SAE-AISI M2 Steel vs. AWS BAg-27

SAE-AISI M2 steel belongs to the iron alloys classification, while AWS BAg-27 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M2 steel and the bottom bar is AWS BAg-27.

SAE-AISI M2 (T11302) Molybdenum High-Speed Steel AWS BAg-27 (P07251) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		88

Poisson's Ratio		0.29
Poisson's Ratio		0.32

Shear Modulus, GPa		77
Shear Modulus, GPa		33

Tensile Strength: Ultimate (UTS), MPa		760 to 2150
Tensile Strength: Ultimate (UTS), MPa		160

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1610
Melting Completion (Liquidus), °C		750

Melting Onset (Solidus), °C		1570
Melting Onset (Solidus), °C		610

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		330

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		22

Otherwise Unclassified Properties

Density, g/cm³		8.4
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		8.8
Embodied Carbon, kg CO₂/kg material		25

Embodied Energy, MJ/kg		130
Embodied Energy, MJ/kg		400

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		5.7

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		17

Strength to Weight: Axial, points		25 to 71
Strength to Weight: Axial, points		5.1

Strength to Weight: Bending, points		22 to 44
Strength to Weight: Bending, points		7.6

Thermal Shock Resistance, points		27 to 76
Thermal Shock Resistance, points		5.9

Alloy Composition

Cadmium (Cd), %		0
Cadmium (Cd), %		12.5 to 14.5

Carbon (C), %		0.78 to 1.1
Carbon (C), %		0

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

Copper (Cu), %		0 to 0.25
Copper (Cu), %		34 to 36

Iron (Fe), %		78.5 to 83.4
Iron (Fe), %		0

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

Molybdenum (Mo), %		4.5 to 5.5
Molybdenum (Mo), %		0

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

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

Silicon (Si), %		0.2 to 0.45
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		24 to 26

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

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

Vanadium (V), %		1.8 to 2.2
Vanadium (V), %		0

Zinc (Zn), %		0
Zinc (Zn), %		24.5 to 28.5

Residuals, %		0
Residuals, %		0 to 0.15