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C99750 Brass vs. S31727 Stainless Steel

C99750 brass belongs to the copper alloys classification, while S31727 stainless steel belongs to the iron alloys. There are 26 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 C99750 brass and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
190
Elastic (Young's, Tensile) Modulus, GPa 130
200
Elongation at Break, % 20 to 30
40
Poisson's Ratio 0.32
0.28
Rockwell B Hardness 77 to 82
83
Shear Modulus, GPa 48
78
Tensile Strength: Ultimate (UTS), MPa 450 to 520
630
Tensile Strength: Yield (Proof), MPa 220 to 280
270

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 160
1010
Melting Completion (Liquidus), °C 840
1440
Melting Onset (Solidus), °C 820
1390
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 3.1
4.7
Embodied Energy, MJ/kg 51
64
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
190
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 15 to 18
22
Strength to Weight: Bending, points 16 to 18
20
Thermal Shock Resistance, points 13 to 15
14

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 55 to 61
2.8 to 4.0
Iron (Fe), % 0 to 1.0
53.7 to 61.3
Lead (Pb), % 0.5 to 2.5
0
Manganese (Mn), % 17 to 23
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0 to 5.0
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 17 to 23
0
Residuals, % 0 to 0.3
0