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C68800 Brass vs. AISI 202 Stainless Steel

C68800 brass belongs to the copper alloys classification, while AISI 202 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 C68800 brass and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 2.0 to 36
14 to 45
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Shear Strength, MPa 380 to 510
490 to 590
Tensile Strength: Ultimate (UTS), MPa 570 to 890
700 to 980
Tensile Strength: Yield (Proof), MPa 390 to 790
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 160
910
Melting Completion (Liquidus), °C 960
1400
Melting Onset (Solidus), °C 950
1360
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 20
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 26
13
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 48
40
Embodied Water, L/kg 350
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
250 to 840
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19 to 30
25 to 35
Strength to Weight: Bending, points 19 to 25
23 to 29
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 19 to 30
15 to 21

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0
Iron (Fe), % 0 to 0.2
63.5 to 71.5
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
7.5 to 10
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0