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C69700 Brass vs. S44735 Stainless Steel

C69700 brass belongs to the copper alloys classification, while S44735 stainless steel belongs to the iron alloys. There are 25 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 C69700 brass and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 25
21
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
82
Shear Strength, MPa 300
390
Tensile Strength: Ultimate (UTS), MPa 470
630
Tensile Strength: Yield (Proof), MPa 230
460

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 880
1420
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 19
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
21
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
4.4
Embodied Energy, MJ/kg 44
61
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
520
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
60.7 to 68.4
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0