SAE-AISI P5 Steel vs. S32615 Stainless Steel

Both SAE-AISI P5 steel and S32615 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P5 steel and the bottom bar is S32615 stainless steel.

SAE-AISI P5 (T51605) Low-Carbon Mould Steel UNS S32615 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		75

Tensile Strength: Ultimate (UTS), MPa		370 to 1980
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		370

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1350

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1310

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		15

Otherwise Unclassified Properties

Base Metal Price, % relative		2.8
Base Metal Price, % relative		24

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

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		4.4

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		63

Embodied Water, L/kg		56
Embodied Water, L/kg		170

Common Calculations

PREN (Pitting Resistance)		2.3
PREN (Pitting Resistance)		21

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		23

Strength to Weight: Bending, points		15 to 45
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		12 to 65
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.070

Chromium (Cr), %		2.0 to 2.5
Chromium (Cr), %		16.5 to 19.5

Copper (Cu), %		0 to 0.25
Copper (Cu), %		1.5 to 2.5

Iron (Fe), %		95.7 to 97.8
Iron (Fe), %		46.4 to 57.9

Manganese (Mn), %		0.2 to 0.6
Manganese (Mn), %		0 to 2.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0.3 to 1.5

Nickel (Ni), %		0 to 0.35
Nickel (Ni), %		19 to 22

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

Silicon (Si), %		0 to 0.4
Silicon (Si), %		4.8 to 6.0

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