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S21603 Stainless Steel vs. C69430 Brass

S21603 stainless steel belongs to the iron alloys classification, while C69430 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
17
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
42
Shear Strength, MPa 490
350
Tensile Strength: Ultimate (UTS), MPa 690
570
Tensile Strength: Yield (Proof), MPa 390
280

Thermal Properties

Latent Heat of Fusion, J/g 290
260
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
410
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
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
80
Resilience: Unit (Modulus of Resilience), kJ/m3 380
340
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
18
Thermal Shock Resistance, points 15
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
80 to 83
Iron (Fe), % 57.6 to 67.8
0 to 0.2
Lead (Pb), % 0
0 to 0.3
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
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
11.4 to 16.5
Residuals, % 0
0 to 0.5