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AWS ER90S-B3 vs. EN 1.4669 Stainless Steel

Both AWS ER90S-B3 and EN 1.4669 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 28 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 ER90S-B3 and the bottom bar is EN 1.4669 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
28
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 690
780
Tensile Strength: Yield (Proof), MPa 620
450

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.6
Embodied Energy, MJ/kg 24
38
Embodied Water, L/kg 60
160

Common Calculations

PREN (Pitting Resistance) 6.0
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
510
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 20
21

Alloy Composition


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Carbon (C), % 0.070 to 0.12
0 to 0.045
Chromium (Cr), % 2.3 to 2.7
21.5 to 24
Copper (Cu), % 0 to 0.35
1.6 to 3.0
Iron (Fe), % 93.5 to 95.9
65.2 to 74.8
Manganese (Mn), % 0.4 to 0.7
1.0 to 3.0
Molybdenum (Mo), % 0.9 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 0.2
1.0 to 3.0
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0