPa 340
330
Tensile Strength: Ultimate (UTS), MPa 550
540
Tensile Strength: Yield (Proof), MPa 280
310

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 850
130
Melting Completion (Liquidus), °C 1430
840
Melting Onset (Solidus), °C 1390
820
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 21
66
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
87
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
99

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
47
Embodied Water, L/kg 110
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
81
Resilience: Unit (Modulus of Resilience), kJ/m3 210
460
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 5.6
21
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
59 to 64
Iron (Fe), % 82.2 to 86.6
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.0
0.2 to 1.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0.030 to 0.3
Silicon (Si), % 0.7 to 1.4
1.5 to 2.5
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5