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EN 1.4424 Stainless Steel vs. AWS ER80S-D2

Both EN 1.4424 stainless steel and AWS ER80S-D2 are iron alloys. They have 73% 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 1.4424 stainless steel and the bottom bar is AWS ER80S-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
19
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 800
620
Tensile Strength: Yield (Proof), MPa 480 to 500
540

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
47
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.6
Embodied Energy, MJ/kg 46
21
Embodied Water, L/kg 140
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 640
770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 3.5
13
Thermal Shock Resistance, points 23
18

Alloy Composition

Carbon (C), % 0 to 0.030
0.070 to 0.12
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 68.6 to 72.4
95.2 to 97.4
Manganese (Mn), % 1.2 to 2.0
1.6 to 2.1
Molybdenum (Mo), % 2.5 to 3.0
0.4 to 0.6
Nickel (Ni), % 4.5 to 5.2
0 to 0.15
Nitrogen (N), % 0.050 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 1.4 to 2.0
0.5 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Residuals, % 0
0 to 0.5