Welding stainless steel is also one of our specialties. We have over 30 years of experience, and are ready to start on your project. We exercise more care and control with regard to heating and cooling stainless steel. Don't just use anyone, it’s important to properly match filler metals with the material being welded. The development of nonrusting stainless steels with distinct attributes that include varying degrees of corrosion resistance, strength, and workability has been a tremendous benefit to steel users. This development, however, also has made welding stainless steel more complicated than welding traditional carbon steel. Ensure you hire professionals for the job.

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Repairs are mostly done using Tig, although welding magnesium can be done with other methods. We ensure that when we work with magnesium, we use the materials that will best suit your needs. A great deal of Magnesium Welding is done to repair castings. Not to join 2 pieces of metal together. Building up worn metal, replacing a broken lug with weld beads, repairing pits, inclusions, and other casting defects are all more common than joining pieces of magnesium together. Magnesium is used quite a bit in aircraft components because of its high strength to weight ratio. Magnesium castings are lightweight and strong, but they do crack and break in service due to all kinds of factors like thermal cycles, vibration, and just plain human factors like a mechanic over torquing a stud. Ensure you hire a professional, as one of the problems in welding magnesium is high zinc content. Magnesium alloys that have a zinc content of 5-6% are crack sensitive and don't weld nearly as good as the ones that have about 10% aluminum content along with lower zinc.

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Chromium-molybdenum alloys often are grouped in a single category. The names for this category are nearly as numerous as their uses. Some of the names are chrome moly, croalloy, chromalloy, and CrMo. These alloys’ characteristics make them desirable in many areas of construction and manufacturing. The main characteristics are strength (creep strength and room temperature), rigidity, hardenability, wear resistance, corrosion resistance, fairly good impact resistance (toughness), relative ease of fabrication, and the ability to be alloyed in various ways that create “fitness for use” in some applications. Contact us and let us get started today.

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Pipelines are an essential part of the petrochemical industry. Every oil or gas well has at least a short pipeline system to a holding tank, and many connect to long-distance pipelines that pump products for hundreds or even thousands of miles to ports or refineries. Refineries, of course, are a complex maze of piping systems that funnel raw and finished petroleum products through various processes to sea transport or tanker trucks. Pipe layers and pipeline welders are the professionals who build and repair these pipeline systems.

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When it comes to fixing broken steel in the field, there are three steps to master: Cutting and removal of the failed component, preparation of the new joint/part, and welding and cleanup. This article discusses these three stages and helps guide you to the right combination of equipment to meet your field repair needs. In the construction industry, nothing cripples a jobsite like a broken machine. When it comes to fixing broken steel in the field, there are three steps to master: 1. Cutting and removal of the failed component. 2. Preparation of the new joint/part. 3. Welding and cleanup.

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We offer our welding services both in-house at our location in Brownsville, or at your home, anywhere in the South Texas Region. Feel free to stop by, or call us to learn more about our services. We are available 24/6, closed on Sundays.

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Copper welding is not hard. The heat required for this type of welding is approximately twice that required for steel of similar thickness. Copper has a high thermal conductivity. To offset this heat loss, a tip one or two sizes larger than that required for steel is recommended. When welding large sections of heavy thicknesses, supplementary heating is advisable. This process produces a weld that is less porous. Copper may be welded with a slightly oxidizing flame because the molten metal is protected by the oxide which is formed by the flame. If a flux is used to protect the molten metal, the flame should be neutral. Oxygen-free copper (deoxidized copper rod) should be used rather than oxygen-bearing copper for gas welded assemblies. The rod should be of the same composition as the base metal.

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Brazing is a metal-joining process in which two or more metal items are joined together by melting and flowing a filler metal into the joint, the filler metal having a lower melting point than the adjoining metal. Brazing differs from welding in that it does not involve melting the work pieces and from soldering in using higher temperatures for a similar process, while also requiring much more closely fitted parts than when soldering. The filler metal flows into the gap between close-fitting parts by capillary action. The filler metal is brought slightly above its melting (liquidus) temperature while protected by a suitable atmosphere, usually a flux. It then flows over the base metal (known as wetting) and is then cooled to join the work pieces together. A major advantage of brazing is the ability to join the same or different metals with considerable strength.

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Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its colour when fractured: white cast iron has carbide impurities which allow cracks to pass straight through, grey cast iron has graphite flakes which deflect a passing crack and initiate countless new cracks as the material breaks, and ductile cast iron has spherical graphite "nodules" which stop the crack from further progressing.

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Carbon arc welding (CAW) is a process which produces coalescence of metals by heating them with an arc between a non-consumable carbon (graphite) electrode and the work-piece. It was the first arc-welding process developed but is not used for many applications today, having been replaced by twin-carbon-arc welding and other variations. The purpose of arc welding is to form a bond between separate metals. In carbon-arc welding a carbon electrode is used to produce an electric arc between the electrode and the materials being bonded. This arc produces temperatures in excess of 3,000 °C. At this temperature the separate metals form a bond and become welded together.

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