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AWS E240 vs. ASTM A588 Steel

Both AWS E240 and ASTM A588 steel are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
22
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 770
550

Thermal Properties

Latent Heat of Fusion, J/g 290
250 to 260
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410 to 1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
43 to 44
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.3 to 2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.5 to 1.6
Embodied Energy, MJ/kg 42
20 to 22
Embodied Water, L/kg 160
50 to 51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 19
16