ER310 MIG & TIG Welding Wire

The ER310 MIG & TIG Welding Wire welding wire from Metals And Welding Specialities is a premium-grade stainless steel filler metal engineered for superior performance in high-temperature and corrosion-resistant applications. Designed according to ASTM A580 and identified under UNS S31000, this alloy delivers exceptional strength, oxidation resistance, and weld integrity across demanding industrial environments. With its precise chemical balance of chromium and nickel, ER310 ensures a stable arc, smooth bead appearance, and consistent mechanical properties when used in both MIG and TIG welding processes.

This ER310 stainless steel wire is commonly used in joining and overlaying heat-resistant steels, furnace components, and exhaust systems that operate under continuous high-heat exposure. The high chromium content provides robust oxidation resistance, while the nickel component improves ductility and maintains toughness even after prolonged thermal cycling. Weld deposits produced by this alloy retain their strength at temperatures up to 2100°F (1150°C), making it the material of choice for petrochemical plants, heat-treatment facilities, and power generation sectors that require long-term reliability.

Metals And Welding Specialities manufactures and supplies ER310 MIG & TIG filler metal in compliance with universal standards such as AWS A5.9 and ISO 14343-A G 25 20. Each batch is precision-tested to ensure tight control over composition and mechanical properties. The result is a wire that not only minimizes carbon pick-up and carbide precipitation but also produces welds that resist scaling and creep deformation under thermal stress. Its excellent resistance to carburizing and reducing atmospheres allows it to perform effectively in furnace conveyors, radiant tubes, and annealing boxes where lesser alloys would fail.

Fabricators appreciate the superior arc stability and clean finish this alloy provides, reducing post-weld cleaning time and improving overall efficiency. Whether used in manual TIG operations or automated MIG systems, the ER310 delivers consistent feedability and minimal spatter, even under challenging conditions. Its versatility makes it a trusted choice for welding dissimilar steels such as carbon steels or other austenitic grades, offering strong metallurgical bonding and corrosion resistance at the weld interface.

Backed by decades of expertise, Metals And Welding Specialities ensures that every ER310 product meets stringent quality and performance benchmarks. Our technical specialists provide full traceability and application support to help industries achieve precise, durable, and reliable welds. When operating under extreme heat or corrosive conditions, the ER310 MIG & TIG Welding Wire wire is the dependable solution that combines metallurgical integrity with ease of operation — setting the standard for excellence in high-temperature stainless steel welding.

• Specification ER310 MIG & TIG Welding Wire

  Classification	AWS A5.9, ER310
  Form	MIG spools, TIG cut lengths, Reels and Coils
  Type Of Welding	Inert Gas Welding
  Current	MIG-DCEP / TIG-DCEN
  Diameters	.023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8”
  Standard TIG straight lengths are available	36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request.
  AWS ER310 MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

• Equivalent Grade Of AWS ERCuNi MIG & TIG

  Class	UNS	Oxford Alloys	BOHLER
  ER310	S31080	Alloy 310	BOHLER THERMAINT 310

• ER310 MIG & TIG Welding Wire Chemical Composition

  C	Cr	Ni	Mo	Mn	Si	P	S	Cu
  0.08-0.15	25.0-28.0	20.0-22.5	0.75	1.0-2.5	0.30-0.65	0.03	0.03	0.75

• ER310 MIG & TIG Welding Wire Parameters

  Diameter		Process	Volt	Amps
  in	(mm)
  .035	(0.9)	GTAW	12-15	60-90
  .045	(1.14)	GTAW	13-16	80-110
  1/16”	(1.6)	GTAW	14-16	90-130
  3/32”	(2.4)	GTAW	15-20	120-175

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