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EN 1.4021 Stainless Steel vs. CC765S Brass

EN 1.4021 stainless steel belongs to the iron alloys classification, while CC765S 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 1.4021 stainless steel and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 17
21
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 630 to 880
540
Tensile Strength: Yield (Proof), MPa 390 to 670
220

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Maximum Temperature: Mechanical, °C 760
140
Melting Completion (Liquidus), °C 1440
860
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 30
91
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
30
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
34

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 27
51
Embodied Water, L/kg 100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
90
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
220
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 23 to 31
19
Strength to Weight: Bending, points 21 to 26
18
Thermal Diffusivity, mm2/s 8.1
28
Thermal Shock Resistance, points 22 to 31
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0.16 to 0.25
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
51 to 65
Iron (Fe), % 83.2 to 87.8
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 1.5
0.3 to 3.0
Nickel (Ni), % 0
0 to 6.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19.8 to 47.7