Annealed SAE-AISI H19 vs. Annealed SAE-AISI T2

Both annealed SAE-AISI H19 and annealed SAE-AISI T2 are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is annealed SAE-AISI H19 and the bottom bar is annealed SAE-AISI T2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		220
Brinell Hardness		230

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		75
Shear Modulus, GPa		79

Tensile Strength: Ultimate (UTS), MPa		720
Tensile Strength: Ultimate (UTS), MPa		780

Thermal Properties

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

Melting Completion (Liquidus), °C		1540
Melting Completion (Liquidus), °C		1820

Melting Onset (Solidus), °C		1490
Melting Onset (Solidus), °C		1760

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		410

Thermal Conductivity, W/m-K		29
Thermal Conductivity, W/m-K		19

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

Otherwise Unclassified Properties

Base Metal Price, % relative		22
Base Metal Price, % relative		46

Density, g/cm³		8.2
Density, g/cm³		9.3

Embodied Carbon, kg CO₂/kg material		7.5
Embodied Carbon, kg CO₂/kg material		11

Embodied Energy, MJ/kg		110
Embodied Energy, MJ/kg		170

Embodied Water, L/kg		110
Embodied Water, L/kg		98

Common Calculations

PREN (Pitting Resistance)		13
PREN (Pitting Resistance)		36

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

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		24
Strength to Weight: Axial, points		23

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		20

Thermal Diffusivity, mm²/s		7.9
Thermal Diffusivity, mm²/s		4.9

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		23

Alloy Composition

Carbon (C), %		0.32 to 0.45
Carbon (C), %		0.8 to 0.9

Chromium (Cr), %		4.0 to 4.8
Chromium (Cr), %		3.8 to 4.5

Cobalt (Co), %		4.0 to 4.5
Cobalt (Co), %		0

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

Iron (Fe), %		81.4 to 85.5
Iron (Fe), %		70.8 to 75.8

Manganese (Mn), %		0.2 to 0.5
Manganese (Mn), %		0.2 to 0.4

Molybdenum (Mo), %		0.3 to 0.55
Molybdenum (Mo), %		0 to 1.0

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

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

Silicon (Si), %		0.2 to 0.5
Silicon (Si), %		0.2 to 0.4

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

Tungsten (W), %		3.8 to 4.5
Tungsten (W), %		17.5 to 19

Vanadium (V), %		1.8 to 2.2
Vanadium (V), %		1.8 to 2.4