AWS ER80S-Ni3 vs. EN 1.4729 Stainless Steel

Both AWS ER80S-Ni3 and EN 1.4729 stainless steel are iron alloys. They have 85% 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 AWS ER80S-Ni3 and the bottom bar is EN 1.4729 stainless steel.

AWS ER80S-Ni3 or ER55S-Ni3 (K31240) Weld Metal EN 1.4729 (GX40CrSi13) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		27
Elongation at Break, %		15

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		72
Shear Modulus, GPa		75

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		1450
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		1410
Melting Onset (Solidus), °C		1380

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		490

Thermal Conductivity, W/m-K		51
Thermal Conductivity, W/m-K		24

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		7.4
Electrical Conductivity: Equal Volume, % IACS		2.8

Electrical Conductivity: Equal Weight (Specific), % IACS		8.5
Electrical Conductivity: Equal Weight (Specific), % IACS		3.3

Otherwise Unclassified Properties

Base Metal Price, % relative		4.0
Base Metal Price, % relative		7.5

Density, g/cm³		7.8
Density, g/cm³		7.6

Embodied Carbon, kg CO₂/kg material		1.7
Embodied Carbon, kg CO₂/kg material		2.1

Embodied Energy, MJ/kg		23
Embodied Energy, MJ/kg		29

Embodied Water, L/kg		52
Embodied Water, L/kg		100

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		25

Thermal Diffusivity, mm²/s		14
Thermal Diffusivity, mm²/s		6.5

Alloy Composition

Carbon (C), %		0 to 0.12
Carbon (C), %		0.3 to 0.5

Chromium (Cr), %		0
Chromium (Cr), %		12 to 14

Copper (Cu), %		0 to 0.35
Copper (Cu), %		0

Iron (Fe), %		93.2 to 96.6
Iron (Fe), %		80.4 to 86.7

Manganese (Mn), %		0 to 1.3
Manganese (Mn), %		0 to 1.0

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

Nickel (Ni), %		3.0 to 3.8
Nickel (Ni), %		0 to 1.0

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0.4 to 0.8
Silicon (Si), %		1.0 to 2.5

Sulfur (S), %		0 to 0.025
Sulfur (S), %		0 to 0.030

Residuals, %		0 to 0.5
Residuals, %		0