General Description

ENiCrMo-3 electrodes typically are used to join a wide range of pitting and crevice corrosion-resistant alloys. The lowest alloyed materials employed with these electrodes are the molybdenum-modified type 317 stainless steels. ENiCrMo-3 electrodes are used for richer alloy compositions of the nickel-chromium-iron-molybdenum families, up to and including Alloy 625. Intermediate alloys welded with ENiCrMo-3 include Alloy 825, alloy 20,alloy G, and alloy G-3. This type of electrode is widely used because its high nickel content allows good dissimilar weldability, whereas the high molybdenum content matches or exceeds the pitting resistance of the base alloys being welded. Because of the strength of the ENiCrMo-3 electrode, welding to many highstrength low-alloy (HSLA) grade steels can be performed without sacrificing strength.

Chemical Composition

Grade Ni+Co% C% Mn% Fe% S% Cu% Si% Cr% Nb+Ta% Mo% P% Other%
ENiCrMo-3 Min 55.0 Max 0.1 Max 1.0 Max 7.0 Max 0.02 Max 0.05 Max 0.75 20.0-23.0 3.15-4.15 8.0-10.0 Max 0.03 Max 0.50


AWS A5.11 ENiCrMo-3 (UNS W86112)

SFA-5.11, ENiCrMo-3 (UNS W86112)



Mechanical properties as welded

Tensile Strength: 760 MPa

Elongation: 30%


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