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AWS E310Nb vs. EN 1.7725 Steel

Both AWS E310Nb and EN 1.7725 steel are iron alloys. They have 52% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E310Nb and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 620
830 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.3
1.8
Embodied Energy, MJ/kg 76
24
Embodied Water, L/kg 200
54

Common Calculations

PREN (Pitting Resistance) 28
2.8
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
29 to 35
Strength to Weight: Bending, points 20
25 to 28
Thermal Diffusivity, mm2/s 3.8
11
Thermal Shock Resistance, points 15
24 to 29

Alloy Composition

Carbon (C), % 0 to 0.12
0.27 to 0.34
Chromium (Cr), % 25 to 28
1.3 to 1.7
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 44.1 to 53.3
95.7 to 97.5
Manganese (Mn), % 1.0 to 2.5
0.6 to 1.0
Molybdenum (Mo), % 0 to 0.75
0.3 to 0.5
Nickel (Ni), % 20 to 22
0
Niobium (Nb), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15