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C99700 Brass vs. S21603 Stainless Steel

C99700 brass belongs to the copper alloys classification, while S21603 stainless steel belongs to the iron alloys. There are 24 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 C99700 brass and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 25
45
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 46
79
Tensile Strength: Ultimate (UTS), MPa 380
690
Tensile Strength: Yield (Proof), MPa 170
390

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 160
990
Melting Completion (Liquidus), °C 900
1420
Melting Onset (Solidus), °C 880
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 3.3
3.6
Embodied Energy, MJ/kg 53
50
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
270
Resilience: Unit (Modulus of Resilience), kJ/m3 120
380
Stiffness to Weight: Axial, points 8.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 13
25
Strength to Weight: Bending, points 14
22
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 54 to 65.5
0
Iron (Fe), % 0 to 1.0
57.6 to 67.8
Lead (Pb), % 0 to 2.0
0
Manganese (Mn), % 11 to 15
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 4.0 to 6.0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
0
Residuals, % 0 to 0.3
0