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Welding Electrode

Model / MPN: R21B49A2 | NSN: 3439-00-185-7086
ITAR Registered seal

A coated or uncoated filler metal or an uncoated nonfiller material in wire or solid rod form. It is used in welding where the fusing or melting heat is supplied through the medium of an electric arc wherein the rod serves as carrier of the electric current. For a collection of welding electrodes, see welding electrode set. Excludes electrode, cutting, solid.

Product Details
NATO Stock Number
3439-00-185-7086
Sold in multiples of
DEMIL
NO
Filler Metal Chemical Composition In Percent
1.25 molybdenum first element
Deposited Filler Metal Chemical Composition In Percent
0.025 phosphorous second element
Deposited Filler Metal Chemical Composition In Percent
0.30 silicon fourth element and 0.60 silicon fourth element
Deposited Filler Metal Chemical Composition In Percent
0.40 magnesium first element and 0.70 magnesium first element
Deposited Filler Metal Chemical Composition In Percent
0.70 sulfur third element
Material
Magnesium filler

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R21B49A2 Cross Reference