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EN 1.4938 Stainless Steel vs. CC765S Brass

EN 1.4938 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 1.4938 stainless steel and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 16 to 17
21
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
540
Tensile Strength: Yield (Proof), MPa 640 to 870
220

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Maximum Temperature: Mechanical, °C 750
140
Melting Completion (Liquidus), °C 1460
860
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
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 10
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 47
51
Embodied Water, L/kg 110
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
90
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
220
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 31 to 37
19
Strength to Weight: Bending, points 26 to 29
18
Thermal Diffusivity, mm2/s 8.1
28
Thermal Shock Resistance, points 30 to 35
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
51 to 65
Iron (Fe), % 80.5 to 84.8
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.4 to 0.9
0.3 to 3.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0 to 6.0
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 1.0
Vanadium (V), % 0.25 to 0.4
0
Zinc (Zn), % 0
19.8 to 47.7