AWS E312 vs. Type 2 Magnetic Alloy

Both AWS E312 and Type 2 magnetic alloy are iron alloys. They have 61% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is Type 2 magnetic alloy.

AWS E312 (W31310) Weld Metal Type 2 (K94840) Iron-Nickel Soft Magnetic Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		25
Elongation at Break, %		2.0 to 38

Poisson's Ratio		0.27
Poisson's Ratio		0.3

Shear Modulus, GPa		80
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		510 to 910

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		1370

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		20
Base Metal Price, % relative		33

Density, g/cm³		7.7
Density, g/cm³		8.4

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		5.9

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		81

Embodied Water, L/kg		200
Embodied Water, L/kg		140

Common Calculations

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		17 to 30

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		17 to 25

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		16 to 29

Alloy Composition

Carbon (C), %		0 to 0.15
Carbon (C), %		0 to 0.050

Chromium (Cr), %		28 to 32
Chromium (Cr), %		0 to 0.3

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.5

Copper (Cu), %		0 to 0.75
Copper (Cu), %		0 to 0.3

Iron (Fe), %		52.3 to 63.5
Iron (Fe), %		48.2 to 53

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		0 to 0.8

Molybdenum (Mo), %		0 to 0.75
Molybdenum (Mo), %		0 to 0.3

Nickel (Ni), %		8.0 to 10.5
Nickel (Ni), %		47 to 49

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 0.5

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