XUPER 680CGS Welding Electrodes

The XUPER 680CGS Welding Electrodes from Metals And Welding Specialities are engineered for superior performance in high-strength and wear-resistant welding applications. Designed to deliver exceptional bonding strength, these electrodes ensure long-lasting durability even under the most demanding industrial conditions. The XUPER 680CGS is classified under UNS S30100 and corresponds to ASTM A240 Grade 301, a recognized standard in the stainless steel welding domain. Known for its toughness and corrosion resistance, this electrode meets the Universal Standard for hardfacing and maintenance welding of carbon and low-alloy steels.

With an advanced coated electrode composition, the XUPER 680CGS offers an outstanding combination of hardness, ductility, and tensile strength. The unique coating enhances arc stability and minimizes spatter, ensuring clean weld deposits and reduced post-weld finishing time. This makes it an ideal choice for repairing components exposed to abrasion, impact, and high mechanical stress. Industries such as mining, construction, heavy engineering, and manufacturing rely on these electrodes for the restoration and protection of critical parts including shafts, rollers, gears, and crusher components.

The XUPER 680CGS provides smooth weldability in both flat and out-of-position welding, ensuring excellent bead appearance and minimal slag interference. Its strong metallurgical bond and controlled dilution deliver consistent results, reducing the risk of cracking and porosity. The electrode’s microstructure provides a fine balance between toughness and hardness, making it suitable for applications that demand high resistance to metal-to-metal wear or erosion. The weld metal typically exhibits a hardness of around 55–60 HRC, providing long-term surface protection under severe wear conditions.

Engineered for versatility, the XUPER 680CGS Welding Electrodes can be used on a variety of base metals including low carbon steels, manganese steels, and alloy steels. The flux coating is formulated for easy slag removal, resulting in a cleaner weld surface and enhanced visual finish. Its low hydrogen content ensures reliable performance even in critical applications where cracking resistance is essential. Whether used for preventive maintenance or refurbishment of worn components, the XUPER 680CGS provides dependable results that extend equipment life and reduce downtime.

Metals And Welding Specialities is committed to delivering welding consumables that combine innovation, performance, and reliability. The XUPER 680CGS embodies this commitment by offering a solution that meets international standards while providing superior mechanical integrity. When precision, endurance, and efficiency matter, professionals trust XUPER 680CGS for consistent, high-quality welds that stand the test of time.

• Specification XUPER 680CGS Welding Electrodes

  Parameter	Value
  Tensile strength (Rm)	770 – 850 MPa
  Yield strength (Rp0.2)	> 640 MPa
  Elongation (A₅, l = 5d)	≥ 25 %
  Hardness (as welded, HV30)	240 – 280 HV30
  Deposit density	~ 7.6 g/cm³
  Effective yield (RE)	< 110 %
  Linear expansion (20-300 °C)	~ 13.5 × 10⁻⁶ /K
  Max service temperature (for joining)	< 450 °C (not for sub-zero)
  Recommended current (A) by diameter	2.5 mm: 45-85 | 3.2 mm: 60-110 | 4.0 mm: 90-150 | 5.0 mm: 145-200
  Max interpass temperature	300 °C
  Polarity	DCEP (+) or AC

• Equivalent Grade Of AWS ENiCrMo-4 Coated Electrodes

  AWS Designation	UNS Number	Other Equivalent / Trade Names	European / Other Standards
  ENiCrMo-4 (AWS A5.11)	W80276	Alloy C-276, Hastelloy C-276, INCOWELD C-276	DIN 1736 SG-NiMo16Cr16W, Werkstoff No. 2.4887, ISO ENI6276

• XUPER 680CGS 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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