Domestic Market
318Si welding wire is designed for welding stabilized stainless steels such as 316Ti and 316Nb that are used in corrosive and demanding service conditions. This product is commonly applied in pipe, plate, and vessel fabrication where resistance to corrosion and long-term durability are essential. The weld metal offers strong protection against crevice corrosion caused by oxidizing acids, making 318Si suitable for critical industrial applications that require reliable stainless steel joints.
Key Features and Benefits
318Si welding wire is developed to provide stable performance and consistent weld quality in stainless steel fabrication.
- Designed For Stabilised Stainless Steels Suitable for welding 316Ti and 316Nb grades used in corrosion-resistant applications.
- High Resistance To Crevice Corrosion Weld metal performs well in oxidizing acid environments, improving the service life of welded components.
- Good Mechanical Strength Provides strong weld joints with reliable tensile strength and ductility.
- Smooth Welding Performance Precision layer wound wire supports steady feeding and stable arc behavior.
- Clean Weld Appearance Produces uniform weld beads, reducing the need for extensive finishing.
- Suitable for MIG welding Designed for DC positive welding conditions for consistent results.
These benefits make 318Si welding wire suitable for fabrication work where corrosion resistance and strength are critical.
Specifications
The table below outlines the key mechanical properties and welding conditions of 318Si welding wire.
|
Product Name |
AWS SFA Classification |
Yield Strength N mm² |
Tensile Strength N mm² |
Elongation A5 Percent |
Impact Energy ISO V at 20 C |
Welding Conditions |
|---|---|---|---|---|---|---|
|
SUPERMIG 318Si |
ER 318Si |
≥ 400 |
≥ 550 |
≥ 30 |
≥ 65 |
DC Positive |
Properties
Superon 318Si welding consumables are austenitic stainless steel electrodes specially designed for demanding industrial applications where corrosion resistance, mechanical strength, and weld reliability are critical.
- Austenitic Stainless Steel Weld Metal: Provides excellent corrosion resistance and toughness, making it suitable for both fabrication and repair of stainless steel components
- Molybdenum Alloyed: Enhances resistance to pitting and crevice corrosion in chloride-rich and chemically aggressive environments
- High Mechanical Strength: Offers good tensile strength, ductility, and toughness, ensuring welded joints can withstand stress, vibration, and thermal expansion without failure
- Smooth and Uniform Weld Beads: Produces clean, attractive welds with excellent wetting and minimal spatter, reducing post-weld finishing
- Stable Arc Performance: Delivers reliable welding with consistent metal transfer in both MIG and TIG processes
- Versatile Applications: Suitable for chemical processing equipment, piping systems, industrial fabrication, and maintenance in corrosive environments
These properties make 318Si electrodes a dependable choice for safe, durable, and high-quality stainless steel welds across a wide range of industrial applications.
Related Products
We offer a range of stainless steel welding consumables that complement 318Si and support diverse industrial applications:
- 316 and 316L Stainless Steel Welding Wires: Provide excellent corrosion resistance for chemical, marine, and industrial environments
- 316Ti and 316Nb Stainless Steel Consumables: Stabilized grades ideal for high-temperature service and minimizing intergranular corrosion in welded joints
- 347 and 347H Stainless Steel Welding Wires: Niobium-stabilized wires offering superior resistance to intergranular corrosion and reliable high-temperature performance
- 309 Series Stainless Steel Welding Wires: Designed for joining dissimilar metals and buffer layer applications, delivering strong and crack-resistant welds
These products ensure versatile, durable, and high-quality welding solutions for fabrication, repair, and maintenance across challenging environments.
