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AWS E383 vs. AWS E2593

Both AWS E383 and AWS E2593 are iron alloys. Both are furnished in the as-welded condition. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is AWS E383 and the bottom bar is AWS E2593.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
17
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 580
850

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
4.2
Embodied Energy, MJ/kg 89
59
Embodied Water, L/kg 240
190

Common Calculations

PREN (Pitting Resistance) 40
39
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
30
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 3.1
4.3
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 26.5 to 29
24 to 27
Copper (Cu), % 0.6 to 1.5
1.5 to 3.0
Iron (Fe), % 28.8 to 39.2
52.7 to 62.5
Manganese (Mn), % 0.5 to 2.5
0.5 to 1.5
Molybdenum (Mo), % 3.2 to 4.2
2.9 to 3.9
Nickel (Ni), % 30 to 33
8.5 to 10.5
Nitrogen (N), % 0
0.080 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030