ASTM Grade LC2-1 Steel vs. SAE-AISI H25 Steel

Both ASTM grade LC2-1 steel and SAE-AISI H25 steel are iron alloys. They have 82% 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 grade LC2-1 steel and the bottom bar is SAE-AISI H25 steel.

ASTM Grade LC2-1 (J42215) Cast Alloy Steel SAE-AISI H25 (T20825) Tungsten Hot-Work 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		79

Tensile Strength: Ultimate (UTS), MPa		810
Tensile Strength: Ultimate (UTS), MPa		710 to 1620

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		250

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1750

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1700

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		420

Thermal Conductivity, W/m-K		46
Thermal Conductivity, W/m-K		26

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

Otherwise Unclassified Properties

Base Metal Price, % relative		5.0
Base Metal Price, % relative		38

Density, g/cm³		7.9
Density, g/cm³		9.1

Embodied Carbon, kg CO₂/kg material		1.9
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		25
Embodied Energy, MJ/kg		93

Embodied Water, L/kg		60
Embodied Water, L/kg		83

Common Calculations

PREN (Pitting Resistance)		3.1
PREN (Pitting Resistance)		29

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		29
Strength to Weight: Axial, points		22 to 50

Strength to Weight: Bending, points		25
Strength to Weight: Bending, points		20 to 34

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		6.7

Thermal Shock Resistance, points		24
Thermal Shock Resistance, points		22 to 49

Alloy Composition

Carbon (C), %		0 to 0.22
Carbon (C), %		0.22 to 0.32

Chromium (Cr), %		1.4 to 1.9
Chromium (Cr), %		3.8 to 4.5

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

Iron (Fe), %		92.5 to 95.3
Iron (Fe), %		77.2 to 81.3

Manganese (Mn), %		0.55 to 0.75
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0.3 to 0.6
Molybdenum (Mo), %		0

Nickel (Ni), %		2.5 to 3.5
Nickel (Ni), %		0 to 0.3

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

Silicon (Si), %		0 to 0.5
Silicon (Si), %		0.15 to 0.4

Sulfur (S), %		0 to 0.045
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		14 to 16

Vanadium (V), %		0
Vanadium (V), %		0.4 to 0.6