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AWS E309H vs. EN 1.7108 Steel

Both AWS E309H and EN 1.7108 steel are iron alloys. They have 62% of their average alloy composition in common. There are 23 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 E309H and the bottom bar is EN 1.7108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 620
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.7
1.5
Embodied Energy, MJ/kg 52
20
Embodied Water, L/kg 180
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
24 to 75
Strength to Weight: Bending, points 21
22 to 47
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 16
20 to 63

Alloy Composition

Carbon (C), % 0.040 to 0.15
0.57 to 0.65
Chromium (Cr), % 22 to 25
0.2 to 0.45
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 55.8 to 65.5
95.9 to 96.9
Manganese (Mn), % 0.5 to 2.5
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
1.6 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.025