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ASTM A27 Cast Steel vs. K94200 Alloy

Both ASTM A27 cast steel and K94200 alloy are iron alloys. There are 21 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 ASTM A27 cast steel and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 25 to 27
5.0 to 32
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
54
Tensile Strength: Ultimate (UTS), MPa 460 to 550
500 to 710
Tensile Strength: Yield (Proof), MPa 230 to 310
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 12
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
3.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
250 to 1460
Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 16 to 20
17 to 24
Strength to Weight: Bending, points 17 to 19
17 to 22
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 15 to 18
49 to 70