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AWS ERNi-1 vs. EN 1.4537 Stainless Steel

AWS ERNi-1 belongs to the nickel alloys classification, while EN 1.4537 stainless steel belongs to the iron alloys. They have a modest 27% 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 (10, in this case) are not shown.

For each property being compared, the top bar is AWS ERNi-1 and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Elongation at Break, % 22
42
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 69
80
Tensile Strength: Ultimate (UTS), MPa 470
700

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1390
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 73
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
34
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 11
6.1
Embodied Energy, MJ/kg 150
84
Embodied Water, L/kg 230
220

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 19
3.7
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.25
1.0 to 2.0
Iron (Fe), % 0 to 1.0
36.3 to 46.1
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
4.7 to 5.7
Nickel (Ni), % 93 to 98
24 to 27
Nitrogen (N), % 0
0.17 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 2.0 to 3.5
0
Residuals, % 0 to 0.5
0