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EN 1.4401 Stainless Steel vs. AWS ENiCrCoMo-1

EN 1.4401 stainless steel belongs to the iron alloys classification, while AWS ENiCrCoMo-1 belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is AWS ENiCrCoMo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 40
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
82
Tensile Strength: Ultimate (UTS), MPa 600 to 900
710

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
75
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 3.8
11
Embodied Energy, MJ/kg 52
140
Embodied Water, L/kg 150
340

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 32
23
Strength to Weight: Bending, points 20 to 26
21
Thermal Shock Resistance, points 13 to 20
19

Alloy Composition

Carbon (C), % 0 to 0.070
0.050 to 0.15
Chromium (Cr), % 16.5 to 18.5
21 to 26
Cobalt (Co), % 0
9.0 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.8 to 71.5
0 to 5.0
Manganese (Mn), % 0 to 2.0
0.3 to 2.5
Molybdenum (Mo), % 2.0 to 2.5
8.0 to 10
Nickel (Ni), % 10 to 13
38.6 to 61.7
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.015
Residuals, % 0
0 to 0.5