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EN 1.4945 Stainless Steel vs. C69400 Brass

EN 1.4945 stainless steel belongs to the iron alloys classification, while C69400 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4945 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, % 19 to 34
17
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
42
Shear Strength, MPa 430 to 460
350
Tensile Strength: Ultimate (UTS), MPa 640 to 740
570
Tensile Strength: Yield (Proof), MPa 290 to 550
270

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 920
170
Melting Completion (Liquidus), °C 1490
920
Melting Onset (Solidus), °C 1440
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 14
26
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 5.0
2.7
Embodied Energy, MJ/kg 73
44
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
80
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
340
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22 to 25
19
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 3.7
7.7
Thermal Shock Resistance, points 14 to 16
20

Alloy Composition

Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
80 to 83
Iron (Fe), % 57.9 to 65.7
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.3 to 0.6
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.5 to 3.5
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5