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S33550 Stainless Steel vs. C38000 Brass

S33550 stainless steel belongs to the iron alloys classification, while C38000 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S33550 stainless steel and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 40
17
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
39
Shear Strength, MPa 470
230
Tensile Strength: Ultimate (UTS), MPa 680
380
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 1100
110
Melting Completion (Liquidus), °C 1400
800
Melting Onset (Solidus), °C 1360
760
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 24
22
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 61
46
Embodied Water, L/kg 190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
50
Resilience: Unit (Modulus of Resilience), kJ/m3 250
74
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
13
Strength to Weight: Bending, points 22
14
Thermal Diffusivity, mm2/s 3.9
37
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.040 to 0.1
0
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
0
Copper (Cu), % 0
55 to 60
Iron (Fe), % 48.8 to 58.2
0 to 0.35
Lanthanum (La), % 0.025 to 0.070
0
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 16.5 to 20
0
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.9 to 43.5
Residuals, % 0
0 to 0.5