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AWS ERNiCr-3 vs. EN 1.4618 Stainless Steel

AWS ERNiCr-3 belongs to the nickel alloys classification, while EN 1.4618 stainless steel belongs to the iron alloys. They have a modest 28% 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 AWS ERNiCr-3 and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
51
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 630
680 to 700

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1330
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 11
2.7
Embodied Energy, MJ/kg 160
39
Embodied Water, L/kg 280
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 21
24 to 25
Strength to Weight: Bending, points 19
22 to 23
Thermal Shock Resistance, points 18
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 18 to 22
16.5 to 18.5
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
1.0 to 2.5
Iron (Fe), % 0 to 3.0
62.7 to 72.5
Manganese (Mn), % 2.5 to 3.5
5.5 to 9.5
Nickel (Ni), % 67 to 77.5
4.5 to 5.5
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.070
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.75
0
Residuals, % 0 to 0.5
0