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AWS ER90S-B3 vs. N08020 Stainless Steel

Both AWS ER90S-B3 and N08020 stainless steel are iron alloys. They have 42% 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 ER90S-B3 and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
15 to 34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 690
610 to 620
Tensile Strength: Yield (Proof), MPa 620
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
38
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.8
6.6
Embodied Energy, MJ/kg 24
92
Embodied Water, L/kg 60
220

Common Calculations

PREN (Pitting Resistance) 6.0
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
180 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 20
15

Alloy Composition


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Carbon (C), % 0.070 to 0.12
0 to 0.070
Chromium (Cr), % 2.3 to 2.7
19 to 21
Copper (Cu), % 0 to 0.35
3.0 to 4.0
Iron (Fe), % 93.5 to 95.9
29.9 to 44
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.2
2.0 to 3.0
Nickel (Ni), % 0 to 0.2
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.4 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.035
Residuals, % 0 to 0.5
0