Grade 361 Molybdenum vs. SAE-AISI D4 Steel

Grade 361 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI D4 steel belongs to the iron 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 grade 361 molybdenum and the bottom bar is SAE-AISI D4 steel.

Grade 361 Molybdenum SAE-AISI D4 (T30404) Chromium Cold-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		310
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		6.3
Elongation at Break, %		8.4 to 15

Poisson's Ratio		0.31
Poisson's Ratio		0.28

Shear Modulus, GPa		120
Shear Modulus, GPa		74

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		760 to 2060

Tensile Strength: Yield (Proof), MPa		530
Tensile Strength: Yield (Proof), MPa		470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		270

Specific Heat Capacity, J/kg-K		250
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		7.0
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		28
Embodied Carbon, kg CO₂/kg material		3.3

Embodied Energy, MJ/kg		330
Embodied Energy, MJ/kg		49

Embodied Water, L/kg		360
Embodied Water, L/kg		100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		37
Resilience: Ultimate (Unit Rupture Work), MJ/m³		100 to 160

Stiffness to Weight: Axial, points		17
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		27 to 75

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		24 to 47

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		23 to 63

Alloy Composition

Carbon (C), %		0 to 0.010
Carbon (C), %		2.1 to 2.4

Chromium (Cr), %		0
Chromium (Cr), %		11 to 13

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

Iron (Fe), %		0 to 0.010
Iron (Fe), %		80.6 to 86.3

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.6

Molybdenum (Mo), %		99.9 to 100
Molybdenum (Mo), %		0.7 to 1.2

Nickel (Ni), %		0 to 0.0050
Nickel (Ni), %		0 to 0.3

Nitrogen (N), %		0 to 0.0020
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.0070
Oxygen (O), %		0

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

Silicon (Si), %		0 to 0.010
Silicon (Si), %		0 to 0.6

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

Vanadium (V), %		0
Vanadium (V), %		0 to 1.0