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ASTM A572 Steel vs. AWS E120C-K4

Both ASTM A572 steel and AWS E120C-K4 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 A572 steel and the bottom bar is AWS E120C-K4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 25
17
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 470 to 620
950
Tensile Strength: Yield (Proof), MPa 330 to 510
840

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 22
23
Embodied Water, L/kg 47
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
160
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
1880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 22
34
Strength to Weight: Bending, points 17 to 21
27
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 14 to 18
28