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AWS ER90S-D2 vs. ASTM A217 Cast Steel

Both AWS ER90S-D2 and ASTM A217 cast steel are iron alloys. There are 27 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 AWS ER90S-D2 and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
21 to 27
Poisson's Ratio 0.29
0.28 to 0.29
Shear Modulus, GPa 73
73 to 75
Tensile Strength: Ultimate (UTS), MPa 710
540 to 710
Tensile Strength: Yield (Proof), MPa 600
270 to 460

Thermal Properties

Latent Heat of Fusion, J/g 260
250 to 270
Melting Completion (Liquidus), °C 1450
1450 to 1460
Melting Onset (Solidus), °C 1410
1410 to 1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
26 to 50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3 to 9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.4 to 11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.4 to 7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5 to 2.1
Embodied Energy, MJ/kg 21
20 to 28
Embodied Water, L/kg 50
47 to 87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 980
190 to 570
Stiffness to Weight: Axial, points 13
13 to 14
Stiffness to Weight: Bending, points 24
24 to 25
Strength to Weight: Axial, points 25
19 to 25
Strength to Weight: Bending, points 23
19 to 23
Thermal Diffusivity, mm2/s 13
6.9 to 14
Thermal Shock Resistance, points 21
16 to 20