LINCOLNWELD® LA-71 - 1/8 IN (3.2 MM) - 60 LB COIL
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LINCOLNWELD® LA-71 Submerged Arc Welding Wire — 1/8 in (3.2 mm), 60 lb Coil
Part #: ED011051 | Brand: Lincoln Electric | Classification: EM12K
Product Overview
The LINCOLNWELD® LA-71 is a premium copper-coated, low-carbon submerged arc welding (SAW) wire engineered for high-quality mild steel fabrication. This 1/8 in (3.2 mm) diameter wire comes wound on a convenient 60 lb coil, making it ideal for medium-to-large production welding shops, structural steel fabricators, and pressure vessel manufacturers.
What sets LA-71 apart is its medium manganese and medium silicon composition with an added 0.1% titanium content. This titanium addition gives the deposited weld metal excellent resistance to strength loss during extended post-weld heat treatment (PWHT) cycles — a critical advantage for thick-section and code-welding applications that require stress relieving.
Key Features & Benefits
- Titanium-Enhanced Formula – the small titanium addition allows weld deposits to be stress-relieved with minimal loss of strength, even with extended stress relief times
- Versatile Flux Compatibility – widely used with neutral, basic submerged arc fluxes in both as-welded and post-weld heat-treated conditions
- Consistent, Traceable Quality – Type 3.1 mill certificates showing chemical composition are available for every lot through Lincoln Electric's online certificate center
- Copper-Coated Finish – promotes smooth wire feeding, stable electrical contact, and reduced burn-back
- 60 lb Coil Format – reduces changeover downtime compared to smaller spools, ideal for automated and semi-automated SAW systems
Typical Applications
- Structural steel fabrication and heavy plate welding
- Pressure vessel and boiler manufacturing
- Shipbuilding and offshore fabrication
- Pipe mills and storage tank construction
- Any application requiring code-quality welds with post-weld stress relief
Specifications
| Attribute | Detail |
|---|---|
| Diameter | 1/8 in (3.2 mm) |
| Package Weight | 60 lb coil |
| AWS Classification | EM12K |
| Base Composition | Low carbon, medium manganese, medium silicon steel with ~0.1% titanium |
| Recommended Process | Submerged Arc Welding (SAW) |
| Flux Type | Neutral, basic fluxes |
| Coating | Copper-coated |
Why Choose LINCOLNWELD LA-71?
Backed by Lincoln Electric's decades of welding consumable expertise, the LA-71 wire delivers dependable arc performance, low spatter, and clean weld bead appearance — helping fabricators meet demanding structural and pressure vessel codes while minimizing rework and inspection failures.
