EN 1.4646 Stainless Steel vs. AWS ERNiCu-7

EN 1.4646 stainless steel belongs to the iron alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. 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 1.4646 stainless steel and the bottom bar is AWS ERNiCu-7.

EN 1.4646 (X6CrMnNiCuN18-12-4-2) Stainless Steel AWS ERNiCu-7 (N04060) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		160

Elongation at Break, %		34
Elongation at Break, %		34

Poisson's Ratio		0.28
Poisson's Ratio		0.32

Shear Modulus, GPa		77
Shear Modulus, GPa		61

Tensile Strength: Ultimate (UTS), MPa		750
Tensile Strength: Ultimate (UTS), MPa		550

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		280

Melting Completion (Liquidus), °C		1390
Melting Completion (Liquidus), °C		1280

Melting Onset (Solidus), °C		1340
Melting Onset (Solidus), °C		1240

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		13
Base Metal Price, % relative		50

Density, g/cm³		7.7
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		8.5

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		160
Embodied Water, L/kg		250

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		10

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		16
Thermal Shock Resistance, points		19

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 1.3

Carbon (C), %		0.020 to 0.1
Carbon (C), %		0 to 0.15

Chromium (Cr), %		17 to 19
Chromium (Cr), %		0

Copper (Cu), %		1.5 to 3.0
Copper (Cu), %		18.3 to 36.5

Iron (Fe), %		59 to 67.3
Iron (Fe), %		0 to 2.5

Manganese (Mn), %		10.5 to 12.5
Manganese (Mn), %		0 to 4.0

Molybdenum (Mo), %		0 to 0.5
Molybdenum (Mo), %		0

Nickel (Ni), %		3.5 to 4.5
Nickel (Ni), %		62 to 69

Nitrogen (N), %		0.2 to 0.3
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.050
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 1.3

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0 to 0.015

Titanium (Ti), %		0
Titanium (Ti), %		1.5 to 3.0

Residuals, %		0
Residuals, %		0 to 0.5