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AWS E3155 vs. AWS E2594

Both AWS E3155 and AWS E2594 are iron alloys. Both are furnished in the as-welded condition. They have 65% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is AWS E2594.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 23
17
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 770
850

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
22
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.7
4.3
Embodied Energy, MJ/kg 110
60
Embodied Water, L/kg 300
190

Common Calculations

PREN (Pitting Resistance) 35
43
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
30
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 20
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.040
Chromium (Cr), % 20 to 22.5
24 to 27
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.75
Iron (Fe), % 23.3 to 36.3
53.8 to 63.8
Manganese (Mn), % 1.0 to 2.5
0.5 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
3.5 to 4.5
Nickel (Ni), % 19 to 21
8.0 to 10.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0