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EN 1.4640 Stainless Steel vs. C66900 Brass

EN 1.4640 stainless steel belongs to the iron alloys classification, while C66900 brass belongs to the copper alloys. There are 27 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 1.4640 stainless steel and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 51
1.1 to 26
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
45
Shear Strength, MPa 440 to 460
290 to 440
Tensile Strength: Ultimate (UTS), MPa 620 to 650
460 to 770
Tensile Strength: Yield (Proof), MPa 240 to 260
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 930
150
Melting Completion (Liquidus), °C 1420
860
Melting Onset (Solidus), °C 1380
850
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 14
23
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 40
46
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
460 to 2450
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22 to 23
15 to 26
Strength to Weight: Bending, points 21
16 to 23
Thermal Shock Resistance, points 14 to 15
14 to 23

Alloy Composition

Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
62.5 to 64.5
Iron (Fe), % 67.4 to 73.6
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.5 to 4.0
11.5 to 12.5
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
22.5 to 26
Residuals, % 0
0 to 0.2