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AWS E2595 vs. AWS E310H

Both AWS E2595 and AWS E310H 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 E2595 and the bottom bar is AWS E310H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
11
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 850
690

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 14
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.4
4.6
Embodied Energy, MJ/kg 61
65
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 42
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
25
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 4.2
3.8
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0 to 0.040
0.35 to 0.45
Chromium (Cr), % 24 to 27
25 to 28
Copper (Cu), % 0.4 to 1.5
0 to 0.75
Iron (Fe), % 51.4 to 64.5
44.2 to 53.7
Manganese (Mn), % 0 to 2.5
1.0 to 2.5
Molybdenum (Mo), % 2.5 to 4.5
0 to 0.75
Nickel (Ni), % 8.0 to 10.5
20 to 22.5
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.2
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.4 to 1.0
0