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EN 1.7139 Steel vs. ASTM A732 Cast Steel

Both EN 1.7139 steel and ASTM A732 cast steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7139 steel and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
140 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72 to 73
Tensile Strength: Ultimate (UTS), MPa 480 to 1390
460 to 1470

Thermal Properties

Latent Heat of Fusion, J/g 250
250 to 260
Maximum Temperature: Mechanical, °C 420
400 to 430
Melting Completion (Liquidus), °C 1460
1440 to 1460
Melting Onset (Solidus), °C 1420
1400 to 1420
Specific Heat Capacity, J/kg-K 470
470 to 480
Thermal Conductivity, W/m-K 44
39 to 50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.0 to 3.8
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4 to 1.7
Embodied Energy, MJ/kg 19
19 to 24
Embodied Water, L/kg 51
47 to 54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 49
16 to 52
Strength to Weight: Bending, points 17 to 35
17 to 37
Thermal Diffusivity, mm2/s 12
10 to 14
Thermal Shock Resistance, points 14 to 41
14 to 43