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EN 1.4123 Stainless Steel vs. AWS ER80S-B2

Both EN 1.4123 stainless steel and AWS ER80S-B2 are iron alloys. They have 84% of their average alloy composition in common. There are 24 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 1.4123 stainless steel and the bottom bar is AWS ER80S-B2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 720 to 810
620

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.6
Embodied Energy, MJ/kg 62
21
Embodied Water, L/kg 120
54

Common Calculations

PREN (Pitting Resistance) 24
3.1
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 29
22
Strength to Weight: Bending, points 23 to 25
21
Thermal Diffusivity, mm2/s 6.3
11
Thermal Shock Resistance, points 26 to 29
18

Alloy Composition


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Carbon (C), % 0.35 to 0.5
0.070 to 0.12
Chromium (Cr), % 14 to 16.5
1.2 to 1.5
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 76.7 to 84.6
95.2 to 97.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 1.0 to 2.5
0.4 to 0.65
Nickel (Ni), % 0 to 0.5
0 to 0.2
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.4 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0 to 1.5
0
Residuals, % 0
0 to 0.5