SAE-AISI P5 Steel vs. EN 1.4378 Stainless Steel

Both SAE-AISI P5 steel and EN 1.4378 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 20 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 P5 steel and the bottom bar is EN 1.4378 stainless steel.

SAE-AISI P5 (T51605) Low-Carbon Mould Steel EN 1.4378 (X6CrMnNiN18-13-3) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		73
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		370 to 1980
Tensile Strength: Ultimate (UTS), MPa		760 to 1130

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		290

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1390

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1350

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		2.8
Base Metal Price, % relative		12

Density, g/cm³		7.8
Density, g/cm³		7.6

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		39

Embodied Water, L/kg		56
Embodied Water, L/kg		150

Common Calculations

PREN (Pitting Resistance)		2.3
PREN (Pitting Resistance)		23

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

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

Strength to Weight: Axial, points		13 to 70
Strength to Weight: Axial, points		28 to 41

Strength to Weight: Bending, points		15 to 45
Strength to Weight: Bending, points		24 to 31

Thermal Shock Resistance, points		12 to 65
Thermal Shock Resistance, points		16 to 23

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.080

Chromium (Cr), %		2.0 to 2.5
Chromium (Cr), %		17 to 19

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

Iron (Fe), %		95.7 to 97.8
Iron (Fe), %		61.2 to 69

Manganese (Mn), %		0.2 to 0.6
Manganese (Mn), %		11.5 to 14.5

Nickel (Ni), %		0 to 0.35
Nickel (Ni), %		2.3 to 3.7

Nitrogen (N), %		0
Nitrogen (N), %		0.2 to 0.4

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.060

Silicon (Si), %		0 to 0.4
Silicon (Si), %		0 to 1.0

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