EN 1.4021 Stainless Steel vs. AWS E320LR

Both EN 1.4021 stainless steel and AWS E320LR are iron alloys. They have 52% of their average alloy composition in common. There are 21 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 EN 1.4021 stainless steel and the bottom bar is AWS E320LR.

EN 1.4021 (X20Cr13) Stainless Steel AWS E320LR (W88022) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		11 to 17
Elongation at Break, %		34

Poisson's Ratio		0.28
Poisson's Ratio		0.28

Shear Modulus, GPa		76
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		630 to 880
Tensile Strength: Ultimate (UTS), MPa		580

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		300

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

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

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		7.0
Base Metal Price, % relative		36

Density, g/cm³		7.7
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		1.9
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		27
Embodied Energy, MJ/kg		87

Embodied Water, L/kg		100
Embodied Water, L/kg		220

Common Calculations

PREN (Pitting Resistance)		13
PREN (Pitting Resistance)		28

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

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

Strength to Weight: Axial, points		23 to 31
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		21 to 26
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		22 to 31
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0.16 to 0.25
Carbon (C), %		0 to 0.030

Chromium (Cr), %		12 to 14
Chromium (Cr), %		19 to 21

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

Iron (Fe), %		83.2 to 87.8
Iron (Fe), %		32.7 to 42.5

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		2.0 to 3.0

Nickel (Ni), %		0
Nickel (Ni), %		32 to 36

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

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 0.3

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