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AWS E320 vs. EN 1.7767 Steel

Both AWS E320 and EN 1.7767 steel are iron alloys. They have 43% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E320 and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 620
670 to 690

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 38
4.5
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.5
2.4
Embodied Energy, MJ/kg 91
33
Embodied Water, L/kg 220
64

Common Calculations

PREN (Pitting Resistance) 28
6.4
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 16
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0.1 to 0.15
Chromium (Cr), % 19 to 21
2.8 to 3.3
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 31.8 to 43.5
93.8 to 95.8
Manganese (Mn), % 0.5 to 2.5
0.3 to 0.6
Molybdenum (Mo), % 2.0 to 3.0
0.9 to 1.1
Nickel (Ni), % 32 to 36
0 to 0.25
Niobium (Nb), % 0 to 1.0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.6
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3