SAE-AISI H12 Steel vs. Grade N12MV Nickel

SAE-AISI H12 steel belongs to the iron alloys classification, while grade N12MV nickel belongs to the nickel alloys. There are 19 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 H12 steel and the bottom bar is grade N12MV nickel.

SAE-AISI H12 (T20812) Chromium Hot-Work Steel Grade N12MV (J30012) Cast Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.29
Poisson's Ratio		0.31

Shear Modulus, GPa		75
Shear Modulus, GPa		84

Tensile Strength: Ultimate (UTS), MPa		690 to 1850
Tensile Strength: Ultimate (UTS), MPa		600

Thermal Properties

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

Melting Completion (Liquidus), °C		1480
Melting Completion (Liquidus), °C		1620

Melting Onset (Solidus), °C		1440
Melting Onset (Solidus), °C		1570

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		10

Otherwise Unclassified Properties

Base Metal Price, % relative		9.0
Base Metal Price, % relative		75

Density, g/cm³		7.9
Density, g/cm³		9.2

Embodied Carbon, kg CO₂/kg material		2.9
Embodied Carbon, kg CO₂/kg material		16

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		200

Embodied Water, L/kg		76
Embodied Water, L/kg		260

Common Calculations

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

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

Strength to Weight: Axial, points		24 to 65
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		22 to 42
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		22 to 60
Thermal Shock Resistance, points		19

Alloy Composition

Carbon (C), %		0.3 to 0.4
Carbon (C), %		0 to 0.12

Chromium (Cr), %		4.8 to 5.5
Chromium (Cr), %		0 to 1.0

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

Iron (Fe), %		87.8 to 91.7
Iron (Fe), %		4.0 to 6.0

Manganese (Mn), %		0.2 to 0.5
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		1.3 to 1.8
Molybdenum (Mo), %		26 to 30

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		60.2 to 69.8

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

Silicon (Si), %		0.8 to 1.2
Silicon (Si), %		0 to 1.0

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

Tungsten (W), %		1.0 to 1.7
Tungsten (W), %		0

Vanadium (V), %		0 to 0.5
Vanadium (V), %		0.2 to 0.6