SAE-AISI O6 Steel vs. EN 1.4710 Stainless Steel

Both SAE-AISI O6 steel and EN 1.4710 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O6 steel and the bottom bar is EN 1.4710 stainless steel.

SAE-AISI O6 (T31506) Oil-Hardening Steel EN 1.4710 (GX30CrSi7) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		180
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.29
Poisson's Ratio		0.29

Shear Modulus, GPa		71
Shear Modulus, GPa		74

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		290

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

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

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

Thermal Conductivity, W/m-K		43
Thermal Conductivity, W/m-K		24

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		7.4
Electrical Conductivity: Equal Volume, % IACS		6.4

Electrical Conductivity: Equal Weight (Specific), % IACS		8.6
Electrical Conductivity: Equal Weight (Specific), % IACS		7.5

Otherwise Unclassified Properties

Base Metal Price, % relative		2.3
Base Metal Price, % relative		5.0

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

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		1.8

Embodied Energy, MJ/kg		21
Embodied Energy, MJ/kg		24

Embodied Water, L/kg		47
Embodied Water, L/kg		76

Common Calculations

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

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

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		6.5

Alloy Composition

Carbon (C), %		1.3 to 1.6
Carbon (C), %		0.2 to 0.35

Chromium (Cr), %		0 to 0.3
Chromium (Cr), %		6.0 to 8.0

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

Iron (Fe), %		94.6 to 97.7
Iron (Fe), %		87.4 to 92.3

Manganese (Mn), %		0.3 to 1.1
Manganese (Mn), %		0.5 to 1.0

Molybdenum (Mo), %		0.2 to 0.3
Molybdenum (Mo), %		0 to 0.15

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		0 to 0.5

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.035

Silicon (Si), %		0.55 to 1.5
Silicon (Si), %		1.0 to 2.5

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