SMAW
Hastelloy B-2 Welding Electrode
AWS ENiMo-7
ENiCu-7 is a flux-core, copper-rich nickel-base alloy designed for corrosion resistance. It can be used to join different alloys, surfacing steel. It is manufactured with a high purity nickel core with a metal-balanced basic flux coating that also contains pure molybdenum for alloying purposes and an alloy for grain refinement. A silicate binder used for extrusion ensures coating strength and hygroscopic resistance.
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Product Detail
Specifications:
AWS A5.11 class ENiCu-7 ;
Key Features:
- N-NiMo-7 is a nickel-molybdenum flux-coated electrode developed specifically for welding similar base metals, such as Hastelloy® B-2 to itself or to steel, and nickel alloys
- Excellent resistance to pitting and stress corrosion cracking commonly caused by acids due to controlled level of carbon, iron, cobalt, nickel, and molybdenum
Application:
- Chemical processing industries on parts exposed to all concentrations and temperatures of hydrochloric acid
- Parts subject to sulphuric, phosphoric, and acetic acids
- Should not be used in the presence of cupric or ferric salts
Welding Position:
Flat; Horizontal; Overhead; Vertical-Down; Vertical-Up
Welding characteristics of the electrode
- Designed for use on DC+ only. The stable arc is readily controllable and the slag viscosity allows the smaller diameter to be used positionally.
- The weld beads are bright and evenly rippled with fillet welds having a slight convex profile.
- Metal recovery is some 130% with respect to core wire weight
Other Data:
Electrodes that have become damp should be re-dried at 180 oC for 1 hour
Chemical Composition(%)
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Mechanical Properties (as welded)
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Typical Welding Parameters
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Product Forms And Packaging
(Other sizes available - please contact us)
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