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CC751S Brass vs. S20432 Stainless Steel

CC751S brass belongs to the copper alloys classification, while S20432 stainless steel belongs to the iron alloys. There are 29 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 S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
170
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 5.6
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 450
580
Tensile Strength: Yield (Proof), MPa 320
230

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 130
900
Melting Completion (Liquidus), °C 850
1410
Melting Onset (Solidus), °C 810
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 330
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
210
Resilience: Unit (Modulus of Resilience), kJ/m3 480
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 35
4.0
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 62.7 to 66
2.0 to 3.0
Iron (Fe), % 0.25 to 0.5
66.7 to 74
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
3.0 to 5.0
Nickel (Ni), % 0 to 0.8
4.0 to 6.0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.65 to 1.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0