SAE-AISI O6 Steel vs. AWS E320LR

Both SAE-AISI O6 steel and AWS E320LR are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O6 steel and the bottom bar is AWS E320LR.

SAE-AISI O6 (T31506) Oil-Hardening Steel AWS E320LR (W88022) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		180
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		71
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		670 to 2070
Tensile Strength: Ultimate (UTS), MPa		580

Thermal Properties

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

Melting Completion (Liquidus), °C		1430
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1390
Melting Onset (Solidus), °C		1360

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

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		2.3
Base Metal Price, % relative		36

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

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		21
Embodied Energy, MJ/kg		87

Embodied Water, L/kg		47
Embodied Water, L/kg		220

Common Calculations

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

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

Strength to Weight: Axial, points		24 to 74
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		22 to 47
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		22 to 69
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		1.3 to 1.6
Carbon (C), %		0 to 0.030

Chromium (Cr), %		0 to 0.3
Chromium (Cr), %		19 to 21

Copper (Cu), %		0 to 0.25
Copper (Cu), %		3.0 to 4.0

Iron (Fe), %		94.6 to 97.7
Iron (Fe), %		32.7 to 42.5

Manganese (Mn), %		0.3 to 1.1
Manganese (Mn), %		1.5 to 2.5

Molybdenum (Mo), %		0.2 to 0.3
Molybdenum (Mo), %		2.0 to 3.0

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		32 to 36

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

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0.55 to 1.5
Silicon (Si), %		0 to 0.3

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.015