UTP A 3545NB MIG & TIG Welding Wire

The UTP A 3545NB MIG & TIG Welding Wire welding wire, offered by Metals And Welding Specialities, is a high-performance filler material engineered for precision and durability in critical welding applications. Designed for both MIG (Metal Inert Gas) and TIG (Tungsten Inert Gas) welding processes, this alloy delivers superior results when joining or overlaying corrosion-resistant steels, particularly in chemical, petrochemical, and marine industries. Manufactured to meet the stringent standards of UNS S35500 and ASTM A580 Grade 355, this wire provides consistent mechanical integrity and excellent resistance to oxidation and scaling even at elevated temperatures.

The UTP A 3545NB filler wire ensures smooth and stable arc performance, reduced spatter formation, and excellent wetting characteristics, making it an ideal choice for both automated and manual welding operations. Its controlled ferrite content enhances toughness and crack resistance, while the balanced composition ensures exceptional weldability on various stainless steel base materials. This wire is particularly suitable for joining austenitic stainless steels of similar composition and can also be used for dissimilar welds where high resistance to corrosion and heat is essential.

Every spool of UTP A 3545NB undergoes rigorous quality inspection to ensure it meets global welding standards. The wire is produced under strict metallurgical control, guaranteeing a uniform diameter and smooth feeding through standard MIG and TIG equipment. The combination of nickel, chromium, and molybdenum elements provides high strength and stability in aggressive working environments, helping fabricators achieve reliable, defect-free joints.

Professionals across industries rely on this welding wire for applications in pressure vessels, food processing equipment, piping systems, pharmaceutical machinery, and heat exchangers. Its superior corrosion resistance against chlorides and acidic media makes it an ideal solution for environments exposed to chemical attack or high moisture. Whether you are performing root passes or overlay cladding, UTP A 3545NB MIG & TIG Welding Wire wire ensures unmatched consistency, smooth bead appearance, and long-term performance.

Metals And Welding Specialities is proud to supply authentic UTP A 3545NB wire, backed by expert technical support and a commitment to customer satisfaction. Our dedication to precision-engineered welding consumables ensures that every product we deliver enhances productivity, safety, and quality in your operations. With our extensive inventory and industry expertise, you can count on us for dependable supply, timely delivery, and professional guidance in selecting the right welding solutions for your specific requirements.

• Specification UTP A 3545NB MIG & TIG Welding Wire

  Classification	EN ISO 14343-A | EN ISO 18274
  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.
  UTP A 3545NB MIG & TIG Welding Wire Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

• Equivalent Grade Of UTP A 3545NB Coated Electrodes

  Class	UNS	Oxford Alloys	DIN
  UTP A 3545NB MIG & TIG Welding Wire	UNS S35500	Oxford Alloy 355	DIN 1.4550

• UTP A 3545NB MIG & TIG Welding Wire Chemical Composition

  C	Si	Mn	Cr	Ni	Nb	Ti	Zr	Fe
  0.4	1.0	1.7	25.5	35.5	1.2	+	+	Balance

• UTP A 3545NB MIG & TIG Welding Wire Parameters

  Welding Process	Shielding Gas	Polarity	Wire Diameter (mm)	Current (A)	Voltage (V)
  MIG (GMAW)	Argon + 2% CO₂ or Argon + 2% O₂	DCEP (+)	0.8 – 1.2	80 – 220	18 – 28
  TIG (GTAW)	100% Argon	DCEN (−)	1.6 – 3.2 (Rod)	50 – 160	As required by arc length

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