The Böhler Thermanit GE-316LSi Stainless MIG Wire (ER316LSi) is a premium austenitic stainless steel wire electrode developed for superior corrosion resistance, heat stability, and weld quality. Designed for joining and surfacing austenitic stainless steels, it delivers clean, strong, and reliable welds across a wide range of Cr-Ni and Cr-Ni-Mo steels and cast steel grades.
Engineered to withstand wet corrosion up to 400°C (752°F) and remain nonscaling and heat-resistant up to 800°C (1472°F), this low-carbon filler wire also offers excellent resistance to intergranular corrosion. Its composition minimizes carbide precipitation, ensuring long-term corrosion resistance in demanding environments such as chemical processing, marine, food, and cryogenic industries.
The enhanced silicon (Si) content provides excellent arc stability, wetting action, and smooth bead formation, resulting in spatter-free, high-quality welds. The Thermanit GE-316LSi performs reliably in low-temperature service down to –196°C (–320°F) and is suitable for both manual and automated MIG/MAG welding setups.
Type: Stainless Steel MIG Welding Wire
Grade: ER316LSi / 72501
Diameter: 1.0mm
Reel Weight: 15kg
Material: Austenitic Cr-Ni-Mo Stainless Steel
Corrosion Resistance: Excellent resistance to wet and intergranular corrosion up to 400°C
Heat Resistance: Stable and nonscaling up to 800°C
Low-Carbon Formulation: Prevents carbide precipitation for improved corrosion resistance
High Silicon Content: Ensures smooth bead formation, superior wetting, and arc stability
Temperature Range: Suitable for service down to –196°C (–320°F)
Weld Quality: Clean, spatter-free performance with glossy weld appearance
Compatibility: Ideal for Cr-Ni and Cr-Ni-Mo steels and related cast grades
Chemical and petrochemical plant construction
Food and beverage processing equipment
Marine and offshore fabrication
Pressure vessel and piping systems
Cryogenic and refrigeration components
Structural and general stainless steel fabrication
AWS/ASME: ER316LSi
EN ISO 14343-A: G 19 12 3 LSi