ERNiFeCr-2
Nickel-iron-chromium solid wire matching Inconel 718 (N07718). Ni 50–55%, Cr 17–21%, Nb+Ta 4.75–5.50%, Mo 2.8–3.3%. Age-hardenable weld deposit reaching UTS >1000 MPa after PWHT. Used for GTAW/GMAW welding of Inconel 718, dissimilar joints in aerospace (turbine discs, casings) and oil & gas (subsea, HPHT). Post-weld aging at 720°C/8h + 620°C/8h required for full strength. Also designated as Inconel Filler Metal 718.
Mechanical properties — Pro
As welded
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As Welded + Aged
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ER308L
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E6010
High-cellulose sodium coated SMAW electrode for pipeline welding. Produces a deep penetrating, high-force spray arc with fast-freeze characteristics and minimal slag. The standard electrode for root pass welding in pipeline construction (API 5L X42/X46). DCEP only. Tensile strength 60 ksi (414 MPa), yield 48 ksi (331 MPa). Impact toughness 27J at -30°C. Do NOT rebake — cellulose coating requires 3–7% moisture for proper operation. Also used for field erection, tank repair and welding on dirty/rusty steel.
E309L-16
Rutile-coated stainless steel SMAW electrode for welding dissimilar joints (stainless to carbon steel), stainless steel cladding and overlay welding. 23% Cr, 13% Ni ensures austenitic weld deposit even with dilution from carbon steel base. Low carbon (≤0.03%) for intergranular corrosion resistance. AC or DCEP. Smooth arc, easy slag removal. Used for first layer cladding on pressure vessels, repair of stainless castings and transition joints in process piping.
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