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ASTM A217 Cast Steel vs. AWS ER90S-B9

Both ASTM A217 cast steel and AWS ER90S-B9 are iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is AWS ER90S-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 27
18
Poisson's Ratio 0.28 to 0.29
0.28
Shear Modulus, GPa 73 to 75
75
Tensile Strength: Ultimate (UTS), MPa 540 to 710
690
Tensile Strength: Yield (Proof), MPa 270 to 460
470

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
270
Melting Completion (Liquidus), °C 1450 to 1460
1450
Melting Onset (Solidus), °C 1410 to 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26 to 50
25
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 9.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4 to 11
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 7.0
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
2.6
Embodied Energy, MJ/kg 20 to 28
37
Embodied Water, L/kg 47 to 87
91

Common Calculations

PREN (Pitting Resistance) 2.5 to 13
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 570
570
Stiffness to Weight: Axial, points 13 to 14
14
Stiffness to Weight: Bending, points 24 to 25
25
Strength to Weight: Axial, points 19 to 25
25
Strength to Weight: Bending, points 19 to 23
22
Thermal Diffusivity, mm2/s 6.9 to 14
6.9
Thermal Shock Resistance, points 16 to 20
19