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C68300 Brass vs. K94200 Alloy

C68300 brass belongs to the copper alloys classification, while K94200 alloy belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
140
Elongation at Break, % 15
5.0 to 32
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
54
Shear Strength, MPa 260
330 to 410
Tensile Strength: Ultimate (UTS), MPa 430
500 to 710
Tensile Strength: Yield (Proof), MPa 260
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 890
1440
Specific Heat Capacity, J/kg-K 390
500
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 20
5.0

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
250 to 1460
Stiffness to Weight: Axial, points 7.3
9.8
Stiffness to Weight: Bending, points 20
21
Strength to Weight: Axial, points 15
17 to 24
Strength to Weight: Bending, points 16
17 to 22
Thermal Diffusivity, mm2/s 38
3.7
Thermal Shock Resistance, points 14
49 to 70