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C36200 Brass vs. S81921 Stainless Steel

C36200 brass belongs to the copper alloys classification, while S81921 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C36200 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, % 20 to 53
29
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 39
79
Shear Strength, MPa 210 to 240
460
Tensile Strength: Ultimate (UTS), MPa 340 to 420
710
Tensile Strength: Yield (Proof), MPa 130 to 360
500

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
990
Melting Completion (Liquidus), °C 900
1430
Melting Onset (Solidus), °C 890
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
14
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 140
180
Resilience: Unit (Modulus of Resilience), kJ/m3 89 to 630
630
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 14
25
Strength to Weight: Bending, points 13 to 15
23
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 11 to 14
20

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 60 to 63
0
Iron (Fe), % 0 to 0.15
66.7 to 75.9
Lead (Pb), % 3.5 to 4.5
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
Zinc (Zn), % 32.4 to 36.5
0