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C68300 Brass vs. S42030 Stainless Steel

C68300 brass belongs to the copper alloys classification, while S42030 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 15
16
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 260
410
Tensile Strength: Ultimate (UTS), MPa 430
670
Tensile Strength: Yield (Proof), MPa 260
410

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 120
780
Melting Completion (Liquidus), °C 900
1450
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 20
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
10
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 46
34
Embodied Water, L/kg 340
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
92
Resilience: Unit (Modulus of Resilience), kJ/m3 330
440
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 38
7.7
Thermal Shock Resistance, points 14
24

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 59 to 63
2.0 to 3.0
Iron (Fe), % 0
77.6 to 85
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.3 to 1.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0 to 0.5
0