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C46200 Brass vs. S81921 Stainless Steel

C46200 brass belongs to the copper alloys classification, while S81921 stainless steel belongs to the iron alloys. There are 27 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 C46200 brass and the bottom bar is S81921 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 17 to 34
29
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
79
Shear Strength, MPa 240 to 290
460
Tensile Strength: Ultimate (UTS), MPa 370 to 480
710
Tensile Strength: Yield (Proof), MPa 120 to 290
500

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
990
Melting Completion (Liquidus), °C 840
1430
Melting Onset (Solidus), °C 800
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
14
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 72 to 400
630
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 16
25
Strength to Weight: Bending, points 14 to 17
23
Thermal Diffusivity, mm2/s 35
4.0
Thermal Shock Resistance, points 12 to 16
20

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.1
66.7 to 75.9
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.5 to 1.0
0
Zinc (Zn), % 33.3 to 37.5
0
Residuals, % 0 to 0.4
0