ERNiCrMo-4 Welding Wires

At Metals And Welding Specialities, we supply premium-quality ERNiCrMo-4 Welding Wires filler wires designed for exceptional performance in critical welding applications. This alloy, designated under UNS N10276 and corresponding to ASTM B622 / B619, is commonly known by its universal standard name Alloy C276. It is a nickel-molybdenum-chromium alloy with the addition of tungsten, offering superior corrosion resistance across a wide range of chemical environments.

The ERNiCrMo-4 welding wire is specifically engineered to deliver high strength and outstanding resistance to strong oxidizers, chlorides, and reducing acids. This makes it the material of choice for industries such as chemical processing, pollution control, marine engineering, and pulp & paper manufacturing. Metals And Welding Specialities ensures every batch of wire is precision-manufactured to maintain consistent weld quality and metallurgical integrity, providing excellent joint strength and ductility even under the most demanding service conditions.

When used in MIG and TIG welding processes, ERNiCrMo-4 exhibits smooth arc characteristics, minimal spatter, and a clean weld bead profile. It is ideally suited for welding nickel-chromium-molybdenum alloys, stainless steels, and dissimilar metals where resistance to localized corrosion—such as pitting and crevice attack—is essential. The filler metal’s chemical balance ensures resistance against both oxidizing and reducing media, including ferric and cupric chlorides, hot contaminated solutions, and sulfuric or hydrochloric acids.

Metals And Welding Specialities’ ERNiCrMo-4 filler wire performs exceptionally well in environments where other alloys may fail due to stress corrosion cracking or intergranular attack. The high molybdenum and chromium content provides robust protection, while the presence of tungsten further enhances stability at elevated temperatures. Whether it’s for fabrication of pressure vessels, piping systems, or scrubber components, our wire ensures a durable, corrosion-resistant weld joint with minimal post-weld cleaning.

Each spool or rod of ERNiCrMo-4 MIG & TIG wire supplied by Metals And Welding Specialities meets international standards and is tested for mechanical and chemical compliance. With consistent feedability and stable arc control, it guarantees reliable performance across both manual and automated welding operations. Choosing our product means investing in precision, quality assurance, and long-term reliability.

At Metals And Welding Specialities, we understand that industries working with aggressive chemicals need materials they can trust. That’s why our AWS ERNiCrMo-4 filler metal is manufactured to meet the highest standards of purity and performance, making it the preferred choice for welding Alloy C276 base materials and similar nickel-based superalloys.

• Specification ERNiCrMo-4 Welding Wires

  Classification	AWS A5.14, ERNiCrMo-4
  Form	MIG spools, TIG cut lengths, Reels and Coils
  Type Of Welding	Inert Gas Welding
  Standard TIG straight lengths are available	36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request.
  AWS ERNiCrMo-4 MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

• Equivalent Grade Of AWS ENiCrFe-2 Coated Electrodes

  Class	UNS	Oxford Alloys	Special Metals	SANDVIK	BOHLER	UTP	ESAB
  ERNiCrMo-4	N10276	Alloy C-276	INCOWELD C-276	EXATON NI 56	BOHLER THERMANIT NIMO C276	UTP A 776	OK AUTROD NICRMO-4

• ERNiCrMo-4 Welding Wires Chemical Composition

  C	Mn	Fe	P	S	Si	Cu	Ni	Co	Cr	Mo	V	W	Other
  0.02	1.0	4.0-7.0	0.04	0.03	0.08	0.50	Rem	2.5	14.5-16.5	15.0-17.0	0.35	3.0-4.5	0.5

• ERNiCrMo-4 Welding Wires Parameters

  Diameter		Process	Volt	Amps (flat)	Amps (V/OH)
  in	(mm)
  .035	(0.9)	GMAW	26-29	150-190	Spray Transfer 100% Argon
  .045	(1.2)	GMAW	28-32	180-220	Spray Transfer 100% Argon
  1/16	(1.6)	GMAW	29-33	200-250	Spray Transfer 100% Argon
  1/16	(1.6)	GTAW	14-18	90-130	100% Argon
  3/32	(2.4)	GTAW	15-20	120-175	100% Argon
  1/8	(3.2)	GTAW	15-20	150-220	100% Argon

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