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EN 1.4451 Stainless Steel vs. C69400 Brass

EN 1.4451 stainless steel belongs to the iron alloys classification, while C69400 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 1.4451 stainless steel and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 25
17
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
42
Tensile Strength: Ultimate (UTS), MPa 750
570
Tensile Strength: Yield (Proof), MPa 540
270

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1430
920
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 17
26
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.8
2.7
Embodied Energy, MJ/kg 53
44
Embodied Water, L/kg 190
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
80
Resilience: Unit (Modulus of Resilience), kJ/m3 710
340
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.5
7.7
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 25 to 27
0
Copper (Cu), % 2.8 to 3.5
80 to 83
Iron (Fe), % 56.2 to 64.6
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5