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ASTM A148 Cast Steel vs. AWS ER70S-A1

Both ASTM A148 cast steel and AWS ER70S-A1 are iron alloys. There are 27 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 A148 cast steel and the bottom bar is AWS ER70S-A1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 25
22
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
590
Tensile Strength: Yield (Proof), MPa 390 to 1160
450

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37 to 47
50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
1.5
Embodied Energy, MJ/kg 20 to 22
20
Embodied Water, L/kg 48 to 53
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 46
21
Strength to Weight: Bending, points 21 to 34
20
Thermal Diffusivity, mm2/s 9.9 to 13
14
Thermal Shock Resistance, points 18 to 38
17