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AWS ENiCrMo-10 vs. EN 1.4821 Stainless Steel

AWS ENiCrMo-10 belongs to the nickel alloys classification, while EN 1.4821 stainless steel belongs to the iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCrMo-10 and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 28
18
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 84
79
Tensile Strength: Ultimate (UTS), MPa 710
730

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1550
1410
Melting Onset (Solidus), °C 1490
1370
Specific Heat Capacity, J/kg-K 420
490
Thermal Conductivity, W/m-K 10
17
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 12
2.9
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 300
160

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 2.7
4.6
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.020
0.1 to 0.2
Chromium (Cr), % 20 to 22.5
24.5 to 26.5
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.0 to 6.0
64.2 to 71.1
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 48.4 to 63
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.2
0.8 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0