AWS E320LR vs. EN 1.4981 Stainless Steel

Both AWS E320LR and EN 1.4981 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E320LR and the bottom bar is EN 1.4981 stainless steel.

AWS E320LR (W88022) Weld Metal EN 1.4981 (X8CrNiMoNb16-16) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		34
Elongation at Break, %		39

Poisson's Ratio		0.28
Poisson's Ratio		0.28

Shear Modulus, GPa		77
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		580
Tensile Strength: Ultimate (UTS), MPa		610

Thermal Properties

Latent Heat of Fusion, J/g		300
Latent Heat of Fusion, J/g		290

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		1400

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Base Metal Price, % relative		36
Base Metal Price, % relative		25

Density, g/cm³		8.2
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		6.2
Embodied Carbon, kg CO₂/kg material		4.8

Embodied Energy, MJ/kg		87
Embodied Energy, MJ/kg		67

Embodied Water, L/kg		220
Embodied Water, L/kg		150

Common Calculations

PREN (Pitting Resistance)		28
PREN (Pitting Resistance)		22

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

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

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		14

Alloy Composition

Carbon (C), %		0 to 0.030
Carbon (C), %		0.040 to 0.1

Chromium (Cr), %		19 to 21
Chromium (Cr), %		15.5 to 17.5

Copper (Cu), %		3.0 to 4.0
Copper (Cu), %		0

Iron (Fe), %		32.7 to 42.5
Iron (Fe), %		59.6 to 66.7

Manganese (Mn), %		1.5 to 2.5
Manganese (Mn), %		0 to 1.5

Molybdenum (Mo), %		2.0 to 3.0
Molybdenum (Mo), %		1.6 to 2.0

Nickel (Ni), %		32 to 36
Nickel (Ni), %		15.5 to 17.5

Niobium (Nb), %		0 to 0.4
Niobium (Nb), %		0.4 to 1.2

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.035

Silicon (Si), %		0 to 0.3
Silicon (Si), %		0.3 to 0.6

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