SAE-AISI 9254 Steel vs. SAE-AISI H26 Steel

Both SAE-AISI 9254 steel and SAE-AISI H26 steel are iron alloys. They have 77% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is SAE-AISI H26 steel.

SAE-AISI 9254 (G92540) Silicon-Chromium Steel SAE-AISI H26 (T20826) Tungsten Hot-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		210

Poisson's Ratio		0.29
Poisson's Ratio		0.29

Shear Modulus, GPa		72
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		660
Tensile Strength: Ultimate (UTS), MPa		720 to 2100

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		240

Melting Completion (Liquidus), °C		1440
Melting Completion (Liquidus), °C		1810

Melting Onset (Solidus), °C		1400
Melting Onset (Solidus), °C		1760

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		410

Thermal Conductivity, W/m-K		46
Thermal Conductivity, W/m-K		22

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

Otherwise Unclassified Properties

Base Metal Price, % relative		2.2
Base Metal Price, % relative		45

Density, g/cm³		7.7
Density, g/cm³		9.3

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		8.1

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		49
Embodied Water, L/kg		90

Common Calculations

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

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		24
Strength to Weight: Axial, points		22 to 63

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		19 to 39

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		5.6

Thermal Shock Resistance, points		20
Thermal Shock Resistance, points		22 to 63

Alloy Composition

Carbon (C), %		0.51 to 0.59
Carbon (C), %		0.45 to 0.55

Chromium (Cr), %		0.6 to 0.8
Chromium (Cr), %		3.8 to 4.5

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

Iron (Fe), %		96.1 to 97.1
Iron (Fe), %		73.3 to 77.5

Manganese (Mn), %		0.6 to 0.8
Manganese (Mn), %		0.15 to 0.4

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

Phosphorus (P), %		0 to 0.035
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		1.2 to 1.6
Silicon (Si), %		0.15 to 0.4

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

Tungsten (W), %		0
Tungsten (W), %		17.3 to 19

Vanadium (V), %		0
Vanadium (V), %		0.75 to 1.3