SELECTARC B91 - High recovery rutile–basic coated electrode for Nickel–Chromium–Molybdenum alloys

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ID: 892
Product Code: SELECTARC B91

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Description

SELECTARC B91 - High recovery rutile–basic coated electrode for Nickel–Chromium–Molybdenum alloys

CLASSIFICATION

AWS A5.11: ENiCrMo-3ISO 14172: E–Ni 6625 (NiCr22Mo9Nb)

CHARACTERISTICS AND APPLICATIONS

SELECTARC B91 is a rutile–basic coated electrode with high metal recovery (170%), designed for welding Nickel–Chromium–Molybdenum (Ni–Cr–Mo) alloys to low alloy steels, as well as for welding special austenitic stainless steels.
It is frequently used for butt and fillet welding on low alloy and high strength steels, as well as for dissimilar joints, buffer layers, and hard-to-weld steels.
The weld metal provides a crack-resistant protective layer, ensuring high resistance to impact and pressure, particularly in mechanical engineering and heavy equipment applications.

WELD METAL CHEMICAL COMPOSITION (%)

C: 0.04 ; Si: 0.6 ; Mn: 0.8 ; Cr: 21.0 ; Nb: 3.3 ; Fe: 4.0 ; Mo: 8.5 ; Ni: Rem.

MECHANICAL PROPERTIES

R (MPa): 760 ; Rp. (MPa): 450 ; A (%): 30

DIMENSIONS AND AMPERES

= + | ~ 70 V

DIMENSIONS AMPERES
2.5 × 35070–90 A
3.2 × 35090–120 A
4.0 × 350120–140 A
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