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C66700 Brass vs. S42030 Stainless Steel

C66700 brass belongs to the copper alloys classification, while S42030 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 C66700 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, % 2.0 to 58
16
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 250 to 530
410
Tensile Strength: Ultimate (UTS), MPa 340 to 690
670
Tensile Strength: Yield (Proof), MPa 100 to 640
410

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 140
780
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1050
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 97
28
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 19
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.5
Embodied Energy, MJ/kg 45
34
Embodied Water, L/kg 320
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
92
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
440
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 23
24
Strength to Weight: Bending, points 13 to 21
22
Thermal Diffusivity, mm2/s 30
7.7
Thermal Shock Resistance, points 11 to 23
24

Alloy Composition

Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 68.5 to 71.5
2.0 to 3.0
Iron (Fe), % 0 to 0.1
77.6 to 85
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0.8 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 26.3 to 30.7
0
Residuals, % 0 to 0.5
0