XUPER 2240 Welding Electrodes

The XUPER 2240 Welding Electrodes from Metals And Welding Specialities are premium-quality welding electrodes engineered for high-performance applications involving stainless steels and dissimilar joints. Designed to deliver exceptional mechanical properties and corrosion resistance, these electrodes are based on the AWS A5.4 E309L-16 classification, equivalent to UNS S30983 and ASTM Grade 309L. They provide outstanding fusion between dissimilar metals such as carbon steel and stainless steel, ensuring reliable weld integrity even in demanding service conditions.

Manufactured with a low-carbon core wire and a specialized rutile coating, the XUPER 2240 electrode minimizes carbide precipitation and offers superior resistance to intergranular corrosion. Its slag system produces a smooth, uniform bead appearance with easy slag removal, enhancing operator efficiency and weld quality. This electrode demonstrates excellent arc stability and spatter control, making it ideal for use in fabrication, repair, and maintenance welding across a wide range of industrial environments including petrochemical, food processing, and marine applications.

The metallurgical structure of the deposited weld metal provides an optimal balance of strength and ductility. With its high chromium and nickel content, the XUPER 2240 electrode resists oxidation and scaling at elevated temperatures, extending the lifespan of welded components exposed to thermal cycling. It is particularly suitable for joining dissimilar combinations such as 304 to mild steel or welding stainless steel overlays on carbon steel substrates where strength and corrosion resistance are equally critical.

When applied under controlled parameters, XUPER 2240 Welding Electrodes ensure low hydrogen diffusion, reducing the risk of cracking and weld defects. The electrode operates efficiently on both AC and DC polarity, offering versatility for manual metal arc (MMA) welding operations in all positions. It meets stringent quality standards for chemical composition and mechanical performance, aligning with global specifications like UNS S30983 and ASTM A240 Grade 309L.

Metals And Welding Specialities upholds the highest standards of manufacturing precision, ensuring that every XUPER 2240 electrode is consistent in performance, arc behavior, and deposition rate. This product is trusted by welding professionals who demand precision, strength, and durability in every weld. Whether used for stainless fabrication, maintenance of process equipment, or joining steels with differing thermal expansion rates, the XUPER 2240 delivers dependable, high-quality results with reduced downtime and improved productivity.

• Specification XUPER 2240 Welding Electrodes

  Property	Specification
  Product	Xuper 2240
  Manufacturer	Castolin / Eutectic
  Classification (EN / AWS)	DIN EN ISO 1071: E C NiFe-1 · AWS A5.15: ENiFe-Cl
  Type	Low-heat-input coated electrode for cast irons (Ni-Fe, Cu-alloyed deposit)
  Typical deposit composition	Ni-Fe with Cu-alloying (nodular graphite deposit)
  Tensile strength (typical)	55,000 psi (≈380 N/mm²)
  Yield strength (typical)	38,000 psi (≈262 N/mm²)
  Hardness (as deposited)	75 HRB
  Welding positions	All positions
  Current / Polarity	AC or DCEN (-)
  Available diameters	3/32" (2.4 mm), 1/8" (3.2 mm), 5/32" (4.0 mm)
  Recommended amperage by diameter	3/32" (2.4 mm): 80–90 A · 1/8" (3.2 mm): 105–115 A · 5/32" (4.0 mm): 130–145 A
  Typical applications	Pump casings, bell housings, high-strength alloyed cast iron gear boxes, machine bases, repair of foundry defects, motor casings
  Packaging (examples)	Plastic containers: 5.5 lb (3/32"), 11 lb (1/8") (typical packaging options)
  Post-weld treatment	Slow cool after welding (use insulating material such as vermiculite or heat-retardant blankets)

• Equivalent Grade Of AWS ENiCrMo-4 Coated Electrodes

  Standard	AWS (A5.11)	UNS	Werkstoff Nr.	ISO	Trade Name (Common)
  Equivalent Grade	ENiCrMo-4	W8611	2.4856	14172 E Ni 6276	Inconel 625, UTP A 625, OK 92.86, Thermanit 625

• XUPER 2240 Welding Electrodes Parameters

  Parameter	Value / Range
  Current / Polarity	AC / DCEP (+)
  Tensile Strength (typical)	88,000 psi (~ 607 MPa)
  Hardness (as deposited)	HRB ~ 95
  Hardness (after work-hardening)	~ HRC 30
  Amperage – A Range (heavy / multipass)	1/8″ (3.2 mm): 140 – 180 A 5/32″ (4.0 mm): 180 – 250 A
  Amperage – B Range (moderate)	1/8″ (3.2 mm): 90 – 130 A 5/32″ (4.0 mm): 120 – 160 A
  Recommended Weave / Technique	Weaving limited to 1½ × electrode diameter
  Maximum Preheat / Heat Limit	Do not heat 12 % Mn steel over 400 °F (204 °C)
  Typical Hardness (alternative source)	As deposited: HRB 80–90 | Work hardened: HRC 28–32

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