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C47940 Brass vs. S21603 Stainless Steel

C47940 brass belongs to the copper alloys classification, while S21603 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
79
Shear Strength, MPa 250 to 310
490
Tensile Strength: Ultimate (UTS), MPa 380 to 520
690
Tensile Strength: Yield (Proof), MPa 160 to 390
390

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 130
990
Melting Completion (Liquidus), °C 850
1420
Melting Onset (Solidus), °C 800
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.6
Embodied Energy, MJ/kg 47
50
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
380
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 17
25
Strength to Weight: Bending, points 14 to 17
22
Thermal Shock Resistance, points 13 to 17
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
57.6 to 67.8
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0.1 to 0.5
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0