Welding Rod Amperage Charts & Hydraulic Fitting Thread Data

Amperage charts, spec comparisons, and thread data. All sourced from AWS and SAE standards.

E7018 Amperage Chart Compare Electrodes
E7018110-160AE601075-130AE601175-130AE601370-120AER70S-650-220AE71T-1140-175A
Data from AWS A5.1, A5.18, A5.20, SAE J514, SAE J1453 · Last verified Feb 2026

Amperage Quick Reference

Most common diameter per rod
ElectrodeSizeAmpsProcess
E70181/8"110-160AStick Welding
E60101/8"75-130AStick Welding
E60111/8"75-130AStick Welding
E60131/8"70-120AStick Welding
ER70S-60.035"50-220AMIG Welding
E71T-110.035"40-175AFlux-Core Welding

Need a different diameter? Each electrode page has the full chart. Browse all 30 electrodes.

All Electrodes & Wire

By process
Stick Welding E6010 Deep-penetrating pipe welding rod. Burns hot, digs hard, cuts through rust and dirt. DC only. 40-320A Stick Welding E6011 The AC version of 6010. Deep penetration on dirty steel, works on any welder. 40-320A Stick Welding E6012 Gap-bridging rod for poor fit-up joints. Heavy slag, medium penetration. Mostly replaced by E6013. 40-350A Stick Welding E6013 Easy-to-run rod for thin, clean metal. Low penetration, smooth arc, minimal spatter. Great for beginners. 40-300A Stick Welding E7014 Fast-depositing 70 ksi rod for non-critical fillet welds. Like a stronger E6013 with more iron powder. 80-350A Stick Welding E7018 The go-to stick rod for strong, clean welds on structural steel. Runs smooth, low spatter, all positions except vertical-down. 65-400A Stick Welding E7024 High-speed drag rod for flat and horizontal fillet welds only. Maximum deposition, minimal skill required. 100-365A MIG Welding ER70S-6 The standard MIG wire for mild steel. Works on everything from sheet metal to heavy plate. Handles some rust and oil. 30-350A MIG Welding ER70S-3 Cleaner MIG wire for clean steel. Less silicon residue than ER70S-6, but less forgiving on dirty metal. 40-340A Flux-Core Welding E71T-11 Flux-core wire that needs no gas. Best for outdoor welding, farm repairs, and field work. 30-225A Flux-Core Welding E71T-GS Single-pass flux-core wire for thin steel and home projects. The small spool you find at hardware stores. 25-150A TIG Welding ER70S-2 Premium TIG filler rod for the cleanest possible carbon steel welds. Triple-deoxidized for maximum purity. 40-220A Stick Welding E6020 Heavy-deposition flat and horizontal rod. High iron powder content gives fast fill rates on thick plate. 100-425A Stick Welding E7016 Low-hydrogen rod that runs on AC. The answer when you need E7018-quality welds but only have an AC welder. 55-300A Stick Welding E308L-16 The standard stainless steel stick rod. Matches 304/304L austenitic stainless base metal. 30-160A Stick Welding E309L-16 Dissimilar metal rod. Joins stainless to carbon steel, or welds 309 stainless base metal. 30-170A Flux-Core Welding E71T-1 Gas-shielded flux-core for production welding. Higher deposition than solid MIG wire with better out-of-position performance. 150-500A MIG Welding ER308L Standard stainless MIG and TIG wire. Matches 304/304L for all austenitic stainless welding. 40-300A MIG Welding ER4043 The general-purpose aluminum MIG and TIG wire. Flows easily, resists cracking. Default choice for most aluminum welding. 50-250A MIG Welding ER5356 High-strength aluminum wire for 5xxx series alloys. Better color match, higher shear strength than 4043. 50-250A E316L-16 Molybdenum-bearing stainless stick electrode for marine, chemical, and chloride environments. 40-160A E310-16 25Cr-20Ni high-temperature stainless electrode for furnace parts, kiln linings, and heat-treating fixtures. 40-155A E312-16 High-chromium, high-nickel stainless electrode for dissimilar metals and unknown stainless alloys. Maximum crack resistance. 40-165A ER309L Stainless wire for joining stainless to carbon steel, or for cladding carbon steel with stainless overlay. 40-200A ER316L Molybdenum-bearing stainless wire for marine, chemical processing, and chloride-exposed applications. 40-200A E7018-1 E7018 with mandatory Charpy impact testing at -20F. Required for structural code work and seismic applications. 65-280A ER80S-D2 80,000 psi MIG wire with molybdenum for welding high-strength low-alloy (HSLA) steels and chrome-moly piping. 50-350A E71T-8 Self-shielded flux-core wire with seismic demand classification. Approved for AWS D1.8 welding in seismic zones. 130-350A E81T1-Ni1 Gas-shielded nickel flux-core wire rated for -40F impact toughness. For low-temperature structural and pressure vessel work. 130-380A ER4047 12% silicon aluminum wire for brazing, tight-joint welding, and applications needing maximum fluidity and crack resistance. 50-180A

Comparisons

46 side-by-side breakdowns

Each comparison covers spec differences, practical trade-offs, and the most common mistake people make.

E6010 vs E6011 Almost identical rods with one critical difference: E6010 is DC only, E6011 runs on AC too E6010 vs E7018 These two rods are partners, not competitors E6011 vs E6013 Opposite rods for opposite jobs E6013 vs E7018 Two of the most common shop rods, but they exist in different worlds E7014 vs E7018 Both are 70 ksi rods E7018 vs E7024 E7018 goes anywhere ER70S-3 vs ER70S-6 Same wire, different deoxidizer levels E71T-11 vs ER70S-6 Gas or no gas, that is the choice E6010 vs E6013 E6010 is a deep-penetrating pipe rod for dirty metal on DC only E6012 vs E6013 Both are easy-running 60 ksi rods for general-purpose work, but E6012 has slightly deeper penetration and runs primarily on AC/DCEN, while E6013 runs on all E7016 vs E7018 Both are 70 ksi low-hydrogen rods for code-quality structural welds E6013 vs E7014 E6013 is a 60 ksi smooth-running rod for thin material and learning E71T-11 vs E71T-GS Both are self-shielded flux-core wires that work without gas E71T-1 vs E71T-11 E71T-1 is gas-shielded flux-core for production shops E308L-16 vs E309L-16 E308L-16 is for welding 304 stainless to 304 stainless ER4043 vs ER5356 ER4043 is the default aluminum wire for 6061 and cast aluminum E7018 vs E71T-11 E7018 is the standard code-quality stick rod E6011 vs E7018 E6011 is a deep-penetrating AC-capable rod for dirty metal and field work E6020 vs E7024 Both are flat-position high-deposition rods for heavy plate ER308L vs E308L-16 Same 308L stainless alloy in two forms: ER308L is bare wire for MIG/TIG, E308L-16 is a coated stick electrode for SMAW ER70S-2 vs ER70S-6 ER70S-2 is primarily a TIG filler rod with superior weld purity Stick vs Gas-Shielded Flux-Core for Structural Steel E7018 stick vs E71T-1 gas-shielded flux-core for structural welding Solid MIG Wire vs Gas-Shielded Flux-Core for Production Welding ER70S-6 solid MIG wire vs E71T-1 flux-core for shop fabrication Cellulose Stick vs Self-Shielded Flux-Core for Field Welding E6010 stick vs E71T-11 self-shielded flux-core for outdoor and field repair Deep Penetration vs Light Penetration Stick Rods E6010 deep-digging DC rod vs E6012 light-penetration AC/DC rod All-Position vs High-Speed Flat Iron Powder Rods E7014 all-position easy rod vs E7024 flat-only high-deposition rod Marine Stainless vs Standard Stainless Stick Electrode E316L-16 moly-bearing vs E308L-16 standard stainless High-Temperature vs Standard Stainless Welding Rod E310-16 for furnace and kiln work vs E308L-16 for general stainless Unknown Stainless vs Dissimilar Metal Stainless Rod E312-16 crack-resistant unknown stainless rod vs E309L-16 standard dissimilar metal rod Marine vs Standard Stainless MIG & TIG Wire ER316L moly-bearing wire vs ER308L standard stainless wire Dissimilar Metal vs Standard Stainless Wire ER309L for stainless-to-carbon steel vs ER308L for stainless-to-stainless Impact-Tested vs Standard Low-Hydrogen Structural Rod E7018-1 with -20F impact testing vs standard E7018 with 0F testing Seismic-Rated vs General-Purpose Self-Shielded Flux-Core E71T-8 seismic-rated structural wire vs E71T-11 general-purpose self-shielded Nickel Low-Temp vs Standard Gas-Shielded Flux-Core E81T1-Ni1 for sub-zero toughness vs E71T-1 for standard structural High-Silicon Brazing Wire vs Standard Aluminum Filler ER4047 with 12% silicon for brazing and castings vs ER4043 with 5% silicon for general aluminum welding High-Strength vs Standard MIG Wire ER80S-D2 (80 ksi) for HSLA steel vs ER70S-6 (70 ksi) for mild steel Farm Repair Rod vs Easy-Run Shop Rod E6011 deep-penetration rust-tolerant rod vs E7014 easy-running iron powder rod Deep Penetration AC/DC vs Fill-Freeze Production Rod E6011 cellulose AC/DC rod for field work vs E6012 iron-powder rod for production flat welding MIG Wire vs Easy Stick Rod for Beginners ER70S-6 solid MIG wire vs E6013 easy-run stick rod Dissimilar Metal Stainless Wire vs Stick ER309L wire (MIG/TIG) vs E309L-16 stick for joining stainless to carbon steel Marine Stainless Wire vs Stick ER316L wire (MIG/TIG) vs E316L-16 stick for 316L marine and chemical stainless All-Position Penetration vs Flat High-Deposition Stick Rod E6010 aggressive digging rod vs E6020 heavy fill rod AC Low-Hydrogen vs DC Deep Penetration Rod E7016 low-hydrogen AC rod vs E6010 cellulose DC rod Stick Rust Rod vs Self-Shielded Flux-Core for Home Welding E6011 stick rod vs E71T-11 flux-core wire Dissimilar Metal vs Marine Stainless Wire ER309L for stainless-to-carbon joints vs ER316L for 316L marine applications Structural Stick Rod vs MIG Wire for Mild Steel E7018 low-hydrogen stick vs ER70S-6 MIG wire

Hydraulic Fitting Standards

Thread ID charts

Thread identification, dimensional data, and cross-reference for mobile equipment, industrial hydraulics, and fluid power systems.

Fittings JIC (SAE J514) The most common hydraulic fitting in North America 37-degree flareMetal-to-metal, 37-degree flare cone Fittings NPT NPT threads seal by wedging tapered threads together, deforming the crests and roots to create a seal Tapered pipe threadThread interference (tapered), requires sealant Fittings BSP (BSPP/BSPT) BSP is the international metric-world counterpart to NPT Parallel (BSPP) or tapered (BSPT)BSPP: bonded washer or O-ring. BSPT: thread interference. Fittings ORFS (SAE J1453) ORFS is the leak-proof fitting Straight thread with O-ring face sealO-ring face seal (elastomeric) Fittings DIN 2353 / ISO 8434-1 DIN metric fittings are the European standard for hydraulic tube connections Metric thread with 24-degree coneMetal-to-metal, 24-degree cone with cutting ring Fittings JIS B 2351 JIS fittings are common on Japanese-built hydraulic equipment Metric thread with 30-degree flareMetal-to-metal, 30-degree flare Fittings SAE ORB (O-Ring Boss) SAE ORB (O-Ring Boss) fittings use straight (non-tapered) threads with an O-ring that seats against a machined boss face to create the seal Straight UN/UNF (60-degree)O-ring compressed against machined boss face

Welding Guides

Fundamentals that spec sheets assume you already know. Electrode numbering, rod selection by application, process differences, and storage requirements.

Which Rod for My Job?

12 application guides matching your job to the right electrode with amperage settings.

How to Read Welding Rod Numbers

What the numbers on a welding rod mean. Breakdown of the AWS electrode classification system with examples.

How to Store Welding Rods (Low-Hydrogen & General)

Complete guide to welding rod storage. Which rods need ovens, rebaking temperatures, moisture limits, and how to tell if a rod is bad.

Welding Polarity Explained: DCEP, DCEN, and AC

What DCEP, DCEN, and AC polarity mean in welding. How polarity affects penetration, heat distribution, and which rods work on which polarity.

How to Choose Aluminum Welding Wire (ER4043 vs ER5356)

Aluminum filler wire selection guide. When to use ER4043 vs ER5356 based on base metal alloy, crack sensitivity, strength, and anodizing.

Flux-Core vs MIG: Which Process Should You Use?

Comparison of flux-core and MIG welding processes. When to use each, equipment needs, cost, and which produces better welds for your application.

All 12 Guides

Browse the complete welding guide library.

Standards & Manufacturer Resources

These are not our pages. They are the source authorities and manufacturer libraries we reference.

AWS StandardsElectrode classification authority Lincoln ElectricTechnique guides & data sheets Miller WeldsProcess articles & calculators ESAB AcademyEducation & certification