Quality Aluminum Weld Wire. As a premium filler metal solution, Hobart . aluminum wire is supported and manufactured by a team with decades of expertise in aluminum filler metals. It’s produced from a state-of-the-art facility, entirely built around aluminum wire production, with custom-built equipment and proprietary 3/32 in. AWS ER4043 TIG Welding Rod, 1.00. Welding wire ideal for strong, spatter-free welds in bicycle frames, cast and wrought aluminum alloy, 5052 and any 6XXX series alloy. Amazing deals on this 8 Pc Low Temperature Aluminum Welding Rods at Harbor Freight. Quality tools & low prices.Dec 6, 2023 ... Aluminum welding is the process of fusing two pieces pieces of aluminum together with a high heat. The main elements that are...If you already have stainless steel products that need a welding repair, give OTE Welding a call today! We have the tools, experience and equipment needed for the job to be done right. Serving Minneapolis, MN and surrounding areas, OTE Welding Inc. provides custom welding to all types of metals. Call now! 612-387-6627.5 Techniques for How to Weld Aluminum. Now that we are aware of the various challenges in aluminum welding, we can discuss the different types of aluminum welding techniques prevalent in the industry. 1. Gas Tungsten Arc Welding (TIG) The first choice of welders in an aluminum welding case is to weld aluminum with TIG.Aluminum MIG Welding. This technique is better to use with thicker materials and was developed to weld metals that don’t contain iron. It was initially designed as a way to weld aluminum, but it was later used in welding steel because it worked a lot faster.Are you fascinated by the world of metalwork and eager to learn the art of welding? Whether you are a beginner or have some prior experience, taking local welding classes can be an...Vic's Welding Co. LLC is a licensed welding and metal fabrication company. Structural Steel Fabrication & Stainless Steel and Aluminum Welding in Phoenix Aug 1, 2009 · Learning to TIG aluminum. TIG welding aluminum doesn’t need to be intimidating. With a little practice — and some basic best practices to help beginning welders — you can produce the results you want. Follow our four steps below to practice and advance your TIG welding skills with aluminum. Step 1: Watch hand and torch placement TIG Welding Aluminum. Although many metals are TIG welded, the metal most frequently associated with the process is aluminum, especially with metals of a smaller thickness. Many other processes, of course, can join aluminum, but in the lighter gauges the most applicable process is TIG. The popularity of aluminum in automotive applications has ...Aluminum Welding. Selecting an appropriate filler alloy for welding aluminum differs from selecting a filler alloy for welding steels. In the case of steel, selection is primarily a matter of matching the tensile strength of the filler metal to that of the base alloy. For aluminum, many variables come into play, such as ease of welding, …1,318 Aluminum welding jobs in United States. Most relevant. Kane Innovations Inc. 2.3. Aluminum Tig Welder. Erie, PA. USD 18.00 - USD 20.00 Per Hour (Employer est.) Easy Apply. Ability to use welding tools and follow procedures.Apr 2, 2023 · Vince from VC Metal Worx is switching gears from stainless and showing us how to strike an arc on some Aluminum.Pickup the TIG 200 LCD HERE: https://www.east... Are you interested in learning the art of welding? Perhaps you want to pursue a career in metal fabrication or simply want to acquire a new skill for your personal projects. Whatev...We offer Aluminum welding. We can Tig , Stick or Mig weld aluminum ,steel, and stainless steel and more. Call to find out more 718-749-5815A higher portion of the base metal melts and dilutes with the filler metal to prevent cracking. Beveling is vital for thicknesses 3/16″ (4.8 mm) and up. If you weld 6061, it’s best to bevel from 1/8″ (3.2 mm). For aluminum, bevel each side at least 35° up to 45°. Aluminum open roots are easy to blow through.See more reviews for this business. Top 10 Best Aluminum Welding in Austin, TX - February 2024 - Yelp - K & K Welding, Welder of Texas, Astro Mechanics, Austin Mobile Welding, Jcer Welding Construction, East Side Fabrication, Affinity Metalworks, Westbrook Metals, ProTech Gates and Access, Coyote Welding.Low Temperature Aluminum Welding Rods, 8 Pc - Item #44810 found at Harbor FreightWeld aluminum with any low temperature torch - even a propane torch. These a...Reviewed By: Russell Egan. To weld aluminum, clean the surface and remove oxide layers. Use AC TIG welding with a pure tungsten or zirconiated tungsten electrode and 100% argon shielding gas. Alternatively, try MIG welding with a spool gun and 100% argon gas. Select the appropriate filler metal based on the aluminum alloy.The Most Effective Aluminum Welding Technique. Utilize a solvent such as acetone or a mild alkaline solution such as a strong soap to remove any oil, grease, or water vapor from the aluminum's surface. With a stainless steel wire brush, remove surface oxides (made specifically for aluminum). 5.Welding Coupons, Aluminum Welding Plate Part 1/8" Thick (0.125 Inch) 5052 Aluminum 2" X 4" (2 Inch by 4 Inch) Practice and Training Welding Kit for MIG, TIG, Stick, MMA, Arc Welding (10 PCS) 4.6 out of 5 stars 56. $21.99 $ 21. 99. FREE delivery Tue, Aug 1 on $25 of items shipped by Amazon.It was regarded as the best aluminum gas welding flux on the market, by Boeing, Douglas and the rest of the major airplane manufacturers in the U.S. It was ...The Most Effective Aluminum Welding Technique. Utilize a solvent such as acetone or a mild alkaline solution such as a strong soap to remove any oil, grease, or water vapor from the aluminum's surface. With a stainless steel wire brush, remove surface oxides (made specifically for aluminum). 5. Provide an overview of aluminum joining methods and welding processes. Address aluminum’s metallurgical properties, including those that are conducive to welding and those that are not. Introduce attendees to AWS D1.2/D1.2M:2014 Structural Welding Code -Aluminum. Cover the design of aluminum fillet, groove, plug, slot, and stud welds. See more reviews for this business. Top 10 Best Aluminum Welding in Houston, TX - February 2024 - Yelp - Barbaro Welding Service, Mobile Welding, Dimes Welding Services, CJ Welding & Fabrication, Best of Both Worlds Welding, American Welding Academy, Performance Aluminum Fabrication, Davila Welding & Repair, On-Site …1,318 Aluminum welding jobs in United States. Most relevant. Kane Innovations Inc. 2.3. Aluminum Tig Welder. Erie, PA. USD 18.00 - USD 20.00 Per Hour (Employer est.) Easy Apply. Ability to use welding tools and follow procedures.5 Techniques for How to Weld Aluminum. Now that we are aware of the various challenges in aluminum welding, we can discuss the different types of …Aluminum has a low melting point -- 1200° F compared to 2600° F to 2700° F for steel. Because of this low melting point, many operators think they only need light duty equipment to weld the aluminum. But, the thermal conductivity of aluminum is five times that of steel, which means that the heat dissipates very quickly. To weld aluminum, clean the surface, remove the oxide layer, use AC TIG welding with a pure or zirconiated tungsten electrode, and select the appropriate filler metal. Utilize 100% argon shielding gas, preheat if necessary, maintain proper torch angle, and practice to improve control and consistency. Aluminum is one of the most common …TIG Welding Aluminum. Although many metals are TIG welded, the metal most frequently associated with the process is aluminum, especially with metals of a smaller thickness. Many other processes, of course, can join aluminum, but in the lighter gauges the most applicable process is TIG. The popularity of aluminum in automotive applications has ...50 Pieces Flux Core Aluminum Rods Low Temperature Easy Melt Aluminum Welding Rods Welding Sticks · Aluminum Welding Practice Kit, 2PCS Cube Dice Welding Coupons ...Subscribed 273 35K views 4 years ago Welding Demonstrations Aluminum welding is used on planes, boats, motorcycles and more. If you’re a beginning welder, …Jan 12, 2024 · Square off the end of the electrode. Switch the machine to DCEP or set the AC balance above 70% positive. On a piece of clean copper or scrap aluminum, strike an arc using high frequency and hold the torch at 90 degrees to the plate. Slowly ramp up the amperage and watch as the tip gets red and starts to ball. Jan 23, 2021 · A comprehensive explanation to get you started with TIG welding aluminum. Gas Tungsten Arc Welding (GTAW), also known as Tungsten Inert Gas (TIG) or Heliarc ... Oct 25, 2019 · Do you want to learn how to weld aluminum, a versatile and lightweight metal that is used in many industries? Watch this video to get some practical tips and tricks from a professional welder, who ... Welding Coupons, Aluminum Welding Plate Part 1/8" Thick (0.125 Inch) 5052 Aluminum 2" X 4" (2 Inch by 4 Inch) Practice and Training Welding Kit for MIG, TIG, Stick, MMA, Arc Welding (10 PCS) 4.6 out of 5 stars 56. $21.99 $ 21. 99. FREE delivery Tue, Aug 1 on $25 of items shipped by Amazon.Hence the international market is open. Product: ALUMIWELD is a welding rod that is able to repair any aluminum metal by using a PROPANE TORCH ! Also will repair Zinc based metals, (Pot Metal), Mag-Alloy and Galvanized Steel all with a propane torch. AlumiWeld is capable of repairing copper and brass to aluminum. The second method to weld aluminum and steel is using a laser. The laser generates high-intensity heat to create a stable brazing environment for the weld. This is followed by coating steel in aluminum to create the desired weld. The arc welding method is used after this to weld aluminum to steel. There is specialized knowledge, technique, and ...Aluminum MIG Welding Setup and Technique. When MIG welding aluminum, help ensure good welding performance and high-quality welds with proper preparation, equipment setup and travel speed. Properly prepare the part using acetone to wipe the piece clean. Grind the part with a stainless steel brush that is dedicated to aluminum. Aluminum welding comprises joining two metallic components by fusing both by melting the metals. It is a tough job and requires a lot of precision to form a strong metal alloy. Welding cannot …Oct 14, 2022 ... Convert Your MIG Welder to Weld Aluminum - The Easy Way. Everything you need to know to convert your MIG Welder so it can mig weld aluminum.Aluminum’s high thermal conductivity can cause the metal and its alloys to quickly conduct heat away from the weld area. This can result in a lack of fusion at the start of the weld, especially for the GMAW process. 4 This problem can be avoided by applying heat to the weld area much more quickly to bring the metal to the appropriate welding ...3/32 in. AWS ER4043 TIG Welding Rod, 1.00. Welding wire ideal for strong, spatter-free welds in bicycle frames, cast and wrought aluminum alloy, 5052 and any 6XXX series alloy. Amazing deals on this 8 Pc Low Temperature Aluminum Welding Rods at Harbor Freight. Quality tools & low prices. Super Alloy 5 is an aluminum welding rod that brazes all types of aluminum with any torch: oxyacetylene, MAPP gas, natural gas, oxy-MAP, or propane. The resulting bond is stronger than the parent metal (30,000 psi) and can be bent, drilled, anodized, machined, plated, tapped or threaded. This unique alloy is a perfect color match to aluminum ...Weight: 40 lbs. 2. YesWelder MIG-250A Pro – Best Aluminum Welder for Money. The YesWelder MIG-250A Pro is definitely the best aluminum welder for the money you pay for it that I was able to find. It comes with excellent build quality (sturdy designed casing) and an advanced synergic system.Subscribe to my channel for more weekly videos.https://www.youtube.com/user/weldingtipsandtricks?sub_confirmation=1Survey Says....TIG welding aluminum is the... Dec 3, 2012 · As aluminum is stored, the oxide layer thickens, absorbs hydrogen, and traps impurities that can be absorbed into the weld puddle. Hydrogen, readily absorbed into liquid aluminum weld metal, turns to porosity when the weld solidifies. Remove oxide with a clean stainless steel brush. Be careful not to use too much pressure if using a power tool. See more reviews for this business. Top 10 Best Aluminum Welding Shops in Austin, TX - February 2024 - Yelp - Westbrook Metals, K & K Welding, Austin Mobile Welding, Welder of Texas, Boutwell Steel Company, East Side Fabrication, ProTech Gates and Access, Axis Manufacturing, Eric's Mobile Welding Service, F2 MetalWorks.A high-performance mono-phase or three-phase Pi machine is always available and perfect for a wide range of TIG and MMA welding operations. Both the Pi 200 and ...This is a review for a metal fabricators business in Dallas, TX: "Dallas Mobile Welders did an excellent job welding the box of my reefer trailer on a cold rainy Saturday. During the weld, an air line melted. Although this was not their responsibilty, they did not leave my driver stranded. They took him to the nearest truck stop so that he ...Feb 22, 2022 · Welding aluminum is a tough challenge because of its high thermal conductivity, the risk of trapped hydrogen bubbles in your weld, and weakness caused by an external oxide layer. To ensure your welds are strong and durable, use the correct welding process for the job. Super Alloy 5 is an aluminum welding rod that brazes all types of aluminum with any torch: oxyacetylene, MAPP gas, natural gas, oxy-MAP, or propane. The resulting bond is stronger than the parent metal (30,000 psi) and can be bent, drilled, anodized, machined, plated, tapped or threaded. This unique alloy is a perfect color match to aluminum ...Arc Welding Aluminum Fundamentals. First, the most important thing to remember when working with aluminum is that it loves oxygen. This is a good thing when corrosion resistance is a factor in your project. The surrounding air is going to bond with the aluminum and form an oxidized layer that has a melting point roughly two times higher …TIG Welding Aluminum. Although many metals are TIG welded, the metal most frequently associated with the process is aluminum, especially with metals of a smaller thickness. Many other processes, of course, can join aluminum, but in the lighter gauges the most applicable process is TIG. The popularity of aluminum in automotive applications has ...Swenson Welding and Fabrication New Jersey’s Premiere Welding and Structural Steel Fabrication Service Contact us Our Services Structural Steel, Custom Fabrication, and …Actions. 1. Gather your pieces of aluminum. 2. Polish them to remove all oxidation, using your brass brush or sandpaper. Do so thoroughly to avoid debris inhibiting a clean weld line. 3. Connect the two pieces (if using two) securely and be sure there are no gaps before you are ready to weld.Jan 31, 2023 · If you want to weld aluminum with a gauge below 14, you may have to utilize specialized pulse MIG welding equipment. Shielding Gas : Just like TIG welders, MIG welding also requires shielding gas. Since aluminum is a non-ferrous metal, 100% argon is the perfect shielding gas in MIG welding. Learning how to become a welder can help you decide if it’s the profession for you. Welders weld metals together like brass, stainless steel and aluminum. They work in a variety of...Subscribed 273 35K views 4 years ago Welding Demonstrations Aluminum welding is used on planes, boats, motorcycles and more. If you’re a beginning welder, …Jan 23, 2021 · A comprehensive explanation to get you started with TIG welding aluminum. Gas Tungsten Arc Welding (GTAW), also known as Tungsten Inert Gas (TIG) or Heliarc ... Laser welding is a process that utilizes a concentrated beam of light energy to create a fusion weld. When applied to aluminum, this method enables the joining of intricate designs and complex configurations with remarkable precision. The versatility of laser welding makes it well-suited for a wide range of applications, particularly in ...See more reviews for this business. Top 10 Best Aluminum Welding Shops in Austin, TX - February 2024 - Yelp - Westbrook Metals, K & K Welding, Austin Mobile Welding, Welder of Texas, Boutwell Steel Company, East Side Fabrication, Eric's Mobile Welding Service, ProTech Gates and Access, F2 MetalWorks, Coyote Welding. Out Back Aluminum Welding, Sunrise Beach, Missouri. 10115 likes · 181 were here. Located 0.2 mi past mm on tt.Aug 26, 2023 ... Using a propane torch and some aluminum brazing rods is a quick way to bonding aluminum without using a welder.Aluminum is a light metal that is used to make a myriad of household and industrial items. Many people recycle scrap aluminum for money, but in order to do so, you must be certain ...Introduction of aluminum welding rods . Aluminum-aluminum flux-cored welding wire is different from the ordinary aluminum welding wire which needs to be welded with an argon arc welding machine, and it is also different from the aluminum-silicon welding wire that needs to be combined with a flux to be welded, and it can be …Dec 6, 2023 ... Aluminum welding is the process of fusing two pieces pieces of aluminum together with a high heat. The main elements that are...Hobart’s expertise and customized, innovative manufacturing processes provide aluminum weld wire with excellent soft-start characteristics and minimal burn back. Manual applications achieve a greater weld bead quality. Hobart wire also features superior feedability with reduced bird nesting, extended liner and contact tip life, and excellent ... The aluminum welding environment's effect on porosity is influenced by temperature, hydrogen, humidity, and wind speed. The solubility of hydrogen will increase with increasing temperature, especially when aluminum melting. In welding, there is melting, and that's when a lot of hydrogen gas trapped on the weld metal (Y. Han et al., …When it comes to metal fabrication and repair, welding plays a crucial role. Whether you have a broken fence, a damaged vehicle frame, or a malfunctioning industrial machine, weldi...May 1, 2016 ... Because cast alloys offer a stronger grain structure while wrought alloys are more porous, they are more likely to exhibit stronger welding ...See more reviews for this business. Top 10 Best Aluminum Welding in Austin, TX - January 2024 - Yelp - K & K Welding, Welder of Texas, Astro Mechanics, Austin Mobile Welding, Jcer Welding Construction, ProTech Gates and Access, East Side Fabrication, Affinity Metalworks, Westbrook Metals, Coyote Welding. Welding Coupons, Aluminum Welding Plate Part 1/8" Thick (0.125 Inch) 5052 Aluminum 2" X 4" (2 Inch by 4 Inch) Practice and Training Welding Kit for MIG, TIG, Stick, MMA, Arc Welding (10 PCS) 4.6 out of 5 stars 56. $21.99 $ 21. 99. FREE delivery Tue, Aug 1 on $25 of items shipped by Amazon.Oct 14, 2021 ... Utilizing the right aluminum welding setup is crucial. To achieve an appropriate weld on aluminum, you must have an AC-capable TIG welder, such ...Introduction of aluminum welding rods . Aluminum-aluminum flux-cored welding wire is different from the ordinary aluminum welding wire which needs to be welded with an argon arc welding machine, and it is also different from the aluminum-silicon welding wire that needs to be combined with a flux to be welded, and it can be …Actions. 1. Gather your pieces of aluminum. 2. Polish them to remove all oxidation, using your brass brush or sandpaper. Do so thoroughly to avoid debris inhibiting a clean weld line. 3. Connect the two pieces (if using two) securely and be sure there are no gaps before you are ready to weld. Introduction How to MIG Weld Aluminum: The Complete Guide TimWelds 337K subscribers Subscribe Subscribed 452K views 2 years ago MIG Welding (Gas …aluminium welding tigtechniques.How to "Weld" Aluminum forBeginners#shorts #welding #aluminium #aluminiumwelding #aluminiumweldingforbegneerFacebook link:htt...Base-metal preparation: To weld aluminum, operators must take care to …You can use argon and helium to weld aluminum – the gases can be in pure form or mixed. Pure argon is popular as shielding gas for aluminum welding, while pure argon is for thick sheets of about 12.5mm. Note that helium has much higher thermal conductivity and ionization potential than argon.The Dynasty 400 is a powerful, compact power source capable of welding up to 5/8” aluminum. Total arc control provides maximum productivity and weld quality while conserving energy compared to traditional welding machines. Maxstar® 161 TIG Welders.See more reviews for this business. Reviews on Aluminum Welding in Tacoma, WA - Rosario Sound Welding, Darren's Mobil Welding & Marine Repair, Bartle's Portable Welding, Willow Welding, Full Tilt Fabrication.A Guide to Aluminum Welding. Aluminum welding is a fabrication process that uses heat and pressure to join two components made from aluminum or aluminum-based alloys. Compared to welded assemblies made from other materials, such as steel, welded aluminum assemblies do not demonstrate the same level of strength as their parent …ANDELI TIG-250PLS can weld 0.04 inch seamless aluminum plate by cold spot welding, and use cold welding to weld 0.015 inch -0.12 inch stainless steel plate. 【Package delivery】 Argon arc welding and aluminum sleeve: TIG-250PL ACDC 110V / 220V, with American standard plug, grounding clamp 2m, aluminum torch WP-26D 4m, …Dec 18, 2021 · Aluminum MIG is awesome...when it's going well. Watch this to make it go well more often. Introduction 00:00Machines 0:25Setup 1:45Filler Metals 2:20Settings... Learn about the properties, challenges, and tips of welding aluminum, a common but difficult material to work with. Find out the differences between …Swenson Welding and Fabrication New Jersey’s Premiere Welding and Structural Steel Fabrication Service Contact us Our Services Structural Steel, Custom Fabrication, and …A good aluminum weld should be clean and even with a uniform bead size. Troubleshooting Common Issues. When welding aluminum, welders may encounter specific issues like porosity and cracking. Understanding these problems and knowing how to address them is key to achieving high-quality welds.The most popular processes are Gas Metal Arc Welding (GMAW), sometimes called MIG welding and Gas Tungsten Arc Welding (GTAW) sometimes referred to as TIG welding. A third process, Shielded Metal Arc Welding (SMAW) or stick welding, has limited use on aluminum and is used primarily for small repair jobs on …
The main cause of porosity is entrapment of gases such as air and shielding gases. Gases can be entrapped when turbulence occurs in the weld pool. When welding .... Crate character
The various additions to the tungsten electrode serve two purposes. First, it makes the tungsten less likely to sag or droop at high temperatures. Second, it makes it easier for the tungsten to emit electrons, which gives it a higher current-carrying capacity compared to pure tungsten. Almost all direct current electrode negative (DCEN) welding ...A beginner's guide to "welding" (brazing) aluminum with alumiweld rods.Links to the Tools and Materials Leah Uses in This Video:Alumiweld Brazing Rods: …Reviewed By: Russell Egan. To weld aluminum, clean the surface and remove oxide layers. Use AC TIG welding with a pure tungsten or zirconiated tungsten electrode and 100% argon shielding gas. Alternatively, try MIG welding with a spool gun and 100% argon gas. Select the appropriate filler metal based on the aluminum alloy.The HTS-735-II Fluxless Brazing Rod is the “second generation” Fluxless Aluminum Brazing Rod and is MADE In THE USA. These low-heat 18 inch brazing rod repairs most nonferrous metals. Anyone can easily Weld Aluminum with a Propane Torch. Join the thousands of customers that have easily repaired Aluminum Pontoon Boats, Aluminum …Visit my online store https://weldmongerstore.com/ For the best collection of videos on tig welding aluminum click here https://goo.gl/bxkORP This is the f...Aluminum welding flux is designed to remove the aluminum oxide film and exclude oxygen from the vicinity of the puddle. The fluxes used in gas welding are usually in powder form and are mixed with water to form a thin paste. The flux should be applied to the seam by brushing, sprinkling, spraying, or other suitable methods. ...Aluminum and its alloys have a great affinity for oxygen. Pure aluminum melts at 1,200°F (650°C), and the oxide that protects the metal melts at 3,700°F (2,037°C). Because the oxide melts at a temperature approximately 2,500°F (1,370°C) higher than the aluminum itself, the oxide must be cleaned from the metal before welding can begin.Aug 14, 2014 · Aluminum filler metals and systems. Whether used in manufacturing or by a home hobbyist, aluminum remains an in-demand material for welding applications. The main reason is that it offers high strength and corrosion resistance, even at thin gauges, making it desirable in uses where lighter weight is a requirement. To weld aluminum, clean the surface, remove the oxide layer, use AC TIG welding with a pure or zirconiated tungsten electrode, and select the appropriate filler metal. Utilize 100% argon shielding gas, preheat if necessary, maintain proper torch angle, and practice to improve control and consistency. Aluminum is one of the most common …Jan 31, 2023 · If you want to weld aluminum with a gauge below 14, you may have to utilize specialized pulse MIG welding equipment. Shielding Gas : Just like TIG welders, MIG welding also requires shielding gas. Since aluminum is a non-ferrous metal, 100% argon is the perfect shielding gas in MIG welding. See more reviews for this business. Top 10 Best Aluminum Welding Shops in Los Angeles, CA - February 2024 - Yelp - Aero Welding & Manufacturing, Aleman Welding, Edgar's Mobile Welding, Fab-Tech Custom Fabrication & Welding, F G Machine shop Aluminum Welding, A-1 Weldors, Brady Sheet Metal, Well Done Welding, Roland's Mobile Welding. Subscribed 273 35K views 4 years ago Welding Demonstrations Aluminum welding is used on planes, boats, motorcycles and more. If you’re a beginning welder, …Everything You Need for Aluminum Welding. Whether you're new to aluminum welding or have been doing it for years, you need to efficiently make strong, good-looking welds. Aluminum welding isn't difficult, it's just different — with the right equipment and consumables, you can confidently weld aluminum all day.Aluminum TIG Welding Basics for Beginners | How to TIG Weld Aluminum TimWelds 336K subscribers Subscribe Subscribed 106K views 3 years ago TIG Welding …Jul 19, 2018 · For welding thick materials, a low AC frequency of 80 to 120 Hz is typically well-suited for materials 3⁄8 in. and thicker and will help you to achieve a wider weld bead profile. Proper heat input is a critical factor in successfully welding aluminum with GTAW. 4. Use Appropriate Amperage. .