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C68400 Brass vs. S44735 Stainless Steel

C68400 brass belongs to the copper alloys classification, while S44735 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220
Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 18
21
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 41
82
Shear Strength, MPa 330
390
Tensile Strength: Ultimate (UTS), MPa 540
630
Tensile Strength: Yield (Proof), MPa 310
460

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 20
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
21
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
4.4
Embodied Energy, MJ/kg 47
61
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460
520
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 20
26
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
60.7 to 68.4
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 0 to 0.5
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0.030 to 0.3
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Titanium (Ti), % 0
0.2 to 1.0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0