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S21603 Stainless Steel vs. C99750 Brass

S21603 stainless steel belongs to the iron alloys classification, while C99750 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
130
Elongation at Break, % 45
20 to 30
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 88
77 to 82
Shear Modulus, GPa 79
48
Tensile Strength: Ultimate (UTS), MPa 690
450 to 520
Tensile Strength: Yield (Proof), MPa 390
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Maximum Temperature: Mechanical, °C 990
160
Melting Completion (Liquidus), °C 1420
840
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 17
20

Otherwise Unclassified Properties

Base Metal Price, % relative 17
23
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.6
3.1
Embodied Energy, MJ/kg 50
51
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 380
190 to 300
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 25
15 to 18
Strength to Weight: Bending, points 22
16 to 18
Thermal Shock Resistance, points 15
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
55 to 61
Iron (Fe), % 57.6 to 67.8
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 7.5 to 9.0
17 to 23
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0 to 5.0
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
17 to 23
Residuals, % 0
0 to 0.3