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AWS E383 vs. EN 1.7703 Steel

Both AWS E383 and EN 1.7703 steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 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 E383 and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
20
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 580
670 to 690

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.2
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.4
2.5
Embodied Energy, MJ/kg 89
35
Embodied Water, L/kg 240
61

Common Calculations

PREN (Pitting Resistance) 40
5.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.1
11
Thermal Shock Resistance, points 15
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.11 to 0.15
Chromium (Cr), % 26.5 to 29
2.0 to 2.5
Copper (Cu), % 0.6 to 1.5
0 to 0.2
Iron (Fe), % 28.8 to 39.2
94.6 to 96.4
Manganese (Mn), % 0.5 to 2.5
0.3 to 0.6
Molybdenum (Mo), % 3.2 to 4.2
0.9 to 1.1
Nickel (Ni), % 30 to 33
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 0.9
0 to 0.1
Sulfur (S), % 0 to 0.020
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35