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AWS E2595 vs. AWS E16-8-2

Both AWS E2595 and AWS E16-8-2 are iron alloys. Both are furnished in the as-welded condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is AWS E2595 and the bottom bar is AWS E16-8-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
40
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 850
620

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.4
3.2
Embodied Energy, MJ/kg 61
45
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 42
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.2
4.2
Thermal Shock Resistance, points 21
16

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 24 to 27
14.5 to 16.5
Copper (Cu), % 0.4 to 1.5
0 to 0.75
Iron (Fe), % 51.4 to 64.5
68 to 76.5
Manganese (Mn), % 0 to 2.5
0.5 to 2.5
Molybdenum (Mo), % 2.5 to 4.5
1.0 to 2.0
Nickel (Ni), % 8.0 to 10.5
7.5 to 9.5
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 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.4 to 1.0
0