MakeItFrom.com
Menu (ESC)

C69400 Brass vs. SAE-AISI 4340M Steel

C69400 brass belongs to the copper alloys classification, while SAE-AISI 4340M 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 C69400 brass and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
6.0
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
72
Shear Strength, MPa 350
1360
Tensile Strength: Ultimate (UTS), MPa 570
2340
Tensile Strength: Yield (Proof), MPa 270
1240

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 170
430
Melting Completion (Liquidus), °C 920
1440
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 26
38
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 27
3.9
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 44
26
Embodied Water, L/kg 300
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120
Resilience: Unit (Modulus of Resilience), kJ/m3 340
4120
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
84
Strength to Weight: Bending, points 18
51
Thermal Diffusivity, mm2/s 7.7
10
Thermal Shock Resistance, points 20
70

Alloy Composition

Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
93.3 to 94.8
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0
0 to 0.012
Silicon (Si), % 3.5 to 4.5
1.5 to 1.8
Sulfur (S), % 0
0 to 0.012
Vanadium (V), % 0
0.050 to 0.1
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0