Monolith ER308L Stainless Steel Welding Rods – TIG Filler Metal (3/32” / 2.5mm)

The Monolith ER308L Stainless Steel Welding Rods are a high-quality TIG (GTAW) filler metal designed for welding 304 and 304L stainless steels. Built for corrosion resistance, crack resistance, and high-temperature performance, these rods are ideal for demanding applications across food processing, chemical, and industrial fabrication.

With a low carbon (L-grade) composition, ER308L minimizes carbide precipitation, helping prevent intergranular corrosion and ensuring long-lasting weld integrity.

🔧 Key Features

• ER308L Stainless Steel Filler Metal
  Ideal for welding 304 / 304L stainless steels
• Low Carbon (L-Grade)
  Reduces risk of corrosion and improves weld durability
• Excellent Crack Resistance
  Designed for stability in demanding welding conditions
• High Temperature & Scale Resistance
  Withstands temperatures up to 850°C (1562°F)
• Controlled Ferrite Content (~FN 10)
  Helps prevent hot cracking during solidification
• Alternative to 308LSi
  Preferred where lower silicon content is required

⚙️ Specifications

• Diameter: 2.5 mm (3/32")
• Length: 1000 mm (39.37")
• Package Weight: 5 kg (11 lb)
• Current Type: Direct Current (DC)
• Shielding Gas: Argon

🛡️ Certifications & Standards

• AWS A5.9: ER308L
• CSA W48: ER308L
• EN ISO 14343-A: W 19 9 L

Manufactured to meet global welding standards for stainless steel applications.

🔥 Performance & Properties

• Crack Resistance: High resistance to hot cracking
• Cavitation Resistance: Suitable for fluid-exposed components
• Thermal Stability: Maintains strength under heat cycling
• Scale Resistance: Up to 850°C (1562°F)
• Ferrite Content: ~4.5% (FN ~10)

⚠️ Usage Notes

• Use with argon shielding gas for optimal results
• DC welding recommended
• Not recommended for environments with high sulfur exposure

📍 Available Sizes

• 1.6 mm (1/16") – 5 kg (11 lb)
• 2.5 mm (3/32") – 5 kg (11 lb)
• 3.2 mm (1/8") – 5 kg (11 lb)

🏭 Ideal Applications

• Food and beverage processing equipment
• Chemical and petrochemical industries
• Stainless pipelines and pressure vessels
• Tanks, boilers, and heat exchangers
• General stainless steel fabrication

💡 Why Choose Monolith ER308L?

When you need clean, corrosion-resistant stainless welds without the risks of high silicon fillers, Monolith ER308L is the right choice. It offers excellent weld integrity, strong mechanical properties, and reliable performance in critical applications.