ASTM A369 Grade FPB vs. Grade 360 Molybdenum

ASTM A369 grade FPB belongs to the iron alloys classification, while grade 360 molybdenum belongs to the otherwise unclassified metals. There are 20 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 ASTM A369 grade FPB and the bottom bar is grade 360 molybdenum.

ASTM A369 Grade FPB Carbon Steel Grade 360 Molybdenum

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		19
Elongation at Break, %		6.3 to 17

Poisson's Ratio		0.29
Poisson's Ratio		0.31

Shear Modulus, GPa		73
Shear Modulus, GPa		120

Tensile Strength: Ultimate (UTS), MPa		470
Tensile Strength: Ultimate (UTS), MPa		430 to 620

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		270 to 530

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		370

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		250

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

Otherwise Unclassified Properties

Density, g/cm³		7.8
Density, g/cm³		10

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		28

Embodied Energy, MJ/kg		18
Embodied Energy, MJ/kg		330

Embodied Water, L/kg		46
Embodied Water, L/kg		360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		78
Resilience: Ultimate (Unit Rupture Work), MJ/m³		37 to 64

Resilience: Unit (Modulus of Resilience), kJ/m³		190
Resilience: Unit (Modulus of Resilience), kJ/m³		120 to 450

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		17

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

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		12 to 17

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		12 to 16

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		14 to 21

Alloy Composition

Carbon (C), %		0 to 0.3
Carbon (C), %		0 to 0.030

Iron (Fe), %		98.1 to 99.61
Iron (Fe), %		0 to 0.010

Manganese (Mn), %		0.29 to 1.1
Manganese (Mn), %		0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		99.9 to 100

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.0020

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

Oxygen (O), %		0
Oxygen (O), %		0 to 0.0015

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

Silicon (Si), %		0.1 to 0.5
Silicon (Si), %		0 to 0.010

Sulfur (S), %		0 to 0.035
Sulfur (S), %		0