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EN 1.4971 Stainless Steel vs. AWS ENiCrMo-10

EN 1.4971 stainless steel belongs to the iron alloys classification, while AWS ENiCrMo-10 belongs to the nickel alloys. They have 53% of their average alloy composition in common. There are 22 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 ENiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 34
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
84
Tensile Strength: Ultimate (UTS), MPa 800
710

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1460
1550
Melting Onset (Solidus), °C 1410
1490
Specific Heat Capacity, J/kg-K 450
420
Thermal Conductivity, W/m-K 13
10
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
70
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 7.6
12
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 300
300

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.4
2.7
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.020
Chromium (Cr), % 20 to 22.5
20 to 22.5
Cobalt (Co), % 18.5 to 21
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 24.3 to 37.1
2.0 to 6.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
12.5 to 14.5
Nickel (Ni), % 19 to 21
48.4 to 63
Niobium (Nb), % 0.75 to 1.3
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 0.2
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 2.0 to 3.0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5