AWS BAg-20 vs. SAE-AISI M34 Steel

AWS BAg-20 belongs to the otherwise unclassified metals classification, while SAE-AISI M34 steel belongs to the iron alloys. 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 AWS BAg-20 and the bottom bar is SAE-AISI M34 steel.

AWS BAg-20 (P07301) Filler Metal SAE-AISI M34 (T11334) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		93
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.32
Poisson's Ratio		0.29

Shear Modulus, GPa		35
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		160
Tensile Strength: Ultimate (UTS), MPa		800 to 2170

Thermal Properties

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

Melting Completion (Liquidus), °C		770
Melting Completion (Liquidus), °C		1540

Melting Onset (Solidus), °C		680
Melting Onset (Solidus), °C		1500

Specific Heat Capacity, J/kg-K		340
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		8.6
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		30
Embodied Carbon, kg CO₂/kg material		9.5

Embodied Energy, MJ/kg		480
Embodied Energy, MJ/kg		140

Common Calculations

Stiffness to Weight: Axial, points		6.0
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		5.1
Strength to Weight: Axial, points		27 to 74

Strength to Weight: Bending, points		7.6
Strength to Weight: Bending, points		23 to 46

Thermal Shock Resistance, points		5.9
Thermal Shock Resistance, points		25 to 67

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.85 to 0.92

Chromium (Cr), %		0
Chromium (Cr), %		3.5 to 4.0

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

Copper (Cu), %		37 to 39
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0
Iron (Fe), %		71.3 to 76.5

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		7.8 to 9.2

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

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

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

Silver (Ag), %		29 to 31
Silver (Ag), %		0

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

Tungsten (W), %		0
Tungsten (W), %		1.4 to 2.1

Vanadium (V), %		0
Vanadium (V), %		1.9 to 2.3

Zinc (Zn), %		30 to 34
Zinc (Zn), %		0

Residuals, %		0 to 0.15
Residuals, %		0