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ASTM A299 Steel vs. Ductile Cast Iron

Both ASTM A299 steel and ductile cast iron are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A299 steel and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
160 to 310
Elastic (Young's, Tensile) Modulus, GPa 190
170 to 180
Elongation at Break, % 21 to 22
2.1 to 20
Poisson's Ratio 0.29
0.28 to 0.31
Shear Modulus, GPa 73
64 to 70
Shear Strength, MPa 370 to 390
420 to 800
Tensile Strength: Ultimate (UTS), MPa 590 to 620
460 to 920
Tensile Strength: Yield (Proof), MPa 330 to 360
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
290
Melting Completion (Liquidus), °C 1460
1160
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
31 to 36
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.9
Density, g/cm3 7.8
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 47
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 350
280 to 1330
Stiffness to Weight: Axial, points 13
12 to 14
Stiffness to Weight: Bending, points 24
24 to 26
Strength to Weight: Axial, points 21 to 22
17 to 35
Strength to Weight: Bending, points 20 to 21
18 to 29
Thermal Diffusivity, mm2/s 14
8.9 to 10
Thermal Shock Resistance, points 17 to 18
17 to 35

Comparable Variants