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AWS ER70S-A1 vs. ASTM A148 Cast Steel

Both AWS ER70S-A1 and ASTM A148 cast steel 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 AWS ER70S-A1 and the bottom bar is ASTM A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 260
250
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 50
37 to 47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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