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EN 1.4938 Stainless Steel vs. CC751S Brass

EN 1.4938 stainless steel belongs to the iron alloys classification, while CC751S 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 CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 16 to 17
5.6
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
450
Tensile Strength: Yield (Proof), MPa 640 to 870
320

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Maximum Temperature: Mechanical, °C 750
130
Melting Completion (Liquidus), °C 1460
850
Melting Onset (Solidus), °C 1420
810
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 30
110
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
28

Otherwise Unclassified Properties

Base Metal Price, % relative 10
24
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 110
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
23
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
480
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 31 to 37
15
Strength to Weight: Bending, points 26 to 29
16
Thermal Diffusivity, mm2/s 8.1
35
Thermal Shock Resistance, points 30 to 35
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
62.7 to 66
Iron (Fe), % 80.5 to 84.8
0.25 to 0.5
Lead (Pb), % 0
0.8 to 2.2
Manganese (Mn), % 0.4 to 0.9
0 to 0.15
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0 to 0.8
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0.65 to 1.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.8
Vanadium (V), % 0.25 to 0.4
0
Zinc (Zn), % 0
27.9 to 35.6