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S21603 Stainless Steel vs. C27400 Brass

S21603 stainless steel belongs to the iron alloys classification, while C27400 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 88
53 to 91
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 690
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 990
120
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
21

Otherwise Unclassified Properties

Base Metal Price, % relative 17
23
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 50
45
Embodied Water, L/kg 160
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25
13 to 23
Strength to Weight: Bending, points 22
14 to 21
Thermal Shock Resistance, points 15
12 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
61 to 64
Iron (Fe), % 57.6 to 67.8
0 to 0.1
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
35.6 to 39
Residuals, % 0
0 to 0.3