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C69710 Brass vs. S21800 Stainless Steel

C69710 brass belongs to the copper alloys classification, while S21800 stainless steel belongs to the iron 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 C69710 brass and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
40
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
75
Shear Strength, MPa 300
510
Tensile Strength: Ultimate (UTS), MPa 470
740
Tensile Strength: Yield (Proof), MPa 230
390

Thermal Properties

Latent Heat of Fusion, J/g 240
340
Maximum Temperature: Mechanical, °C 160
900
Melting Completion (Liquidus), °C 930
1360
Melting Onset (Solidus), °C 880
1310
Specific Heat Capacity, J/kg-K 400
500
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Base Metal Price, % relative 26
15
Density, g/cm3 8.3
7.5
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
250
Resilience: Unit (Modulus of Resilience), kJ/m3 250
390
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 16
27
Strength to Weight: Bending, points 16
24
Thermal Shock Resistance, points 16
17

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
59.1 to 65.4
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 2.5 to 3.5
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 13.8 to 22
0
Residuals, % 0 to 0.5
0