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S21603 Stainless Steel vs. C68800 Brass

S21603 stainless steel belongs to the iron alloys classification, while C68800 brass belongs to the copper alloys. There are 26 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 C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
2.0 to 36
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 88
81 to 99
Shear Modulus, GPa 79
41
Shear Strength, MPa 490
380 to 510
Tensile Strength: Ultimate (UTS), MPa 690
570 to 890
Tensile Strength: Yield (Proof), MPa 390
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 990
160
Melting Completion (Liquidus), °C 1420
960
Melting Onset (Solidus), °C 1380
950
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Base Metal Price, % relative 17
26
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 50
48
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 380
710 to 2860
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
19 to 30
Strength to Weight: Bending, points 22
19 to 25
Thermal Shock Resistance, points 15
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
70.8 to 75.5
Iron (Fe), % 57.6 to 67.8
0 to 0.2
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
21.3 to 24.1
Residuals, % 0
0 to 0.5