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CC751S Brass vs. EN 1.4581 Stainless Steel

CC751S brass belongs to the copper alloys classification, while EN 1.4581 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC751S brass and the bottom bar is EN 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
150
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 5.6
28
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 450
510
Tensile Strength: Yield (Proof), MPa 320
210

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 130
990
Melting Completion (Liquidus), °C 850
1440
Melting Onset (Solidus), °C 810
1400
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
21
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.8
4.2
Embodied Energy, MJ/kg 46
59
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
110
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 35
3.9
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 62.7 to 66
0
Iron (Fe), % 0.25 to 0.5
61.4 to 71
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0 to 0.8
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.65 to 1.1
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0