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AWS E2595 vs. AWS E2553

Both AWS E2595 and AWS E2553 are iron alloys. Both are furnished in the as-welded condition. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is AWS E2595 and the bottom bar is AWS E2553.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 14
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
21
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.4
4.0
Embodied Energy, MJ/kg 61
56
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 42
40
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
30
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 4.2
4.3
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.060
Chromium (Cr), % 24 to 27
24 to 27
Copper (Cu), % 0.4 to 1.5
1.5 to 2.5
Iron (Fe), % 51.4 to 64.5
55.2 to 64.5
Manganese (Mn), % 0 to 2.5
0.5 to 1.5
Molybdenum (Mo), % 2.5 to 4.5
2.9 to 3.9
Nickel (Ni), % 8.0 to 10.5
6.5 to 8.5
Nitrogen (N), % 0.2 to 0.3
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.4 to 1.0
0