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C26200 Brass vs. SAE-AISI 4140 Steel

C26200 brass belongs to the copper alloys classification, while SAE-AISI 4140 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C26200 brass and the bottom bar is SAE-AISI 4140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 3.0 to 180
11 to 26
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 230 to 390
410 to 660
Tensile Strength: Ultimate (UTS), MPa 330 to 770
690 to 1080
Tensile Strength: Yield (Proof), MPa 110 to 490
590 to 990

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 140
420
Melting Completion (Liquidus), °C 950
1460
Melting Onset (Solidus), °C 920
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
43
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 31
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.4
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 320
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 160
74 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 62 to 1110
920 to 2590
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 11 to 26
25 to 38
Strength to Weight: Bending, points 13 to 23
22 to 30
Thermal Diffusivity, mm2/s 38
12
Thermal Shock Resistance, points 11 to 26
20 to 32

Alloy Composition

Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 67 to 70
0
Iron (Fe), % 0 to 0.050
96.8 to 97.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 29.6 to 33
0
Residuals, % 0 to 0.3
0