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AWS E309Mo vs. ASTM A217 Cast Steel

Both AWS E309Mo and ASTM A217 cast steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E309Mo and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
21 to 27
Poisson's Ratio 0.28
0.28 to 0.29
Shear Modulus, GPa 79
73 to 75
Tensile Strength: Ultimate (UTS), MPa 620
540 to 710

Thermal Properties

Latent Heat of Fusion, J/g 300
250 to 270
Melting Completion (Liquidus), °C 1430
1450 to 1460
Melting Onset (Solidus), °C 1390
1410 to 1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
26 to 50
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3 to 9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.4 to 11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.4 to 7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.5 to 2.1
Embodied Energy, MJ/kg 59
20 to 28
Embodied Water, L/kg 180
47 to 87

Common Calculations

PREN (Pitting Resistance) 32
2.5 to 13
Stiffness to Weight: Axial, points 14
13 to 14
Stiffness to Weight: Bending, points 25
24 to 25
Strength to Weight: Axial, points 22
19 to 25
Strength to Weight: Bending, points 20
19 to 23
Thermal Diffusivity, mm2/s 3.9
6.9 to 14
Thermal Shock Resistance, points 15
16 to 20