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CC751S Brass vs. S42030 Stainless Steel

CC751S brass belongs to the copper alloys classification, while S42030 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 S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 5.6
16
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 450
670
Tensile Strength: Yield (Proof), MPa 320
410

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 130
780
Melting Completion (Liquidus), °C 850
1450
Melting Onset (Solidus), °C 810
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 28
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
10
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 46
34
Embodied Water, L/kg 330
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
92
Resilience: Unit (Modulus of Resilience), kJ/m3 480
440
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 35
7.7
Thermal Shock Resistance, points 15
24

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 62.7 to 66
2.0 to 3.0
Iron (Fe), % 0.25 to 0.5
77.6 to 85
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0
0 to 0.040
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