Welding Parameters for Common Materials
Getting into welding as an absolute beginner can be a daunting experience, as there are so many things you need to master. Among other things, setting up and dialing in the machine can take a long time and wear you out until you get everything right.
Luckily, most new welding machines offer auto-set or smart MIG options that automatically set the recommended parameters. However, that’s not always the case.
In case you need to adjust parameters manually, we compiled welding parameters for common materials into a quick-reference chart you can use next time you start a project. This guide includes the most common processes and metals you'll encounter as an everyday welder.

MIG Welding Structural Steel Frame
Source: https://www.youtube.com/watch?v=LITz7kLo-a4&t
MIG Welding Parameters for Most Common Metals (Mild Steel, Stainless Steel, Aluminum)
MIG welding is one of the most straightforward processes for welding thin- and medium-thickness mild steel, stainless steel, and aluminum. MIG welding settings are influenced by several factors, including material type, material thickness, wire diameter, and shielding gas, which directly impact voltage, wire feed speed, and amperage.
The charts below provide reference settings for common mild steel, stainless steel, and aluminum applications.
Note: All provided parameters are for reference only. In reality, welding results may vary depending on equipment manufacturer, metal condition, environmental conditions, joint geometry, or WPS (Welding Procedure Specification). Use the provided charts as a head start until you find a sweet spot that suits your style, equipment, and needs.

MIG Welding for Thick Steel
Source: https://www.youtube.com/watch?v=sIgchLDoz9A
MIG Welding Parameters for Mild Steel
| Ar/CO2 (75/25%) Shielding Gas MIG Mild Steel Welding | ||||
|---|---|---|---|---|
| Metal Thickness | Wire Thickness | Voltage | Wire Feed Speed (WFS) | Amperage |
| 24 ga | .024 | 13.8 | 138 | 30 |
| 22 ga | .024 | 14.1 | 157 | 40 |
| 20 ga | .024 | 14.7 | 197 | 50 |
| .030 | 14.8 | 94 | 50 | |
| 18 ga | .024 | 16 | 295 | 60 |
| .030 | 15 | 98 | 60 | |
| .035 | 14.3 | 87 | 60 | |
| 16 ga | .024 | 17 | 394 | 80 |
| .030 | 15.8 | 126 | 80 | |
| .035 | 14.6 | 98 | 80 | |
| 14 ga | .024 | 18 | 500 | 120 |
| .030 | 16.5 | 169 | 90 | |
| .035 | 15 | 150 | 90 | |
| .045 | 15.5 | 79 | 90 | |
| 1/8" | .030 | 18 | 280 | 130 |
| .035 | 17.5 | 217 | 130 | |
| .045 | 15.8 | 106 | 130 | |
| 3/16" | .030 | 20 | 382 | 150 |
| .035 | 21 | 331 | 170 | |
| .045 | 17 | 154 | 170 | |
| 1/4" | .030 | 21.6 | 461 | 170 |
| .035 | 21.8 | 390 | 190 | |
| .045 | 18.5 | 189 | 190 | |
| 3/8" | .035 | 23.3 | 488 | 200 |
| .045 | 19 | 217 | 200 | |
| 100% CO2 Shielding Gas MIG Mild Steel Welding | ||||
|---|---|---|---|---|
| Metal Thickness | Wire Thickness | Voltage | Wire Feed Speed (WFS) | Amperage |
| 24 ga | .024 | 16.2 | 126 | 30 |
| 22 ga | .024 | 16.3 | 138 | 40 |
| 20 ga | .024 | 16.5 | 197 | 50 |
| .030 | 15.3 | 98 | 50 | |
| 18 ga | .024 | 17.3 | 295 | 60 |
| .030 | 15.5 | 110 | 60 | |
| .035 | 15 | 79 | 60 | |
| 16 ga | .024 | 18 | 394 | 80 |
| .030 | 16 | 126 | 80 | |
| .035 | 15.8 | 94 | 80 | |
| 14 ga | .024 | 19 | 512 | 90 |
| .030 | 17 | 169 | 90 | |
| .035 | 17 | 130 | 90 | |
| .045 | 17.5 | 79 | 90 | |
| 1/8" | .030 | 19.5 | 299 | 130 |
| .035 | 18.8 | 217 | 130 | |
| .045 | 18.8 | 106 | 130 | |
| 3/16" | .030 | 22.2 | 449 | 165 |
| .035 | 21.5 | 350 | 170 | |
| .045 | 19.8 | 154 | 170 | |
| 1/4" | .030 | 23.2 | 500 | 170 |
| .035 | 22.2 | 378 | 190 | |
| .045 | 20.6 | 177 | 190 | |
| 3/8" | .035 | 23.6 | 437 | 200 |
| .045 | 22.5 | 217 | 200 | |

Source: https://www.youtube.com/watch?v=pTsithkxj8U&t
MIG Welding Parameters for Stainless Steel
| Ar/CO2 (98/2%) Shielding Gas Stainless Steel Welding | ||||
|---|---|---|---|---|
| Metal Thickness | Wire Thickness | Voltage | Wire Feed Speed (WFS) | Amperage |
| 24 ga | .024 | 15 | 154 | 30 |
| 22 ga | .024 | 16.1 | 197 | 40 |
| 20 ga | .024 | 16.7 | 276 | 50 |
| .030 | 16.3 | 157 | 57 | |
| .035 | 15.3 | 102 | 50 | |
| 18 ga | .024 | 17.3 | 374 | 60 |
| .030 | 16.8 | 197 | 65 | |
| .035 | 15.8 | 138 | 60 | |
| 16 ga | .024 | 18 | 512 | 80 |
| .030 | 17.9 | 256 | 80 | |
| .035 | 16.2 | 165 | 80 | |
| .045 | 14.7 | 79 | 80 | |
| 14 ga | .030 | 18.2 | 276 | 90 |
| .035 | 17 | 197 | 90 | |
| .045 | 14.8 | 91 | 90 | |
| 1/8" | .030 | 21.1 | 472 | 120 |
| .035 | 19.6 | 295 | 120 | |
| .045 | 16.5 | 138 | 130 | |
| 3/16" | .035 | 22.8 | 433 | 170 |
| .045 | 18.4 | 205 | 170 | |
| 1/4" | .035 | 24.1 | 472 | 190 |
| .045 | 18.6 | 217 | 190 | |
| 3/8" | .035 | 24.4 | 512 | 200 |
| .045 | 19 | 236 | 200 | |
| Tri-gas Mix Shielding Gas Stainless Steel Welding | ||||
|---|---|---|---|---|
| Metal Thickness | Wire Thickness | Voltage | Wire Feed Speed (WFS) | Amperage |
| 24 ga | .024 | 15.1 | 157 | 30 |
| 22 ga | .024 | 16.5 | 220 | 40 |
| 20 ga | .024 | 17.2 | 354 | 50 |
| .030 | 19 | 177 | 50 | |
| .035 | — | — | — | |
| 18 ga | .024 | 17.6 | 433 | 60 |
| .030 | 19.2 | 197 | 60 | |
| .035 | 15.5 | 126 | 60 | |
| 16 ga | .024 | 18 | 512 | 80 |
| .030 | 19.7 | 236 | 80 | |
| .035 | 16.5 | 150 | 80 | |
| 14 ga | .030 | 20.2 | 295 | 90 |
| .035 | 17.3 | 185 | 90 | |
| .045 | 16 | 91 | 90 | |
| 1/8" | .030 | 21.5 | 402 | 130 |
| .035 | 21.1 | 319 | 130 | |
| .045 | 18.3 | 161 | 130 | |
| 3/16" | .030 | 23 | 512 | 160 |
| .035 | 22.3 | 390 | 170 | |
| .045 | 19.1 | 197 | 170 | |
| 1/4" | .035 | 22.9 | 409 | 190 |
| .045 | 19.8 | 236 | 190 | |
| 3/8" | .035 | 26 | 512 | 200 |
| .045 | 23.6 | 295 | 200 | |

Source: https://www.youtube.com/watch?v=Z4WXVidVu-I&t
MIG Welding Parameters for Aluminum
| 4043 Wire Aluminum MIG | ||||
|---|---|---|---|---|
| Metal Thickness | Wire Thickness | Voltage | Wire Feed Speed (WFS) | Amperage |
| 18 ga | .035 | 13 | 157 | 60 |
| 16 ga | .035 | 13 | 228 | 80 |
| .045 | 13 | 118 | 80 | |
| 14 ga | .035 | 17.5 | 315 | 90 |
| .045 | 15.5 | 157 | 90 | |
| 1/8" | .035 | 22 | 354 | 130 |
| .045 | 20.5 | 197 | 130 | |
| 3/16" | .035 | 25.5 | 413 | 150 |
| .045 | 23.5 | 276 | 170 | |
| 1/4" | .035 | 26 | 427 | 170 |
| .045 | 24.5 | 315 | 190 | |
| 3/8" | .045 | 26 | 354 | 200 |
| 5356 Wire Aluminum MIG | ||||
|---|---|---|---|---|
| Metal Thickness | Wire Thickness | Voltage | Wire Feed Speed (WFS) | Amperage |
| 18 ga | .035 | 13 | 201 | 50 |
| 16 ga | .035 | 13 | 264 | 70 |
| .045 | 13 | 157 | 80 | |
| 14 ga | .035 | 15.2 | 315 | 75 |
| .045 | 13.5 | 236 | 90 | |
| 1/8" | .035 | 21.2 | 370 | 115 |
| .045 | 20.5 | 315 | 130 | |
| 3/16" | .035 | 22.8 | 480 | 135 |
| .045 | 21.7 | 354 | 170 | |
| 1/4" | .035 | 23 | 512 | 145 |
| .045 | 23 | 394 | 190 | |
| 3/8" | .045 | 23.7 | 453 | 200 |

Source: https://www.youtube.com/watch?v=flyUJ5UImc8
Flux-core Welding Parameters
Flux core welding settings are primarily affected by material thickness and wire diameter. Compared to gas-shielded MIG welding, self-shielded flux core typically requires DCEN (Direct Current Electrode Negative) polarity. It also operates within different voltage and wire feed speed ranges.
The chart below provides reference settings for common E71T-GS self-shielded flux core wire.
| E71T-GS Flux Core Wire Steel Welding | ||||
|---|---|---|---|---|
| Metal Thickness | Wire Thickness | Voltage | Wire Feed Speed (WFS) | Amperage |
| 20 ga | .030 | 13.8 | 118 | 50 |
| .035 | — | — | — | |
| 18 ga | .030 | 14.2 | 138 | 60 |
| .035 | 15 | 98 | 60 | |
| 16 ga | .030 | 15 | 157 | 80 |
| .035 | 15.9 | 142 | 80 | |
| 14 ga | .030 | 16.5 | 197 | 90 |
| .035 | 16.6 | 173 | 90 | |
| .045 | 15.2 | 79 | 90 | |
| 1/8" | .030 | 18 | 315 | 130 |
| .035 | 18 | 220 | 130 | |
| .045 | 17 | 130 | 130 | |
| 3/16" | .030 | 19 | 394 | 170 |
| .035 | 18.5 | 315 | 170 | |
| .045 | 18.5 | 177 | 170 | |
| 1/4" | .030 | 20 | 472 | 190 |
| .035 | 19.2 | 378 | 190 | |
| .045 | 19 | 197 | 190 | |
| 3/8" | .035 | 20.5 | 480 | 200 |
| .045 | 19.5 | 209 | 200 | |

Source: https://www.youtube.com/watch?v=xq4osYMrPtw
TIG Welding Parameters for Most Common Metals
TIG Welding is the most challenging method, but it yields the highest-quality welds. GTAW offers advanced parameters that let you fine-tune your welds and achieve the best results. Let's see the recommended parameters for common metals such as mild steel, stainless steel, and aluminum.

TIG Welding Parameters for Mild Steel
| 100% Argon Shielding Gas TIG Welding Mild Steel | |||||
|---|---|---|---|---|---|
| Metal Thickness | Filler Rod Diameter (in) | Tungsten Diameter (in) | Amperage (A) | Gas Flow (cfh) | Cup Size (in) |
| 20 ga | .040-1/16 | .040 | 25-30 | 20 | — |
| 18 ga | .040-1/16 | .040 | 25-35 | 20 | — |
| 1/16" | .040-1/16 | 1/16 | 100-140 | 20 | 3/8 |
| 3/32" | 1/16-3/32 | 1/16 | 125-200 | 25 | 3/8 |
| 1/8" | 3/32 | 1/16-3/32 | 125-200 | 25 | 7/16 |
| 3/16" | 1/8 | 1/8 | 150-250 | 25-30 | 7/16 |
| 1/4" | 1/8 | 1/8 | 150-250 | 25-30 | 1/2 |
| 3/8" | 1/8 | 1/8 | 150-275 | 25-30 | 1/2 |

Source: https://www.youtube.com/watch?v=b79fS4kkztY
TIG Welding Parameters for Aluminum
| 100% Argon Shielding Gas TIG Welding Aluminum | |||||
|---|---|---|---|---|---|
| Metal Thickness | Filler Rod Diameter (in) | Tungsten Diameter (in) | Amperage (A) | Gas Flow (cfh) | Cup Size (in) |
| 1/16" | 3/32 | 1/16-3/32 | 70-100 | 20-25 | 3/8 |
| 3/32" | 1/8-3/32 | 3/32-1/8 | 85-115 | 20-25 | 3/8 |
| 1/8" | 1/8-5/32 | 1/8 | 110-150 | 25-30 | 7/16 |
| 3/16" | 5/32 | 5/32 | 155-180 | 25-30 | 7/16 |
| 1/4" | 3/16-5/32 | 3/16 | 190-275 | 30 | 1/2 |
| 3/8" | 3/16-1/4 | 3/16-1/4 | 240-370 | 30-35 | 1/2 |

TIG Weld Aluminum with 100% Argon
Source: https://www.youtube.com/watch?v=6DnA6YLhAno&t
Pulse TIG Welding Parameters for Aluminum
| Pulse TIG Welding Parameters for Aluminum | ||||
|---|---|---|---|---|
| Aluminum Thickness | Peak Amps | Background Amps | Frequency | Pulse On Time |
| Thin aluminum (1/16" and thinner) |
~50-100A | ~25-40% | ~1-5 Hz | 40-60% |
| Medium aluminum (around 1/8") |
~100-150A | ~30-50% | ~2-10 Hz | 40-50% |
| Thick aluminum (1/4" and over) |
~150-200+A | ~30-50% | ~50-100+ Hz | 40-50% |

Source: https://www.youtube.com/watch?v=wAxYlczBKPI
TIG Welding Parameters for Stainless Steel
| 100% Argon Shielding Gas TIG Welding Stainless Steel | |||||
|---|---|---|---|---|---|
| Metal Thickness | Filler Rod Diameter (in) | Tungsten Diameter (in) | Amperage (A) | Gas Flow (cfh) | Cup Size (in) |
| 1/16" | 1/16 | 1/16 | 80-120 | 20-25 | 3/8 |
| 3/32" | 1/16 | 1/16-3/32 | 100-160 | 20-25 | 3/8 |
| 1/8" | 1/16 | 3/32 | 120-150 | 25-30 | 7/16 |
| 3/16" | 3/32-1/8 | 1/8 | 200-275 | 25-30 | 7/16 |
| 1/4" | 1/8 | 3/16 | 275-350 | 30 | 1/2 |
| 3/8" | 1/8 | 3/16-1/4 | 240-370 | 30-35 | 1/2 |

Source: https://www.youtube.com/watch?v=Rl4Wu6XlJes
Other Helpful TIG Welding Parameters
TIG welding is one of the few processes that allows you to control each part of the welding process, from starting current through upslope, peak, and end current. Here is a recommended starting point for each.
| Pre flow | 0.5 s |
| Start current (I start) | 35 A |
| Slope up | 0 |
| Primary current (I1) | (Depends on metal thickness) |
| Background current (I2) | 10% of I1 |
| Duty cycle | 50% |
| Pulse Hz DC | 0.5-1 Hz |
| Pulse Hz AC | 0.5-1 Hz |
| Slope down | 0 |
| End current (I end) | 30 A |
| Post flow | 5 s |
| Idle time | 0.5-1 s |
| AC frequency | 85 Hz |
| AC balance | 35% |
| Mix Hz | 2 Hz |
Stick Welding Parameters for Most Common Metals
Stick welding is the industry's workhorse, enabling quick, cost-effective repairs. Due to self-shielded electrodes, it works excellently with outdoor projects and repairs, and it is pretty easy to dial in.
The charts below provide reference settings for common stick welding electrodes and base metals.

Source: https://www.youtube.com/watch?v=Dybrlx-BTXk
Stick Welding Parameters for Mild Steel
| E6010/E6011 | ||
|---|---|---|
| Electrode Diameter | Amperage (A) | Metal Thickness |
| 3/32" | 40-85 | 3/32-3/16" |
| 1/8" | 75-125 | 1/8-1/4" |
| 5/32" | 110-165 | 1/4-3/8" |
| 3/16" | 140-210 | Over 3/8" |
| 7/32" | 160-250 | Over 3/8" |
| E6013 | ||
|---|---|---|
| Electrode Diameter | Amperage (A) | Metal Thickness |
| 1/16" | 20-45 | Up to 1/8" |
| 5/64" | 35-60 | Up to 3/16" |
| 3/32" | 40-90 | 3/32-3/16" |
| 1/8" | 80-130 | 1/8-1/4" |
| 5/32" | 105-180 | 1/4-3/8" |
| 3/16" | 150-230 | Over 3/8" |
| 7/32" | 210-300 | Over 3/8" |

Welding Pipe With 6013 Rods
Source: https://www.youtube.com/watch?v=C6LSAjcrWSI
| E7014 | ||
|---|---|---|
| Electrode Diameter | Amperage (A) | Metal Thickness |
| 3/32" | 80-125 | 3/32-3/16" |
| 1/8" | 110-165 | 1/8-1/4" |
| 5/32" | 150-210 | 1/4-3/8" |
| 3/16" | 200-275 | Over 3/8" |
| 7/32" | 255-340 | Over 3/8" |
| E7018 | ||
|---|---|---|
| Electrode Diameter | Amperage (A) | Metal Thickness |
| 3/32" | 65-100 | 3/32-3/16" |
| 1/8" | 110-165 | 1/8-1/4" |
| 5/32" | 150-220 | 1/4-3/8" |
| 3/16" | 200-275 | Over 3/8" |
| 7/32" | 260-340 | Over 3/8" |
Stick electrode charts by KingsOfWelding

Source: https://www.youtube.com/watch?v=BrDwOItX1C4
Stick Welding Parameters for Aluminum
In general, welders rarely stick-weld aluminum. The process itself lacks the cleanliness and heat control required for aluminum, so it is often not the preferred method. However, it is possible, and here are the recommended parameters.
E4043 Aluminum Stick Welding
Source: https://www.youtube.com/watch?v=qpWZW77vLus
| E4043 | ||
|---|---|---|
| Electrode Diameter | Amperage (A) | Metal Thickness |
| 3/32" | 50-80 | 3/32-3/16" |
| 1/8" | 80-130 | 1/8-1/4" |
| 5/32" | 100-160 | 1/4-3/8" |
Stick Welding Parameters for Stainless Steel
| E308L-16 | |||
|---|---|---|---|
| Electrode Diameter | Amperage Flat (A) | Overhead and Vertical | Metal Thickness |
| 1/16" | 10-30 | 10-30 | Up to 1/8" |
| 5/64" | 20-50 | 15-45 | Up to 3/16" |
| 3/32" | 50-85 | 45-75 | 3/32-3/16" |
| 1/8" | 70-110 | 65-105 | 1/8-1/4" |
| 5/32" | 100-150 | 95-140 | 1/4-3/8" |
| 3/16" | 130-180 | / | Over 3/8" |
| 1/4" | 160-210 | / | Over 3/8" |
| E309L-16 | |||
|---|---|---|---|
| Electrode Diameter | Amperage Flat (A) | Overhead and Vertical | Metal Thickness |
| 1/16" | 10-30 | 10-30 | Up to 1/8" |
| 5/64" | 30-50 | 25-45 | Up to 3/16" |
| 3/32" | 50-85 | 45-75 | 3/32-3/16" |
| 1/8" | 70-115 | 65-110 | 1/8-1/4" |
| 5/32" | 100-150 | 90-140 | 1/4-3/8" |
| 3/16" | 140-190 | / | Over 3/8" |
| 1/4" | 170-220 | / | Over 3/8" |
| E316L-16 | ||
|---|---|---|
| Electrode Diameter | Amperage (A) | Metal Thickness |
| 5/64" | 20-50 | Up to 3/16" |
| 3/32" | 50-80 | 3/32-3/16" |
| 1/8" | 70-100 | 1/8-1/4" |
| 5/32" | 90-140 | 1/4-3/8" |
| 3/16" | 120-170 | Over 3/8" |

Source: https://www.youtube.com/watch?v=bSdjUo9X6PM
Additional Stick Welding Parameters
| Parameter | Setting |
|---|---|
| Hot Start | 30% |
| Arc Force | 30% |
| Anti-stick | On |
| VRD | On |
Bonus: Pulsed and Dual Pulsed MIG Parameters for Most Common Metals
Welders such as the YesWelder DP200 Dual Pulse MIG Welder offer pulse and dual pulse MIG. These features provide even better heat control, less spatter, and better weld aesthetics with MIG welding. Here are the recommended parameters for use with the pulsed MIG.

Pulsed MIG Parameters for Steel
| Ar/CO2 (90/10%) Pulsed MIG Mild Steel Welding | |||
|---|---|---|---|
| Metal Thickness | Wire Thickness | Wire Feed Speed (WFS) | Amperage |
| 20 ga | .030 | 138 | 50 |
| 18 ga | .030 | 165 | 69 |
| 16 ga | .030 | 197 | 80 |
| .035 | 157 | 80 | |
| 14 ga | .030 | 236 | 90 |
| .035 | 189 | 90 | |
| .045 | 106 | 90 | |
| 1/8" | .030 | 472 | 120 |
| .035 | 252 | 120 | |
| .045 | 138 | 140 | |
| 3/16" | .035 | 299 | 170 |
| .045 | 165 | 170 | |
| 1/4" | .035 | 335 | 190 |
| .045 | 197 | 190 | |
| 3/8" | .035 | 429 | 200 |
| .045 | 217 | 200 | |

Source: https://www.youtube.com/watch?v=tH4Chdxtsps&t
Pulsed MIG parameters for Stainless Steel
| Ar/CO2 (98/2%) Pulsed MIG Stainless Steel Welding | |||
|---|---|---|---|
| Metal Thickness | Wire Thickness | Wire Feed Speed (WFS) | Amperage |
| 20 ga | .030 | 177 | 50 |
| 18 ga | .030 | 197 | 60 |
| .035 | 114 | 60 | |
| 16 ga | .030 | 276 | 80 |
| .035 | 150 | 80 | |
| 14 ga | .030 | 316 | 90 |
| .035 | 201 | 90 | |
| .045 | 79 | 90 | |
| 1/8" | .030 | 453 | 120 |
| .035 | 291 | 120 | |
| .045 | 126 | 140 | |
| 3/16" | .035 | 358 | 170 |
| .045 | 169 | 170 | |
| 1/4" | .035 | 421 | 190 |
| .045 | 197 | 190 | |
| 3/8" | .035 | 453 | 200 |
| .045 | 217 | 200 | |

Source: https://www.youtube.com/shorts/f8GbLKQe6y0
Pulsed MIG Parameters for Aluminum
| 4043 Wire Pulsed Aluminum MIG | |||
|---|---|---|---|
| Metal Thickness | Wire Thickness | Wire Feed Speed (WFS) | Amperage |
| 18 ga | .035 | 134 | 35 |
| 16 ga | .035 | 169 | 45 |
| .045 | 134 | 80 | |
| 14 ga | .035 | 209 | 65 |
| .045 | 169 | 90 | |
| 1/8" | .035 | 331 | 100 |
| .045 | 236 | 140 | |
| 3/16" | .035 | 457 | 140 |
| .045 | 276 | 170 | |
| 1/4" | .035 | 512 | 150 |
| .045 | 315 | 190 | |
| 3/8" | .045 | 374 | 200 |
| 5356 Wire Pulsed Aluminum MIG | |||
|---|---|---|---|
| Metal Thickness | Wire Thickness | Wire Feed Speed (WFS) | Amperage |
| 18 ga | .035 | 165 | 40 |
| 16 ga | .035 | 213 | 60 |
| .045 | 157 | 80 | |
| 14 ga | .035 | 287 | 70 |
| .045 | 197 | 90 | |
| 1/8" | .035 | 413 | 110 |
| .045 | 315 | 140 | |
| 3/16" | .035 | 512 | 155 |
| .045 | 394 | 170 | |
| 1/4" | .045 | 453 | 190 |
| 3/8" | .045 | 512 | 200 |
🧐 Welding Parameters for Common Materials
1. What are welding parameters?
Welding parameters are the machine settings that control heat, arc behavior, filler metal feed, and weld quality. Common parameters include voltage, amperage, wire feed speed, gas flow, tungsten size, electrode size, and pulse settings.
2. Are welding parameter charts always accurate?
No. Welding parameter charts are starting points, not fixed rules. The final result can change with metal condition, joint fit-up, machine type, shielding gas, welding position, and the welder’s travel speed.
3. Why do voltage and amperage change with metal thickness?
Thicker metal needs more heat to achieve proper fusion. That usually means higher amperage, higher voltage, or both. Thin metal needs lower heat to avoid burn-through and warping.
4. What does wire feed speed mean in MIG welding?
Wire feed speed controls how fast the filler wire enters the weld pool. Higher wire feed speed usually increases amperage and deposition rate. If it is too high or too low, the arc may become unstable.
5. What is the difference between regular MIG and pulsed MIG parameters?
Regular MIG uses a steady arc, while pulsed MIG alternates between higher and lower current levels. Pulsed MIG can help control heat, reduce spatter, and improve bead appearance, especially on aluminum and stainless steel.
6. How should beginners use welding parameter charts?
Beginners should treat the chart as a safe starting point. Set the machine close to the recommended range, run a test bead on scrap metal, check penetration and bead shape, then make small adjustments until the weld looks and performs correctly.
👏 You may be interested in the following:
- Welding Parameters Explained
- MIG Wire Sizes: How to Choose the Right Size for Your Projects
- How to MIG weld different metal thicknesses
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