316LT1-1 Flux Cored Welding Wire – High-Performance Stainless Steel Welding Solution

Premium 316LT1-1 FCAW Wire for Corrosion-Resistant and Cryogenic Applications

316LT1-1 flux cored welding wire is a high-grade stainless steel, rutile-type FCAW wire engineered for critical industrial applications requiring corrosion resistance, toughness, and precision welds. It delivers exceptional mechanical strength and metallurgical stability across multiple positions, making it ideal for food processing, pharmaceutical, chemical, and marine industries.

Manufactured according to AWS A/SFA 5.22 SS316LT1-1, EN ISO 17633-A, and TS316LT1-1 standards, this wire ensures consistent weld quality and compliance with international safety and material codes.

Core Features of 316LT1-1 Stainless Steel Flux Cored Wire

All-position welding capability for complex and overhead applications

Smooth, uniform weld bead for high-quality finishes

Easy slag removal for minimal post-weld cleaning

Low spatter and low fume generation for cleaner welding operations

Suitable for single-pass and multi-pass welding projects

High deposition rate, enhancing productivity in industrial fabrication

These features make 316LT1-1 FCAW wire a trusted choice for high-reliability welds in critical environments.

Chemical and Mechanical Excellence

Chemical Composition: The weld metal of 316LT1-1 contains approximately 0.03% Carbon, 1.8% Manganese, 0.5% Silicon, 18.5% Chromium, 12% Nickel, and 2.5% Molybdenum, offering superior corrosion resistance, pitting resistance, and high-temperature stability.

Mechanical Performance: In the as-welded condition, this wire delivers an ultimate tensile strength of 560 MPa and yield strength of 400 MPa at 0.2% offset, with elongation around 30% and impact toughness suitable for 20°C service conditions. This combination ensures durable, reliable, and ductile welds under demanding operational conditions.

Mechanical Properties of 309LT1-1 Flux Cored Welding Wire

The weld metal produced by 309LT1-1 welding wire exhibits outstanding mechanical performance in the as-welded condition. Typical ultimate tensile strength is around 580 MPa, with yield strength at 0.2% offset approximately 430 MPa. The weld metal demonstrates good elongation of 26% and impact toughness around 52 Joules, ensuring resistance to cracking and reliable structural integrity.

These properties make the wire ideal for heat exchangers, furnace parts, and dissimilar metal welds requiring both strength and ductility

Applications of 316LT1-1 FCAW Wire

The 316LT1-1 welding wire is widely used in industries requiring hygienic, chemical, and marine-grade performance:

Pharmaceutical and food processing equipment fabrication

Chemical storage and processing tanks

Pulp and paper industry machinery

Marine and offshore structural components

Heat exchangers and boiler systems

Cryogenic storage and piping applications

Its corrosion resistance, mechanical strength, and low-temperature performance make it ideal for both offshore and industrial process environments.

Welding Parameters and Usage Guidelines

• Available Diameters: 1.2 mm and 1.6 mm
  
  

• Recommended Amperage: 130–270 A for 1.2 mm; 200–350 A for 1.6 mm
  
  

• Welding Current: DCEP (Electrode Positive)
  
  

• Shielding Gas: CO₂ or Argon-CO₂ mixture (reduce 1–2 volts if using mixed gas)
  
  

• Packaging: Supplied in 15 kg vacuum-sealed packs, layer wound on durable plastic spools to prevent moisture absorption and ensure consistent wire feeding.
  
  

For best results, follow appropriate preheat and post-weld heat treatment procedures in accordance with your WPS.

Why 316LT1-1 Is the Preferred Stainless Steel FCAW Wire

Provides high-quality single-pass and multi-pass welds with minimal spatter

Delivers long-lasting welds in aggressive chemical and marine environments

Trusted by fabricators, EPC contractors, and OEMs for critical stainless steel fabrication

Ensures corrosion and cryogenic resistance for specialized industrial projects

Whether you’re welding pressure vessels, chemical tanks, or marine structures, 316LT1-1 flux cored wire ensures precision, strength, and reliability.

Key Features

• All position capability

• Radiographic quality weld

• Rutile type gas shielded FCW wire

• Easy slag removal, smooth weld bead

• Suitable for single and multi-pass welds

• Low fumes, Minimal spatters, High deposition rate

FLUX CORED WIRE

Bulk Orders and Technical Support

We provide bulk supply of 316LT1-1 welding wire along with technical guidance on welding parameters, preheat/post-weld procedures, and project-specific applications. Our team ensures optimal performance and consistency for industrial and offshore welding projects.