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AWS ER90S-B9 vs. AWS ERNiCrMo-3

AWS ER90S-B9 belongs to the iron alloys classification, while AWS ERNiCrMo-3 belongs to the nickel alloys. There are 24 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 ER90S-B9 and the bottom bar is AWS ERNiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 690
870

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
80
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.6
14
Embodied Energy, MJ/kg 37
190
Embodied Water, L/kg 91
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 6.9
2.8
Thermal Shock Resistance, points 19
25

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.4
Carbon (C), % 0.070 to 0.13
0 to 0.010
Chromium (Cr), % 8.0 to 10.5
20 to 23
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 84.4 to 90.7
0 to 5.0
Manganese (Mn), % 0 to 1.2
0 to 0.5
Molybdenum (Mo), % 0.85 to 1.2
8.0 to 10
Nickel (Ni), % 0 to 0.8
58 to 68.9
Niobium (Nb), % 0.020 to 0.1
3.2 to 4.2
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0.15 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0 to 0.4
Vanadium (V), % 0.15 to 0.3
0
Residuals, % 0
0 to 0.5