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C69400 Brass vs. AISI 436 Stainless Steel

C69400 brass belongs to the copper alloys classification, while AISI 436 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is AISI 436 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
25
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Shear Strength, MPa 350
320
Tensile Strength: Ultimate (UTS), MPa 570
500
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 170
880
Melting Completion (Liquidus), °C 920
1450
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 26
25
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 27
12
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
38
Embodied Water, L/kg 300
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
190
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 7.7
6.7
Thermal Shock Resistance, points 20
18

Alloy Composition

Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
77.8 to 83.3
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.75 to 1.3
Niobium (Nb), % 0
0 to 0.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0