SAE-AISI H42 Steel vs. Grade N12MV Nickel

SAE-AISI H42 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 (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is grade N12MV nickel.

SAE-AISI H42 (T20842) Molybdenum Hot-Work Steel Grade N12MV (J30012) Cast Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.29
Poisson's Ratio		0.31

Shear Modulus, GPa		77
Shear Modulus, GPa		84

Tensile Strength: Ultimate (UTS), MPa		700 to 1980
Tensile Strength: Ultimate (UTS), MPa		600

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		320

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

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

Specific Heat Capacity, J/kg-K		440
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		24
Base Metal Price, % relative		75

Density, g/cm³		8.4
Density, g/cm³		9.2

Embodied Carbon, kg CO₂/kg material		8.8
Embodied Carbon, kg CO₂/kg material		16

Embodied Energy, MJ/kg		130
Embodied Energy, MJ/kg		200

Embodied Water, L/kg		98
Embodied Water, L/kg		260

Common Calculations

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

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		23 to 65
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		21 to 42
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		20 to 57
Thermal Shock Resistance, points		19

Alloy Composition

Carbon (C), %		0.55 to 0.7
Carbon (C), %		0 to 0.12

Chromium (Cr), %		3.8 to 4.5
Chromium (Cr), %		0 to 1.0

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

Iron (Fe), %		79.3 to 83.8
Iron (Fe), %		4.0 to 6.0

Manganese (Mn), %		0.15 to 0.4
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		4.5 to 5.5
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
Silicon (Si), %		0 to 1.0

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

Tungsten (W), %		5.5 to 6.8
Tungsten (W), %		0

Vanadium (V), %		1.8 to 2.2
Vanadium (V), %		0.2 to 0.6