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C38000 Brass vs. S33425 Stainless Steel

C38000 brass belongs to the copper alloys classification, while S33425 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 C38000 brass and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 17
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 39
79
Shear Strength, MPa 230
400
Tensile Strength: Ultimate (UTS), MPa 380
580
Tensile Strength: Yield (Proof), MPa 120
230

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 110
1100
Melting Completion (Liquidus), °C 800
1430
Melting Onset (Solidus), °C 760
1380
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
27
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 46
71
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
210
Resilience: Unit (Modulus of Resilience), kJ/m3 74
140
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 14
19
Thermal Diffusivity, mm2/s 37
3.7
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.5
0.15 to 0.6
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 55 to 60
0
Iron (Fe), % 0 to 0.35
47.2 to 56.7
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
20 to 23
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0.15 to 0.6
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0 to 0.5
0