ASTM A182 Grade F10 vs. SAE-AISI H21 Steel

Both ASTM A182 grade F10 and SAE-AISI H21 steel are iron alloys. They have 74% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F10 and the bottom bar is SAE-AISI H21 steel.

ASTM A182 Grade F10 (S33100) Steel SAE-AISI H21 (T20821) 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		74
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		630
Tensile Strength: Ultimate (UTS), MPa		720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		250

Melting Completion (Liquidus), °C		1420
Melting Completion (Liquidus), °C		1630

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		1580

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		18
Base Metal Price, % relative		23

Density, g/cm³		7.9
Density, g/cm³		8.5

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		4.5

Embodied Energy, MJ/kg		51
Embodied Energy, MJ/kg		68

Embodied Water, L/kg		120
Embodied Water, L/kg		72

Common Calculations

PREN (Pitting Resistance)		8.0
PREN (Pitting Resistance)		19

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

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		22
Strength to Weight: Axial, points		23 to 58

Strength to Weight: Bending, points		21
Strength to Weight: Bending, points		21 to 38

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		24 to 59

Alloy Composition

Carbon (C), %		0.1 to 0.2
Carbon (C), %		0.28 to 0.36

Chromium (Cr), %		7.0 to 9.0
Chromium (Cr), %		3.0 to 3.8

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

Iron (Fe), %		66.5 to 72.4
Iron (Fe), %		87.6 to 93.8

Manganese (Mn), %		0.5 to 0.8
Manganese (Mn), %		0.15 to 0.4

Nickel (Ni), %		19 to 22
Nickel (Ni), %		0 to 0.3

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

Silicon (Si), %		1.0 to 1.4
Silicon (Si), %		0.15 to 0.5

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

Tungsten (W), %		0
Tungsten (W), %		8.5 to 10

Vanadium (V), %		0
Vanadium (V), %		0.3 to 0.6