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AWS E409Nb vs. ASTM A209 Steel

Both AWS E409Nb and ASTM A209 steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E409Nb and the bottom bar is ASTM A209 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 500
420 to 460
Tensile Strength: Yield (Proof), MPa 380
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1420 to 1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
50
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 380
130 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
15 to 16
Strength to Weight: Bending, points 18
16 to 17
Thermal Diffusivity, mm2/s 6.8
13
Thermal Shock Resistance, points 14
12 to 14