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EN 1.4490 Stainless Steel vs. C99750 Brass

EN 1.4490 stainless steel belongs to the iron alloys classification, while C99750 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4490 stainless steel and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Elongation at Break, % 34
20 to 30
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
48
Tensile Strength: Ultimate (UTS), MPa 560
450 to 520
Tensile Strength: Yield (Proof), MPa 260
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 990
160
Melting Completion (Liquidus), °C 1440
840
Melting Onset (Solidus), °C 1390
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 19
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.7
3.1
Embodied Energy, MJ/kg 52
51
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
190 to 300
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 20
15 to 18
Strength to Weight: Bending, points 19
16 to 18
Thermal Shock Resistance, points 16
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
55 to 61
Iron (Fe), % 61.7 to 70.9
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0 to 2.0
17 to 23
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 9.0 to 12
0 to 5.0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
17 to 23
Residuals, % 0
0 to 0.3