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S21603 Stainless Steel vs. C24000 Brass

S21603 stainless steel belongs to the iron alloys classification, while C24000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 88
52 to 91
Shear Modulus, GPa 79
42
Tensile Strength: Ultimate (UTS), MPa 690
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 990
160
Melting Completion (Liquidus), °C 1420
1000
Melting Onset (Solidus), °C 1380
970
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Base Metal Price, % relative 17
27
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 50
43
Embodied Water, L/kg 160
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
10 to 21
Strength to Weight: Bending, points 22
12 to 20
Thermal Shock Resistance, points 15
10 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
78.5 to 81.5
Iron (Fe), % 57.6 to 67.8
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 7.5 to 9.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
18.2 to 21.5
Residuals, % 0
0 to 0.2