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What are the key differences between ER 308, ER 308L, and ER 308LSi stainless steel sub-arc wires?
ER, 308, ER 308L, and ER 308LSi are three distinct variants of Stainless Steel Sub-arc Wires, each designed to cater to specific welding requirements. The key differences lie in their chemical compositions and intended applications. ER 308 contains 18% chromium and 8% nickel, making it suitable for general-purpose welding of austenitic stainless steels like 304 and 304L.
On the other hand, ER 308L has a lower carbon content, providing improved resistance to intergranular corrosion. It is particularly favoured for welding low-carbon 304L stainless steel components in environments prone to sensitization.
ER 308LSi incorporates silicon as an alloying element, which enhances the wire's weldability and fluidity, reducing the risk of porosity. That makes ER 308LSi ideal for joining stainless steel types 304, 304L, and similar grades in applications demanding precision and smooth welds, such as thin sheets and intricate structures. The selection of the appropriate wire depends on the specific stainless steel being welded and the desired mechanical properties of the joint.
Table Of Content
About ER308 Stainless Steel Sub Arc Wires
ER-308L Stainless Steel Sub Arc Wire Specification
Stock Availability of SS ER308Lsi Sub ARC Wire
Equivalent Grades Of ER308 Stainless Steel Sub Arc Wire
Chemical Composition of SS ER 308L Sub Arc Wires
Mechanical Properties of SS ER308Lsi Sub Arc Wire
Stainless Steel ER308 Sub Arc Wires Ready Stock
ER308L Stainless Steel Sub Arc Wires Applications and Uses
Supply & Export Destinations of ER308 Stainless Steel Sub Arc Wire
Which applications best suit ER 308, ER 308L, and ER 308LSi stainless steel sub-arc wire?
ER, 308, ER 308L, and ER 308LSi Stainless Steel Sub-arc Wires excel in different welding applications due to their unique properties. ER 308 is well-suited for general-purpose welding of austenitic stainless steel grades like 304 and 304L, making it a versatile choice for various industries, including food processing, chemical equipment fabrication, and architectural applications. ER, 308L is particularly ideal for welding low-carbon versions of 304 stainless steel, as it offers improved resistance to intergranular corrosion, making it suitable for applications where sensitization may be a concern, such as in corrosive environments or for components used in oil and gas industry.
ER 308LSi, with its added silicon content, is a superior option for applications that demand high-quality, porosity-free welds, such as thin sheets, pipes, and precision components used in the automotive and aerospace industries. It is often used for dissimilar metal welding, enabling the joining of stainless steel to carbon steel or other materials. The selection of the appropriate sub-arc wire depends on the specific stainless steel composition, welding requirements, and desired mechanical properties for the intended application.
| Classification | AWS A5.9-A5.9M |
|---|---|
| Sub Arc Wire Size | 1.60 mm – 5.00 mm |
| Packing | 25 kgs. or 60 lbs. layer wound coils with core or H 400 plastic spools or K 415 metal wire baskets |
| Type | Submerged ARC Welding Wire/Flux, Submerged Arc (Saw) Wires |
| Material / Grade | Stainless Steel / ER 308 |
| Diameters | 2.0mm-4.0mm |
| Wire Finish | Bright & Matt Finish |
| Thickness | 1.6 mm to 6 mm (1/16 in. to 1/4 in |
| Application & uses |
Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry |
| Class | UNS | Oxford Alloys | BOHLER | UTP |
| E308 | W30813 | Alloy 308 | BOHLER FOX E A S 2 E 308 | UTP 68 LC 308 |
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.04 | 18.0-21.0 | 9.0-11.0 | 0.75 | 0.5-2.5 | 1.00 | 0.04 | 0.03 | 0.75 |
| Material | Ultimate Tensile Strength | Offset Yield Strength 0.2 % | Elongation (%) | ||
|---|---|---|---|---|---|
| psi | MPa | psi | MPa | ||
| ER 308/ 308L | 84,100 | 580 | 58,000 | 400 | 42 |
Stainless Steel ER308 Sub Arc Wires in General Fabrication
Stainless Steel ER308L Sub Arc Wires in Automotive Welding
Stainless Steel ER308LSi Sub Arc Wire in Robotic Welding
Stainless Steel ER308 Sub Arc Wire in Tack Welding
Stainless Steel ER308L Sub Arc Wire in Railroads
SS ER308Lsi Sub Arc Wire in Construction And Infrastructure
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Your #1 Source for ER308 Stainless Steel Sub Arc Wire
Stainless Steel ER308 Sub ARC Wire Stock Availability
Submerged Arc Welding Wire
Wire Used In Submerged Arc Welding (SAW) Is One Type Of Welding Consumable. It is used to form the weld joint between two workpieces and is composed of a continuous wire that is either solid or flux-cored. An automatic or semi-automatic welding process known as SAW creates an arc between the wire and the workpiece while covering the welding zone with granular flux to shield it from atmospheric contamination.
Grade 308L ER308L SAW Wires, ASME SFA A5.14 ERNiCu-7 SAW & Flux, AWS A5.14 Submerged Arc Welding Wire Supplier, Oxford Alloy 60 Submerged Arc Welding Wire, 308l Flux Core Wire, 308L Stainless Steel SAW Wires, 308 Stainless Steel Saw Wires, SAW Wire Stockist.
Submerged Arc Welding Fluxes
Submerged Arc Welding (SAW) fluxes are an essential component of the SAW process. They are granular substances that are used in conjunction with a continuous welding wire to facilitate the welding process. When the welding wire is fed into the joint, the flux covers the welding zone, protecting the molten metal from atmospheric contamination. The flux also plays a vital role in determining the properties of the weld and the overall welding performance.
Submerged Arc Welding Consumables, Fluxes and Wires (SAW) For Stainless Steel, AWS Class ER308/308L SAW & Flux Welding Wire, Submerged Arc Welding Flux Suppliers, AWS Class ER308/308L SAW & Flux Stockist.