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EN 1.4640 Stainless Steel vs. C68000 Brass

EN 1.4640 stainless steel belongs to the iron alloys classification, while C68000 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 1.4640 stainless steel and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 51
27
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 620 to 650
390
Tensile Strength: Yield (Proof), MPa 240 to 260
140

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 930
120
Melting Completion (Liquidus), °C 1420
880
Melting Onset (Solidus), °C 1380
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
96
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 14
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 40
48
Embodied Water, L/kg 150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
82
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
95
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22 to 23
14
Strength to Weight: Bending, points 21
15
Thermal Diffusivity, mm2/s 4.0
31
Thermal Shock Resistance, points 14 to 15
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
56 to 60
Iron (Fe), % 67.4 to 73.6
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.5 to 4.0
0.010 to 0.5
Nickel (Ni), % 5.5 to 6.9
0.2 to 0.8
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0.040 to 0.15
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
35.6 to 42.8
Residuals, % 0
0 to 0.5