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EN 1.4971 Stainless Steel vs. AWS ENiCrFe-2

EN 1.4971 stainless steel belongs to the iron alloys classification, while AWS ENiCrFe-2 belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is AWS ENiCrFe-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
28
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 81
74
Tensile Strength: Ultimate (UTS), MPa 800
790

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
65
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 7.6
11
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 300
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 19
24

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.1
Chromium (Cr), % 20 to 22.5
13 to 17
Cobalt (Co), % 18.5 to 21
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 24.3 to 37.1
0 to 12
Manganese (Mn), % 0 to 2.0
1.0 to 3.5
Molybdenum (Mo), % 2.5 to 3.5
0.5 to 2.5
Nickel (Ni), % 19 to 21
62 to 85
Niobium (Nb), % 0.75 to 1.3
0.5 to 4.0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.5