What wire diameter is the Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire available in?

The Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire is available in 3/32 diameter. Wire diameter selection depends on base metal thickness and travel speed requirements: .023 in suits thin sheet metal (up to 3/16 in), .030 in is versatile for 1/8–1/4 in, .035 in is the most common all-purpose diameter for 3/16–1/2 in steel, and .045 in or larger suits heavy plate and high-deposition applications.

What shielding gas or flux type does the Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire require?

The Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire is a flux-cored wire. Flux-core wire comes in two types: FCAW-G (gas-shielded, dual-shield) requires external shielding gas (typically 75% Ar/25% CO2 or 100% CO2) for full protection; FCAW-S (self-shielded, innershield) generates its own shielding from the flux core and requires no external gas. The AWS classification E70T-6-H16 indicates gas-shielded operation.

What is the deposit strength of the Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire?

For E70T-6-H16: Deposit tensile strength for mild steel solid MIG wire (ER70S-x) is approximately 70,000 PSI (483 MPa) minimum. For stainless filler metals, the deposit strength matches the base alloy grade. For flux-core wires, strength and chemistry vary by classification — refer to the AWS classification on the package for the exact mechanical property requirements.

What spool size is the Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire available in?

The Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire is available in 25 lb, 50 lb spool/coil sizes. Smaller spools (2 lb, 10 lb) fit most hobby and light commercial feeders. Larger spools (33 lb, 44 lb) are standard for production welders with 12 in spool capacity. Drums and coils (250–600 lb) are used with bulk drum feeders for robotic and high-production applications.

How should I store the Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire to prevent weld quality issues?

Store MIG wire in a clean, dry location away from humidity. Moisture absorption causes porosity in the weld — mild steel wire is particularly susceptible. If wire has been exposed to moisture, it may show surface rust; lightly rusted wire can sometimes be used but should be wiped before feeding. Flux-core and low-hydrogen electrodes require stricter moisture control than solid wire. Keep spools in their original packaging or sealed containers with desiccant packets when not in use.

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Lincoln Innershield NR-305 3/32 inch FCAW-S Welding Wire

SKU: ED034185

$220.53 ~~$242.25~~

Package Size

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Overview

Lincoln Innershield® NR-305 3/32 inch self-shielded flux-cored welding wire is designed for in-position, high deposition welding on carbon steel. Recommended for single or multiple pass, automatic and semiautomatic welding applications requiring maximum productivity.

Features

High deposition rates in the flat and horizontal positions maximize productivity and reduce welding time
Smooth arc performance and low spatter levels for clean, high-quality welds
Capable of producing weld deposits with impact properties exceeding 27 J (20 ft·lbf) at -29°C (-20°F) for low-temperature service
Welds effectively on lightly rusted or primed plate without extensive surface preparation
AWS D1.8 structural steel seismic supplement test data available in the Lincoln Electric Certificate Center

Typical Applications

General plate fabrication and heavy structural assembly
Structural fabrication, including buildings and structures subject to seismic requirements
Shipyards and marine applications - stiffener welding on barges and vessels
Bridge construction and offshore rig fabrication
Welding over tack welds made with stick electrode

Welding Positions

Flat and Horizontal positions only

Shielding Gas

Self-shielded - No external shielding gas required

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Product Overview

Features

High deposition rates in the flat and horizontal positions maximize productivity and reduce welding time
Smooth arc performance and low spatter levels for clean, high-quality welds
Capable of producing weld deposits with impact properties exceeding 27 J (20 ft·lbf) at -29°C (-20°F) for low-temperature service
Welds effectively on lightly rusted or primed plate without extensive surface preparation
AWS D1.8 structural steel seismic supplement test data available in the Lincoln Electric Certificate Center