ER2594 MIG & TIG Welding Wire

The ER2594 MIG & TIG Welding Wire welding wire from Metals And Welding Specialities is engineered for precision, strength, and corrosion resistance in demanding fabrication environments. Classified under UNS S32750 and conforming to ASTM A240 Grade 2507, this super duplex stainless steel filler metal delivers exceptional mechanical properties combined with superior resistance to pitting and stress corrosion cracking. Designed for both MIG and TIG processes, it provides consistent arc stability and clean weld deposits, making it ideal for high-performance applications in the oil, gas, petrochemical, and marine industries.

This welding wire is known for its high chromium, molybdenum, and nitrogen content, giving welds outstanding strength and resistance to aggressive chemical and chloride-rich environments. The ER2594 composition ensures excellent ferrite-austenite balance, which results in low thermal expansion and high tensile strength — critical for offshore platforms, heat exchangers, and pressure vessels. Each spool or rod is manufactured to strict industry standards, guaranteeing uniformity, high weld integrity, and compatibility with matching base metals like UNS S32750 and S32760.

When used in GTAW (TIG) or GMAW (MIG) operations, the ER2594 filler wire delivers smooth feeding characteristics and excellent slag detachability, allowing welders to achieve clean, spatter-free joints. Its optimized chemistry minimizes hot cracking and provides superior impact toughness even at sub-zero temperatures. The filler metal also maintains excellent corrosion resistance after post-weld heat treatments and extended service in harsh environments.

The Metals And Welding Specialities ER2594 wire is recommended for critical fabrication where reliability cannot be compromised. Industries rely on it for constructing desalination plants, chemical process equipment, and components exposed to seawater or acidic solutions. Its dual-phase microstructure combines the best attributes of both ferritic and austenitic stainless steels, offering remarkable structural integrity under mechanical stress. This balance ensures long-term performance and lower maintenance costs, making it a cost-effective choice for professionals seeking durability and efficiency.

Every batch of ER2594 MIG & TIG Welding Wire welding wire is carefully tested for composition accuracy, mechanical performance, and corrosion resistance. With our commitment to precision manufacturing, Metals And Welding Specialities ensures that each product meets or exceeds the expectations of international standards. Whether used for fabrication, repair, or overlay welding, this filler wire consistently delivers strong, ductile, and corrosion-resistant welds that stand the test of time.

• Specification ER2594 MIG & TIG Welding Wire

  Classification	AWS A5.9, ER2594
  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 ER2594 MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

• Equivalent Grade Of AWS ENiCrMo-4 Coated Electrodes

  Class	UNS	Oxford Alloys	SANDVIK	BOHLER	UTP
  ER2594	S39209	Alloy 2594	EXATON 25.10.4.L	BOHLER AVESTA 2507/P100

• ER2594 MIG & TIG Welding Wire Chemical Composition

  Diameter	Type of Power	Amperage	Volts	Stickout	98% Ar/ 2% O2 (cfh)
  .035”	DCEP	150-225	23-26	1/2”-3/4”	35
  .045”	DCEP	200-325	24-28	1/2”-3/4”	35
  1/16”	DCEP	300-350	24-27	1/2”-3/4”	35

• ER2594 MIG & TIG Welding Wire Parameters

  Diameter		Process	Volt	Amps	Shielding Gas
  in	(mm)
  .035	0.9	GMAW	22-23	180-210	Spray Transfer 98% Argon / 2% Oxygen
  .045	1.2	GMAW	23-25	195-260
  1/16	1.6	GMAW	25-28	260-390
  .035	0.9	GMAW	19-23	55-170	Short Circuiting Transfer 90% Helium / 7 ½ % Argon / 2 ½ CO2
  .045	1.2	GMAW	19-23	100-185
  1/16	1.6	GMAW
  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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