308L Welding Wire for Stainless Steel

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308LStainless Steel Filler Wire

308L welding wire is a versatile, extra-low carbon (20 Cr/9-10 Ni) consumable designed for high-quality welds on austenitic stainless steels like AISI 301, 302, 304, 304L, 308, 308L, 321, and 347. Available in SUPERMIG, SUPERTIG, and SUPERSAW variants, it excels in MIG, TIG, and submerged arc welding, delivering superior corrosion resistance, strength, and durability for demanding applications.

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Key Features and Benefits

Superon 308L welding wire offers unmatched performance for welding austenitic stainless steels, combining strength, durability, and corrosion resistance for every application.

Low Carbon Content: The low carbon in 308L wire prevents the formation of carbides during welding, which can weaken the joint and cause corrosion. This ensures the welded area stays strong and durable even in tough or corrosive environments.
Versatile Compatibility: ER 308L is designed to work well with 18 Cr/8 Ni austenitic stainless steels across MIG, TIG, and Submerged Arc Welding processes, making it suitable for a wide range of stainless steel welding projects.
Superior Corrosion Resistance: 308L offers excellent resistance to rust and chemical attack, making it ideal for high-temperature applications, chemical tanks, food-grade equipment, and any setting where contamination and corrosion must be avoided.
Multiple Finishes And Sizes : Available in bright, matte, and semi-bright finishes, and in diameters from 0.60 mm to 5.00 mm, this wire provides flexibility for precise welding requirements and ensures smooth, clean welds on different surfaces.
Reliable Packaging: Offered in spools, drums, tubes, and coils ranging from 5 kg to 250 kg, the packaging ensures safe storage, easy handling, and convenience for both small and large-scale industrial use.
Process-Specific Excellence: 308L performs consistently in all welding processes: it gives a stable arc in MIG (DC+), precise, clean beads in TIG (DC-), and strong, durable welds in Submerged Arc Welding when combined with flux.

With these features, 308L stainless steel filler wire delivers consistent, high-quality welds, making it a trusted choice for professional welders and industrial applications where strength, durability, and corrosion resistance are critical.

Specifications

Refer to this detailed table for SUPERMIG, SUPERTIG, and SUPERSAW 308L variants, including sizes, finishes, and packaging.

Product Name	AWS/SFA	Yield Strength (N/mm²)	Tensile Strength (N/mm²)	Elongation A5 (%)	Impact Energy ISO-V (J) at -20°C	Welding Conditions
SUPERMIG 308L	ER 308L	≥350	≥550	≥35	≥70	DC(+)
SUPERTIG 308L	ER 308L	≥350	≥550	≥35	≥70	DC(-)
SUPERSAW 308L	ER 308L	≥350	≥550	≥35	≥47

Properties

308L stainless steel filler wire is a highly reliable and versatile welding material, designed for strong, corrosion-resistant welds across a variety of applications. Its key properties include:

Excellent Mechanical Strength: Yield strength ≥350 N/mm², tensile strength ≥550 N/mm², elongation ≥35%.
Good Impact Resistance: Impact energy up to ≥70 J at -20°C (for MIG and TIG wires).
Versatile Welding Compatibility: Suitable for MIG, TIG, and Submerged Arc Welding processes.
Wide Material Compatibility: Works with austenitic stainless steels like AISI 304, 304L, 308, 308L, 321, and 347.
Variety of Sizes and Finishes: Available in diameters from 0.60 mm to 5.00 mm with bright, matte, and semi-bright finishes.
Stable Performance Across Applications: Used in food & beverage equipment, chemical tanks, pressure vessels, pipes, and heavy fabrication projects.

These properties make 308L welding wire a better choice for professionals seeking durable, high-quality welds in even the most demanding environments.