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AWS E320 vs. EN 1.7272 Steel

Both AWS E320 and EN 1.7272 steel are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E320 and the bottom bar is EN 1.7272 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 620
490 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 38
2.2
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
1.5
Embodied Energy, MJ/kg 91
19
Embodied Water, L/kg 220
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
17 to 59
Strength to Weight: Bending, points 20
18 to 40
Thermal Shock Resistance, points 16
14 to 48

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.070
0.28 to 0.33
Chromium (Cr), % 19 to 21
0.4 to 0.55
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 31.8 to 43.5
97.2 to 98.3
Manganese (Mn), % 0.5 to 2.5
0.9 to 1.2
Molybdenum (Mo), % 2.0 to 3.0
0.1 to 0.15
Nickel (Ni), % 32 to 36
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025