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AWS ER90S-D2 vs. ASTM A732 Cast Steel

Both AWS ER90S-D2 and ASTM A732 cast steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-D2 and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
4.0 to 25
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72 to 73
Tensile Strength: Ultimate (UTS), MPa 710
460 to 1470
Tensile Strength: Yield (Proof), MPa 600
310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 260
250 to 260
Melting Completion (Liquidus), °C 1450
1440 to 1460
Melting Onset (Solidus), °C 1410
1400 to 1420
Specific Heat Capacity, J/kg-K 470
470 to 480
Thermal Conductivity, W/m-K 47
39 to 50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.0 to 3.8
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 1.6
1.4 to 1.7
Embodied Energy, MJ/kg 21
19 to 24
Embodied Water, L/kg 50
47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
45 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 980
260 to 4770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
16 to 52
Strength to Weight: Bending, points 23
17 to 37
Thermal Diffusivity, mm2/s 13
10 to 14
Thermal Shock Resistance, points 21
14 to 43