ASTM Grade HL Steel vs. SAE-AISI H14 Steel

Both ASTM grade HL steel and SAE-AISI H14 steel are iron alloys. They have 54% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HL steel and the bottom bar is SAE-AISI H14 steel.

ASTM Grade HL (29Cr-20Ni, N08604) Cast Stainless Steel SAE-AISI H14 (T20814) Chromium Hot-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.27
Poisson's Ratio		0.29

Shear Modulus, GPa		80
Shear Modulus, GPa		75

Tensile Strength: Ultimate (UTS), MPa		500
Tensile Strength: Ultimate (UTS), MPa		710 to 2030

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1390
Melting Completion (Liquidus), °C		1530

Melting Onset (Solidus), °C		1340
Melting Onset (Solidus), °C		1490

Specific Heat Capacity, J/kg-K		490
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		15

Density, g/cm³		7.8
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		4.5
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		65
Embodied Energy, MJ/kg		39

Embodied Water, L/kg		210
Embodied Water, L/kg		73

Common Calculations

PREN (Pitting Resistance)		31
PREN (Pitting Resistance)		13

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

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

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		24 to 69

Strength to Weight: Bending, points		18
Strength to Weight: Bending, points		22 to 44

Thermal Shock Resistance, points		11
Thermal Shock Resistance, points		24 to 68

Alloy Composition

Carbon (C), %		0.2 to 0.6
Carbon (C), %		0.35 to 0.45

Chromium (Cr), %		28 to 32
Chromium (Cr), %		4.8 to 5.5

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

Iron (Fe), %		40.8 to 53.8
Iron (Fe), %		86.5 to 89.9

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0.2 to 0.5

Molybdenum (Mo), %		0 to 0.5
Molybdenum (Mo), %		0

Nickel (Ni), %		18 to 22
Nickel (Ni), %		0 to 0.3

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 2.0
Silicon (Si), %		0.8 to 1.2

Sulfur (S), %		0 to 0.040
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		4.0 to 5.3