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AWS E409Nb vs. EN 1.6570 Steel

Both AWS E409Nb and EN 1.6570 steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E409Nb and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
11 to 17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 500
910 to 1130
Tensile Strength: Yield (Proof), MPa 380
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 42
23
Embodied Water, L/kg 100
56

Common Calculations

PREN (Pitting Resistance) 14
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 380
1520 to 3010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
32 to 40
Strength to Weight: Bending, points 18
27 to 31
Thermal Diffusivity, mm2/s 6.8
11
Thermal Shock Resistance, points 14
27 to 33

Alloy Composition

Carbon (C), % 0 to 0.12
0.28 to 0.35
Chromium (Cr), % 11 to 14
1.0 to 1.4
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 80.2 to 88.5
94 to 96.2
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0 to 0.75
0.3 to 0.5
Nickel (Ni), % 0 to 0.6
1.6 to 2.1
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015