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ASTM A204 Steel vs. AWS E120C-K4

Both ASTM A204 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 A204 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 22
17
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 520 to 590
950
Tensile Strength: Yield (Proof), MPa 290 to 330
840

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420 to 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
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
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 47
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
160
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
1880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
34
Strength to Weight: Bending, points 18 to 20
27
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 15 to 17
28