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AWS E309Nb vs. EN 1.8505 Steel

Both AWS E309Nb and EN 1.8505 steel are iron alloys. They have 63% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E309Nb and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
13
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 620
1050

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.6
Embodied Energy, MJ/kg 64
22
Embodied Water, L/kg 180
65

Common Calculations

PREN (Pitting Resistance) 25
2.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
37
Strength to Weight: Bending, points 21
30
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 16
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.12
0.28 to 0.35
Chromium (Cr), % 22 to 25
1.5 to 1.8
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 54.8 to 64.8
95.4 to 97.1
Manganese (Mn), % 0.5 to 2.5
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.75
0.2 to 0.4
Nickel (Ni), % 12 to 14
0
Niobium (Nb), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035