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AWS E310 vs. AWS E2594

Both AWS E310 and AWS E2594 are iron alloys. Both are furnished in the as-welded condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is AWS E310 and the bottom bar is AWS E2594.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
17
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 620
850

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
4.3
Embodied Energy, MJ/kg 65
60
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 28
43
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
30
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 3.7
4.3
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0.080 to 0.2
0 to 0.040
Chromium (Cr), % 25 to 28
24 to 27
Copper (Cu), % 0 to 0.75
0 to 0.75
Iron (Fe), % 44.5 to 53.9
53.8 to 63.8
Manganese (Mn), % 1.0 to 2.5
0.5 to 2.0
Molybdenum (Mo), % 0 to 0.75
3.5 to 4.5
Nickel (Ni), % 20 to 22.5
8.0 to 10.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030