ASTM A369 Grade FP12 vs. SAE-AISI M10 Steel

Both ASTM A369 grade FP12 and SAE-AISI M10 steel are iron alloys. They have 86% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP12 and the bottom bar is SAE-AISI M10 steel.

ASTM A369 Grade FP12 Cr-Mo Steel SAE-AISI M10 (T11310) Molybdenum High-Speed 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		0.29

Shear Modulus, GPa		73
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		470
Tensile Strength: Ultimate (UTS), MPa		740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1470
Melting Completion (Liquidus), °C		1520

Melting Onset (Solidus), °C		1430
Melting Onset (Solidus), °C		1470

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		460

Thermal Conductivity, W/m-K		45
Thermal Conductivity, W/m-K		31

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		2.8
Base Metal Price, % relative		14

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

Embodied Carbon, kg CO₂/kg material		1.6
Embodied Carbon, kg CO₂/kg material		8.3

Embodied Energy, MJ/kg		21
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		52
Embodied Water, L/kg		100

Common Calculations

PREN (Pitting Resistance)		2.8
PREN (Pitting Resistance)		31

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

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

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		26 to 76

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		23 to 47

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		8.5

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		23 to 68

Alloy Composition

Carbon (C), %		0.050 to 0.15
Carbon (C), %		0.84 to 1.1

Chromium (Cr), %		0.8 to 1.3
Chromium (Cr), %		3.8 to 4.5

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

Iron (Fe), %		96.8 to 98.4
Iron (Fe), %		82.3 to 85.6

Manganese (Mn), %		0.3 to 0.61
Manganese (Mn), %		0.1 to 0.4

Molybdenum (Mo), %		0.44 to 0.65
Molybdenum (Mo), %		7.8 to 8.5

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

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 0.5
Silicon (Si), %		0.2 to 0.45

Sulfur (S), %		0 to 0.025
Sulfur (S), %		0 to 0.030

Vanadium (V), %		0
Vanadium (V), %		1.8 to 2.2