ER308LSi MIG & TIG Welding Wire

Metals And Welding Specialities offers premium-grade ER308LSi MIG & TIG Welding Wire, designed for superior performance in joining austenitic stainless steels. This wire, identified by UNS S30883 and meeting ASTM A240 / ASME SFA-5.9 standards, provides outstanding corrosion resistance, exceptional weld bead appearance, and excellent mechanical properties. Its high silicon content enhances weld puddle fluidity and produces smooth, spatter-free welds, making it a top choice for precision welding in critical environments.

The ER308LSi welding wire from Metals And Welding Specialities is formulated for welding 18Cr-8Ni stainless steels such as 304, 304L, and 308 types. The added silicon not only improves wetting action but also reduces post-weld cleaning requirements—an advantage in high-production welding applications. When used with either MIG (GMAW) or TIG (GTAW) processes, this wire ensures consistent arc stability and optimal feedability. Its low carbon content minimizes the risk of intergranular carbide precipitation, preserving corrosion resistance even under prolonged heat exposure.

Metals And Welding Specialities manufactures this alloy wire using high-purity raw materials and advanced metallurgical techniques to achieve consistent chemistry and superior surface finish. The result is a filler metal that ensures clean, reliable welds with minimal porosity. ER308LSi is particularly suited for industries where hygiene and durability are crucial, including food processing equipment, chemical tanks, dairy machinery, architectural components, and marine fabrications. The wire’s compatibility with both argon-based shielding gases and argon-oxygen mixtures enhances versatility across different welding parameters.

For TIG welding, ER308LSi rods provide smooth, controlled arcs and excellent puddle control. For MIG applications, the wire’s consistent feedability reduces downtime and improves operator productivity. Its ability to maintain toughness and ductility across temperature variations makes it suitable for both thin and medium-gauge stainless steel sections. Whether used for sheet metal fabrication or structural stainless applications, Metals And Welding Specialities’ ER308LSi delivers dependable performance and aesthetic weld finishes.

At Metals And Welding Specialities, quality assurance is integral to every manufacturing stage. Each batch of ER308LSi welding wire undergoes rigorous testing to ensure conformity with international standards such as AWS A5.9, ASME SFA-5.9, and UNS S30883. The product is available in multiple diameters and packaging options to meet diverse welding requirements in both manual and automated systems.

Backed by years of metallurgical expertise, Metals And Welding Specialities ensures that every spool of ER308LSi embodies precision, reliability, and consistent weld quality demanded by professional fabricators worldwide.

• Specification ER308LSi MIG & TIG Welding Wire

  Classification	AWS A5.9, ER308LSi
  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 ER308LSi 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	SANDVIK	BOHLER	UTP
  ER308LSi	S30888	Alloy 308LSi	EXATON 19.9.LSI	BOHLER THERMANIT JE - 308L	UTP A68 LC

• ER308LSi MIG & TIG Welding Wire Chemical Composition

  C	Cr	Ni	Mo	Mn	Si	P	S	Cu
  0.03	19.5-22.0	9.0-11.0	0.75	1.0-2.5	0.65-1.00	0.03	0.03	0.75

• ER308LSi MIG & TIG Welding Wire Parameters

  Diameter		Process	Volt	Amps/Shielding Gas
  in	(mm)
  .023	(0.6)	GMAW	14-19	30-85/98% Argon/2% Oxygen
  .030	(0.8)	GMAW	15-20	45-125/98% Argon/2% Oxygen
  .035	(0.9)	GMAW	16-22	60-150/98% Argon/2% Oxygen
  .045	(1.14)	GMAW	17-22	90-210/98% Argon/2% Oxygen
  .035	(0.9)	GTAW	12-15	60-100/100% Argon
  .045	(1.14)	GTAW	13-16	70-120/100% Argon
  1/16”	(1.6)	GTAW	12	80-150/100% Argon
  3/32”	(2.4)	GTAW	12	150-250/100% Argon
  1/8”	(3.2)	GTAW	12	200-375/100% Argon

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