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C68300 Brass vs. S44800 Stainless Steel

C68300 brass belongs to the copper alloys classification, while S44800 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 15
23
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
82
Shear Strength, MPa 260
370
Tensile Strength: Ultimate (UTS), MPa 430
590
Tensile Strength: Yield (Proof), MPa 260
450

Thermal Properties

Latent Heat of Fusion, J/g 180
300
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 20
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
19
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 340
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
120
Resilience: Unit (Modulus of Resilience), kJ/m3 330
480
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 38
4.6
Thermal Shock Resistance, points 14
19

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 59 to 63
0 to 0.15
Iron (Fe), % 0
62.6 to 66.5
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.3 to 1.0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0 to 0.5
0