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CC751S Brass vs. EN 1.3940 Stainless Steel

CC751S brass belongs to the copper alloys classification, while EN 1.3940 stainless steel belongs to the iron 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 CC751S brass and the bottom bar is EN 1.3940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 5.6
34
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 450
540
Tensile Strength: Yield (Proof), MPa 320
240

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 130
930
Melting Completion (Liquidus), °C 850
1420
Melting Onset (Solidus), °C 810
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
17
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
150
Resilience: Unit (Modulus of Resilience), kJ/m3 480
150
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 35
4.1
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 62.7 to 66
0
Iron (Fe), % 0.25 to 0.5
64.2 to 71.4
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.8
12 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.65 to 1.1
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0