ER385 MIG & TIG Welding Wire

At Metals And Welding Specialities, we supply high-quality ER385 MIG & TIG Welding Wire, engineered for superior corrosion resistance and long-lasting performance in demanding environments. Designed for precision fabrication and maintenance work, this austenitic stainless steel filler metal is ideal for welding alloys of similar composition, offering exceptional protection against a wide range of corrosive agents including sulfuric, phosphoric, and nitric acids.

The ER385 welding wire corresponds to UNS S38500, and its ASTM Grade classification falls under ASTM A240 standards. This universal stainless filler is widely recognized as Alloy 904L, known for its high nickel and molybdenum content that provides outstanding pitting resistance in chloride-rich conditions. It is the go-to choice for industries that operate in highly aggressive chemical and marine atmospheres where durability and weld integrity are paramount.

Metals And Welding Specialities ensures every spool of ER385 MIG & TIG wire meets strict quality and chemical composition standards. The wire’s balanced structure minimizes the risk of intergranular corrosion, even after exposure to elevated temperatures. Its stable arc characteristics and smooth feedability make it suitable for both gas metal arc welding (GMAW) and gas tungsten arc welding (GTAW) processes. This versatility makes it an excellent match for critical applications in chemical processing plants, heat exchangers, pressure vessels, desalination equipment, and marine structures.

Thanks to its superior alloy balance of chromium, nickel, molybdenum, and copper, AWS ER385 maintains excellent resistance to stress corrosion cracking and crevice attack. Its performance surpasses conventional stainless grades such as 316L and 317L, particularly in environments containing high concentrations of halides or strong acids. Fabricators rely on this filler metal to ensure structural integrity and clean, defect-free welds that meet the toughest specifications in global manufacturing standards.

At Metals And Welding Specialities, every product undergoes rigorous testing to guarantee compliance with AWS A5.9 specifications. Our expert team provides technical guidance to help you select the right wire diameter, shielding gas combination, and welding parameters for optimal results. Whether you are working on pipeline fabrication, pressure-resistant tanks, or marine repair, our ER385 MIG & TIG wire delivers unmatched reliability and consistency.

Choose Metals And Welding Specialities as your trusted partner for high-grade stainless welding consumables that meet international benchmarks for performance and safety. With ER385, you get more than a filler metal — you get precision-engineered confidence in every weld.

• Specification ER385 MIG & TIG Welding Wire

  Classification	AWS A5.9, ER385
  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 ER385 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
  ER385	S30888	Alloy 385	EXATON 20.25.5.LCU	BOHLER THERMAINT 20/25 CU

• ER385 MIG & TIG Welding Wire Chemical Composition

  C	Cr	Ni	Mo	Mn	Si	P	S	Cu	Element	Amount
  0.08	19.0-21.5	9.0-11.0	0.75	1.0-2.5	0.30-0.65	0.03	0.03	0.75	Nb	10XC min/1.0 max

• ER385 MIG & TIG Welding Wire Parameters

  Diameter (MM)	2.5	3.2	4.0	5.0
  Length (MM)	350	350	400	400
  Current (A)	50-70	80-110	130-160	160-200

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