Cobalt Base Alloys ECoCr-A Welding Electrodes

Metals And Welding Specialities is a trusted name in the manufacturing and supply of high-performance Cobalt Base Alloys ECoCr-A Welding Electrodes, designed for exceptional wear resistance, corrosion protection, and high-temperature stability. These electrodes are formulated to produce tough, crack-resistant weld deposits that maintain hardness even under extreme heat and mechanical stress. Classified under UNS R30006, ASTM Grade CoCr-A, and universally recognized as Stellite 6, this alloy is engineered to deliver superior metallurgical integrity for critical industrial applications.

The ECoCr-A welding electrodes from Metals And Welding Specialities are ideal for hardfacing and overlay operations where abrasion, erosion, and corrosion combine to cause severe material degradation. The weld deposits exhibit an excellent balance of hardness and toughness, making them suitable for use on valve seats, turbine blades, pump sleeves, cutting edges, and other components subjected to metal-to-metal or metal-to-mineral contact. These electrodes provide a fine, dense microstructure that resists galling, oxidation, and scaling up to approximately 870°C (1600°F).

One of the standout features of Metals And Welding Specialities ECoCr-A Welding Electrodes is their outstanding metallurgical bond strength. The cobalt-chromium matrix is reinforced with tungsten and carbon, forming carbides that enhance hardness while maintaining ductility. This unique composition ensures dependable performance in both high-temperature and corrosive service environments. The deposited metal exhibits a hardness range of approximately 35–45 HRC, which can be fine-tuned through multiple layers and controlled heat input.

Our Cobalt Base Alloy ECoCr-A electrodes are designed for smooth arc stability, minimal spatter, and excellent slag detachability, allowing for easy manipulation and clean weld beads. They can be used on both ferrous and non-ferrous base metals, including steels, stainless steels, and nickel-based alloys. Whether applied through manual metal arc (MMA) welding or other compatible processes, the electrodes deliver consistent results and long-lasting surface protection.

Industries such as aerospace, petrochemical, power generation, oil & gas, and metal processing depend on Stellite 6 / ECoCr-A hardfacing for its unmatched durability and resistance to wear mechanisms like cavitation and erosion. Metals And Welding Specialities ensures each batch of electrodes meets stringent quality and chemical composition standards, guaranteeing reliability in demanding operational conditions. Our commitment to quality and precision manufacturing makes Metals And Welding Specialities a leading supplier of ECoCr-A Cobalt Base Alloy Welding Electrodes across global markets.

By combining technical excellence with deep metallurgical expertise, Metals And Welding Specialities delivers welding consumables that enhance component life, reduce maintenance downtime, and improve overall performance efficiency. If you need a dependable solution for high-stress, high-temperature applications, the Cobalt Base Alloys ECoCr-A Welding Electrodes from Metals And Welding Specialities are your best choice for long-term durability and cost-effective operation.

• Specification Cobalt Base Alloys ECoCr-A Welding Electrodes

  Classification	AWS A5.13, ECOCR-A
  Form	Welding Electrode, Welding Rods
  Type Of Current	Direct Current Electrode Positive (DCEP)
  Size	2.6 mm (3/32") 3.2 mm (1/8") 4.0 mm (5/32") 5.0 mm (3/16") 6.4 mm (1/4")
  Welding Positions	All positions (F, V, OH, H)
  AWS ECOCR-A Welding Electrodes Application & uses	Petroleum Chemical plant Power sector Gas Industry Hardware tools Metallurgy Machinery Construction Shipbuilding

• Equivalent Grade Of AWS ENiCrMo-4 Coated Electrodes

  Class	UNS	Stellite
  ECOCR-A	W73006	Stellite 6

• Cobalt Base Alloys ECoCr-A Welding Electrodes Chemical Composition

  C	Mn	Si	Cr	Ni	Mo	Fe	W	Co	Other
  0.7-1.4	2.0	2.0	25-32	3.0	1.0	5.0	3.0-6.0	Rem	1.0

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