Resources

Short Circuit vs Spray Transfer: Choosing Your MIG Mode

ER70S-6 RoboPak carbon steel MIG wire 550 lb drum
Short circuit and spray are the two most common MIG transfer modes. Learn how gas, wire, voltage and material thickness decide which one fits your job.

Best MIG Wire for Welding Over Rust and Mill Scale

ER70S-6 MIG welding wire 550 lb drum for welding over mill scale and light rust
Why ER70S-6 is the go-to solid MIG wire for steel with light rust or mill scale, how to prep, and when grinding is the only real answer.

MIG Wire Diameter by Metal Thickness: Sizing Chart

ER70S-6 mild steel MIG welding wire spool
How to match ER70S-6 MIG wire diameter (.023", .030", .035", .045") to base metal thickness — a starting chart plus the machine, position and fit-up factors that change the answer.

Solid MIG Wire vs Flux-Cored Wire: How to Choose

E71T-1 gas-shielded flux-cored welding wire on a 33 lb spool
Solid ER70S-6 or flux-cored E71T-1, E71T-11, E71T-GS? Compare shielding gas, polarity, passes, and cost so you pick the right mild-steel wire for the job.

MIG Wire vs. TIG Rod: Choosing the Right ER70S Filler

ER70S-6 MIG welding wire spool alongside TIG filler rod
MIG wire or TIG rod? And ER70S-6 vs ER70S-2 for TIG — compare process, gas, polarity, and best uses for mild-steel filler metal before you buy.

ER4043 vs ER5356 Aluminum Welding Wire: How to Choose

ER4043 aluminum MIG welding wire 16 lb spool
ER4043 runs easier and resists cracking; ER5356 is stronger and better for anodizing and marine work. Here's how to pick the right aluminum filler.

ER70S-6 MIG Welding Wire: Complete Buyer's Guide

ER70S-6 mild steel MIG welding wire spool
What ER70S-6 is, the right shielding gas, machine settings by wire size, top applications, and brand equivalents (L-56, Spoolarc 86, HB-28).