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S21603 Stainless Steel vs. C87400 Brass

S21603 stainless steel belongs to the iron alloys classification, while C87400 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
21
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
41
Tensile Strength: Ultimate (UTS), MPa 690
390
Tensile Strength: Yield (Proof), MPa 390
160

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
170
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 17
27
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 50
44
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
65
Resilience: Unit (Modulus of Resilience), kJ/m3 380
120
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
13
Strength to Weight: Bending, points 22
14
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
79 to 85.5
Iron (Fe), % 57.6 to 67.8
0
Lead (Pb), % 0
0 to 1.0
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
2.5 to 4.0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8