SAE-AISI P3 Steel vs. EN 1.3975 Stainless Steel

Both SAE-AISI P3 steel and EN 1.3975 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P3 steel and the bottom bar is EN 1.3975 stainless steel.

SAE-AISI P3 (T51603) Low-Carbon Mould Steel EN 1.3975 (GX3CrNiMnSi17-9-8) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		73
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		410 to 1980
Tensile Strength: Ultimate (UTS), MPa		660

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		340

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1360

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1320

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		500

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Base Metal Price, % relative		2.8
Base Metal Price, % relative		15

Density, g/cm³		7.9
Density, g/cm³		7.5

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		3.3

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		47

Embodied Water, L/kg		50
Embodied Water, L/kg		150

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		26

Strength to Weight: Axial, points		15 to 70
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		16 to 44
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		14 to 65
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.050

Chromium (Cr), %		0.4 to 0.75
Chromium (Cr), %		16 to 18

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

Iron (Fe), %		96.3 to 98.4
Iron (Fe), %		58.2 to 65.4

Manganese (Mn), %		0.2 to 0.6
Manganese (Mn), %		7.0 to 9.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 1.0

Nickel (Ni), %		1.0 to 1.5
Nickel (Ni), %		8.0 to 9.0

Nitrogen (N), %		0
Nitrogen (N), %		0.080 to 0.18

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.045

Silicon (Si), %		0 to 0.4
Silicon (Si), %		3.5 to 4.5

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