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EN 1.4669 Stainless Steel vs. AWS E90C-K3

Both EN 1.4669 stainless steel and AWS E90C-K3 are iron alloys. They have 74% of their average alloy composition in common. There are 27 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 EN 1.4669 stainless steel and the bottom bar is AWS E90C-K3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
55
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 780
710
Tensile Strength: Yield (Proof), MPa 450
600

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 38
23
Embodied Water, L/kg 160
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
370
Resilience: Unit (Modulus of Resilience), kJ/m3 510
980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.045
0 to 0.15
Chromium (Cr), % 21.5 to 24
0 to 0.15
Copper (Cu), % 1.6 to 3.0
0 to 0.35
Iron (Fe), % 65.2 to 74.8
92.6 to 98.5
Manganese (Mn), % 1.0 to 3.0
0.75 to 2.3
Molybdenum (Mo), % 0 to 0.5
0.25 to 0.65
Nickel (Ni), % 1.0 to 3.0
0.5 to 2.5
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5