SAE-AISI M43 Steel vs. AWS BAg-13

SAE-AISI M43 steel belongs to the iron alloys classification, while AWS BAg-13 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 M43 steel and the bottom bar is AWS BAg-13.

SAE-AISI M43 (T11343) Molybdenum High-Speed Steel AWS BAg-13 (P07540) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		91

Poisson's Ratio		0.29
Poisson's Ratio		0.35

Shear Modulus, GPa		77
Shear Modulus, GPa		34

Tensile Strength: Ultimate (UTS), MPa		810 to 2290
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		150

Melting Completion (Liquidus), °C		1550
Melting Completion (Liquidus), °C		860

Melting Onset (Solidus), °C		1500
Melting Onset (Solidus), °C		720

Specific Heat Capacity, J/kg-K		450
Specific Heat Capacity, J/kg-K		310

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		8.2
Density, g/cm³		9.7

Embodied Carbon, kg CO₂/kg material		8.5
Embodied Carbon, kg CO₂/kg material		52

Embodied Energy, MJ/kg		120
Embodied Energy, MJ/kg		820

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		5.2

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		16

Strength to Weight: Axial, points		27 to 77
Strength to Weight: Axial, points		5.2

Strength to Weight: Bending, points		24 to 47
Strength to Weight: Bending, points		7.3

Thermal Shock Resistance, points		25 to 71
Thermal Shock Resistance, points		7.5

Alloy Composition

Carbon (C), %		1.2 to 1.3
Carbon (C), %		0

Chromium (Cr), %		3.5 to 4.3
Chromium (Cr), %		0

Cobalt (Co), %		7.8 to 8.8
Cobalt (Co), %		0

Copper (Cu), %		0 to 0.25
Copper (Cu), %		37.4 to 42.5

Iron (Fe), %		70.8 to 76
Iron (Fe), %		0

Manganese (Mn), %		0.2 to 0.4
Manganese (Mn), %		0

Molybdenum (Mo), %		7.5 to 8.5
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		0.5 to 1.5

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

Silicon (Si), %		0.15 to 0.65
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		53 to 55

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

Tungsten (W), %		2.3 to 3.0
Tungsten (W), %		0

Vanadium (V), %		1.5 to 1.8
Vanadium (V), %		0

Zinc (Zn), %		0
Zinc (Zn), %		4.0 to 6.0

Residuals, %		0
Residuals, %		0 to 0.15