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AWS ENiCrMo-10 vs. EN 1.4621 Stainless Steel

AWS ENiCrMo-10 belongs to the nickel alloys classification, while EN 1.4621 stainless steel belongs to the iron alloys. They have a modest 26% 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 (8, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCrMo-10 and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 28
25
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 710
500

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1550
1440
Melting Onset (Solidus), °C 1490
1390
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 10
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 12
2.8
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 300
140

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 2.7
5.7
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 20 to 22.5
20 to 21.5
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0.1 to 1.0
Iron (Fe), % 2.0 to 6.0
74.4 to 79.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 48.4 to 63
0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
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