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AWS ER90S-B9 vs. EN 1.7117 Steel

Both AWS ER90S-B9 and EN 1.7117 steel are iron alloys. They have 90% of their average alloy composition in common. There are 23 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 ER90S-B9 and the bottom bar is EN 1.7117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 690
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 37
21
Embodied Water, L/kg 91
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24 to 69
Strength to Weight: Bending, points 22
22 to 44
Thermal Diffusivity, mm2/s 6.9
12
Thermal Shock Resistance, points 19
20 to 58

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.070 to 0.13
0.49 to 0.56
Chromium (Cr), % 8.0 to 10.5
0.7 to 1.0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 84.4 to 90.7
95.2 to 96.4
Manganese (Mn), % 0 to 1.2
0.7 to 1.0
Molybdenum (Mo), % 0.85 to 1.2
0
Nickel (Ni), % 0 to 0.8
0.5 to 0.7
Niobium (Nb), % 0.020 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0.15 to 0.5
1.2 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0.15 to 0.3
0
Residuals, % 0 to 0.5
0