The purpose of arc stud welding is to weld predominantly pin-shaped metal parts to metal workpieces. 18 :. Aluminum stud welding is performed with conventional stud welding equipment. For welding up to 5/8" (16mm) diameter ARC weld studs in mild steel, stainless steel, and aluminum. Chucks, Ferrule Grips, Legs, Feet, Foot Plates and More. Drawn Arc Stud Welding ("stud welding") is a particularly economical welding process for joining round-shaped metallic parts (studs / welding studs / welding elements) with metallic workpieces such as sheet metal, profiles and pipes. The two general types of stud welding are drawn arc stud welding and capacitor discharge (CD) stud welding. Will be approximately 1/8" shorter after welding. Once the weld has cooled, the ring is broken away, leaving behind a smooth fillet at the stud's base. Weld Stud diagrams, specifications and materials are provided for each model. Monroe-JHP Fasteners is an industry leading supplier of weld studs. Understand the differences. Typical Use: Most applications requiring full strength in weld. 048 in. The products of ASW can be utilized in various mechanical fields. Examples of Weld Studs for various applications. catalog including Standard Thread Arc Weld Studs,Full Thread Arc Weld Studs,Full Base Arc Weld Studs,Long Reduced Base Arc Weld Studs,Short Reduced Base Arc Weld Studs,No Thread Arc Weld Studs,Bent. 99. SUNBELT FB aluminum studs, available in diameters from 1/4” to 1/2”, have equal weld baseArc stud welding is generally used to weld larger-diameter studs to thick base metals. (4. One of the most significant advantages of stud welding is its ease of use. 00 USD. 7. The stud is forced into the pool of molten metal. In general, steel is great as a stud and base materials as it suits the drawn arc stud welding and capacitor discharge stud welding processes. 1/4-20 CD Weld Stud, Flanged, Stainless Steel from $14. Arc studs are typically loaded with an aluminum flux ball on the weld end, which aids in the. Studs & Equipment. M12-1. Designed to work on high-strength steels, as well as steels as thin as 8mm (5/16 in. 06 seconds. 6 Threaded & No Thread CD Weld Studs: Complete Stud Welding has various sizes of externally and internally threaded. Stud welding is a general term used to describe joining a metal stud or similar part to a metal work-piece. Browse Arc Weld Studs in the Midwest Fasteners, Inc. - Flux core arc welding on plate. But, arc stud welding is the most commonly used stud welding process. Sunbelt FB aluminum studs, available in diameters from 1/4" to 1/2", have equal weld base and thread diameters. Length: Length is before weld. A-The assembly; B-the. 3/8-16 Arc Stud, Reduced Base, Stainless Steel with R Ferrules from $44. WHC2. 10 USD. 5% of the 7A52 aluminum alloy base material in tensile and shear tests, respectively, which solves the problem of. Stud, Ferrule & Accessory Catalog . For hot-dip galvanized steel, the same process can be performed, but the end results are somewhat different. The Welding Certificate Program. 1 Arc Stud Welding. 19 USD. 06 seconds. Over 1000 sizes of threaded, no thread, tapped, and stored Arc weld studs. 10/12/12,7 mm only possible with modification) Video - Stud Welding with an Automatic Stud Feeding System. 3/8-16 Arc Stud Full Aluminum with F Ferrules from $43. The process is as follows: The weld stud is places against the base metal. automatic calibration of Z-axes) M3 to M8 (dia. 5 mm) thick. The weld stud is held in place for the welding process by a stud gun. 9 : Automotive spot weld testing. 0 mm) diameter. Download Procedures for Stud Welding 3/4” Shear Connectors Through Metal Deck PDF. Length. • TR610 – Weld versatile. 4/A5. The imperial coarse threads are depicted below (UNC-2A) and are standard. 83 USD. 50 USD. Stud Welding of Aluminum - Drawn Arc Stud Welding and Capacitor Discharge Stud Welding. Short arc stud welding. 4 Gas Metal Arc Welding (GMAW) 23 2. A weld stud loads into a compatible stud welding gun, and the gun connects to a stud welder that delivers current to the. Nelson ® offers three methods of stud welding: drawn arc welding, for structural stud welding using large diameters studs, ferrules, and an aluminum flux; capacitor discharge (CD) , for non-structural applications with a rapid attachment and an undisturbed backside finish; and short cycle, for semi-structural applications with a rapid attachment and an undisturbed. 137 products. SLOT WIDTH. 3/8-16 Arc Stud Full Aluminum with F Ferrules. 5/16-18 CD Weld Stud, Non Flanged, Stainless Steel from $67. Every day, millions of welding studs are joined via stud welding processes in many areas of the metal industry. You can use either a capacitor discharge or a drawn arc capacitor discharge technique. 1/4-20 x 2 Arc Stud Full Thread Point Mild Steel with F Ferrules from $37. Procedures for Stud Welding 3/4” Shear. There are three common techniques of Arc stud welding:Why this fastening technique should be your welding method of choice. 25 USD. Drawn arc stud welding can weld dissimilar metals. 015mm without burn-through. Stud welding is also used for the fabrication of steel structures. Grind a slight bevel on the unpainted end of the tungsten. It produces welds in as little as 0. INSULATION PINS. 048″ (1. Aluminum Non-Flanged Capacitor Discharge (CD) Studs. AWS D10. Our range of CD weld studs includes mild steel and stainless steel studs, pure aluminium and aluminium alloy studs, and lead-free brass studs. There are a wide range of spot weld stud and tab weld stud options, depending on the specific application. catalog including Flanged Capacitor Discharge (CD) Studs - Imperial,Flanged Capacitor Discharge (CD) Studs - Metric,Small Flanged Capacitor Discharge (CD) Studs,Non Flanged Cap. Aluminum Arc Standard Weld Stud. 7 to 19. The welding stud is then forced into the melted area and held in place until the metals re-solidify. This often results in the FCAW-S process requiring different welding considerations. - Gas tungsten arc welding on pipe and plate of. The aluminum work piece must be properly prepared for welding and is the same for both stud welding processes. In addition it is shown that the aluminum content of the weld metal can be affected by arc stud welding process parameters. A critical factor differentiating stud. adjust the weld and gas purge times. Fasteners Studs Studs Widely used for a variety of attachment needs, our selection of studs offers fastening options to meet the most demanding application requirements. 5. To minimize weld splatter, a TRANQUIL-ARC assembly is standard on this gun. Ferrules - All orders include ferrules when required. Lynx4 Modular Stud Welding System for Aluminum $3,250. Stud welding equipment, stud welders, weld stud fasteners, parts, rentals & repairs - 800-462-9353. Both require a specially designed stud with a projection, or ignition tip, on its weld end. Nelson NS40 Standard Duty Stud Gun 751-692-000 $4,150. ALUMINUM: C: S=304SS SS=316SS: A: Stud Welding expertise since 1980. we offer different capacities and power sources for your arc stud welding needs. The drawn arc stud welding process produces welds that provide a solid bond between a metal stud anchor and base metal—commonly a steel plate embedded in concrete or the top flange of a steel beam. Pressure is not used, and filler metal is obtained from the electrode and sometimes from a supplemental source such as a welding rod, flux, or metal granules. In particular, it is an established joining technique for large studs in steel construction. Rent or purchase the right machine to help you with your fastening needs. A. 4-40 CD Weld Stud, Flanged, Aluminum from $4. The focus of the current study is to develop welding procedures using the drawn arc process. Page%|1" """""ANSI/"AWS"C5. *Weld current should be checked by using a time current monitor. Unthreaded studs are available in 6-20mm diameter with up to 100mm in length. 00 USD. 00 USD. An arc weld process is generally used in those applications. This model is fitted with a plunge dampener, recommended for vertical and overhead stud welding and. What is Stud Welding. 00 USD. Some common mistakes with Block 2:Automotive arc welding of steel. 2 Welding Requirements 18 6. Insulation fasteners for welding come in many different types such as cup head weld pins, double-pointed pins, self-locking washers and speed clips, lasing anchors, adhesive and non-adhesive backed pins. View item # 4084403, Flanged Aluminum Weld Stud, Thread Size 1/4-20, Length 1-1/2 inch, Flange 0. Using a “ferrule” to capture and retain the. The weld stud is held in place for the welding process by a stud gun. Capacitor Discharge (CD) Stud Welding is a semi-automatic arc welding process. 228. aluminum” • CSA W186 “Welding of reinforcing bars” • CSA W55. Using a “ferrule” to capture and retain the weld’s heat, the molten metal created by the process cools the weld site and produces a weld that is stronger than the stud itself. 8-32 CD Weld Stud, Flanged, Aluminum from $4. One major observation made during this stage of welding was the presence of asymmetric welds which most likely caused by DC arc blow. The ordinary stud welding gun has slight modifications done to it to facilitate welding of aluminum studs. 13 USD. 1-3/8. 3543 inch; Metallic: Steel, Stainless Steel; Metric: M5How it works: The ceramic ferrule works to surround and contain the welding stud during the weld. Add to Cart. However, with CD welding small diameter fasteners (1/4″ and under) are end welded to extremely thin gauge parent metal. Will be approximately 1/8" shorter after welding. Tucker® weld studs offer a secure hold for everything that needs to be fastened. Arc stud welding is a highly dependable attaching method that may be used in a wide range of applications. The process of using a metal electrode to weld of metals across the arc marked the beginning of a process that would later dominate the industry for more than three decades before a new invention would surface. Complete Stud Welding TF weld studs are available in mild steel and stainless steel materials. - 3721 Northridge Drive NW, Suite 40 - Walker, Michigan 49544 Toll Free: 1-800-783-0910 - Phone: 616-784-7900 - Fax: 616-784-7901Studs & Accessories. The arc and molten metal are submerged in a blanket of granular fusible flux on the workpiece. 26. Beckham Chrysler LLC R. Proweld Arc Gun Trigger Switch $72. Metal fasteners for Construction, Oil Field, Insulation Installation, Aerospace, Signs, Transportation and. 1) The weld gun is positioned over the base material and the main gun spring is partially compressed. AWS D10. 10 : Heating practices for pipe and tube. is as follows. This process can be used for a variety of applications, from industrial manufacturing to construction. Capacitative discharge (CD) machines rely on a projection or tip affixed to the base of the fastener. With one side of the joint firmly and permanently affixed to the material, assembly was sped up dramatically. Sunbelt aluminum SB (Shoulder Base) welding studs are partially threaded studs with a base diameter greater than the thread diameters. For any other information about our CD weld studs or other supplies, repairs, and services, contact NFS today at (651) 730-7770. 03%. Hey people, I really need help in joining a flux cored aluminum ball at the end of a simple stud. In the construction industry, stud welding is used for fastening insulation. Monroe-JHP Fasteners provides resistance welding fasteners in numerous thread sizes and dimensions for all your project needs. 847-228-1995 FAX. There are three common techniques of Arc stud welding: Why this fastening technique should be your welding method of choice. Welding tools for automized applications. Not only do drawn arc studs function as fastening systems for sheet metal fabrication, construction equipment manufacturing, and structural steel manufacturing, they are also used to build large-scale infrastructure with composite building. A calculated current and weld time is triggered to create a pilot arc as the stud lifts to a pre-set height. On the other hand, with a large aluminum tip, due to the formation of britStud welding is a technique similar to flash welding where a fastener or specially formed nut is welded onto another metal part, typically a base metal or substrate. The stud is held in place as the molten metal solidifies instantly accomplishing a high-quality fusion weld. The stud welding process usually takes less than a second and is used for round and rectangular cross-sections. Drawn arc (DA) stud welding #1 Shielded Metal Arc Welding. Manufacturing Commercial and Industrial Insulation fasteners including Weld Pins, Insulation Hangers (Glue-applied or Self-Stick), Self-Locking Washers plus all related accessories. Unless stated otherwise, all threaded studs are reduced base (Type RD). AWS D8. Toll Free: 1-800-462-9353 Phone: 713-939-8903the names Stored Arc or Tranquil Arc in the text are references to the Stored Arc stud welding process or Tranquil Arc accessory kit, as defined by Nelson Stud Welding, Inc. Sunbelt aluminum standard studs are partially threaded with a weld base diameter greater than the thread diameter. 58 USD. 00 USD. Aluminium is a chemical element, which makes up about 8% of the Earth’s crust, making it the most abundant metal and the third most abundant element after oxygen and silicon. Proweld LD Arc Gun End Cap Nut $17. 847-228-1995 FAX. Arc Stud Welding permits strong, one-sided welds on base metals with thicknesses starting at 0. SUNBELT FB aluminum studs, available in diameters from 1/4” to 1/2”, have equal weld baseStud welding, also known as drawn arc stud welding, is a fastener-to-base metal or substrate joining procedure that uses an electric arc. Covers welding requirements for any type of structure made from aluminum structural alloys, except aluminum pressure vessels and fluid-carrying pipelines. Set Screw - 8-32 x 1/4 $0. Some weld fastener options include weld nuts , weld studs, and weld pins. Stud welding uses a drawn arc or capacitor discharge arc to generate heat at the connection point. Steel Properties: Min Tensile Strength 61,000 psi, Min Yield Strength: 49,000 psi. The opposite side is the “ other side “. Includes a starter kit with consumables. Daemen Consultant C. Drawn arc (DA) stud welding is a type of arc welding where the operator uses a stud loaded onto a welding gun to weld a stud to a base metal. Using a “ferrule” to capture and retain the weld’s heat, the molten metal created by the process cools the weld site and produces a weld that is stronger than the stud itself. 312 inch, Thickness 0. In this document, it is referred to simply as stud welding. AISI C1010 through C1020. On sc. Drawn arc stud welders connect to compatible drawn arc stud welding guns and supply current to weld studs held in the guns. Length: Length is before weld. 1/4-28 Arc Stud Full Thread, Stainless Steel with Ferrules from $57. The CD process operates on the principle of capacitor stored energy which is. Our stud welding experts can see if we have it or find it for you. 06 seconds. Don’t grind the painted end to identify it as pure tungsten. They are available in diameters from 1/4” through 1/2”. assumes no financial or physical responsibility for damage or harm resulting from this information’s use with non-Nelson studs and related accessories. The technical details for the stud type or styles throughout this literature apply to metric studs. Thread: Standard UNC2A. Design 31 3. For example, weld time capacitor discharge stud welding respectively. CD Weld Studs. Sunbelt Stud Welding, 800-462-9353. When lifted, an arc develops between the stud base and the base material to create a pool of molten metal. ARC is generally used for stud diameters of 1/4" and above and when welding to thicker base materials or in structural applications. Many features have beenAs the stud lifts, an electrical current creates the arc, which heats the stud and base metal. Aluminum studs of diameter 3/16 in. HANLON EQUIPMENT COMPANY 800 TOUHY AVENUE ELK GROVE VILLAGE, ILLINOIS 60007 PHONE: 847. 10 ELECTROSLAG WELDING:. 7 mm) to ¾ in. 8-32 CD Weld Stud, Flanged, Aluminum from. 3 In the formulation orthis code assistance hal beenderived (rom the. I tried this method but the finishing was not good. 3/8-16 CD Weld Stud, Non Flanged, Stainless Steel from $70. Stud Welding Products has a complete line of arc and capacitor discharge weld studs to match any job or project. The heat generated by this electric arc melts. The exception is the Gas Tungsten Arc Welding (GTAW) process, in which the effect of polarity on penetration is opposite. Stud welding is a process of joining a metal stud to a metal workpiece by heating. When lifted, an arc develops between the stud base and the base material to create a pool of molten metal directly. to a workpiece instantaneously. Ferrules - All orders include ferrules when required. 5/16-18 CD Weld Stud, Flanged, Mild Steel from $9. Fixed, secure contact and load capacity over a number of years even at. Sunbelt Stud Welding, Inc 6381 Windfern Road Houston, Texas 77040-4915 10-6 1-800-462-9353 713-939-8903 fax 713-939-9013 ALUMINUM FB STUDS . MECHANICAL PROPERTIES. Aluminum Arc Full Base (FB) Weld Pins. This process, also known as the short cycle welding process, uses aNelson rectifier power source . The other processes use conventionally designed. The process requires a DC. Drawn arc stud welding, otherwise known as drawn arc or stud welding, is a process that quickly joins base metals to fasteners. Mains Voltage: 1-115/230, 50/60Hz (internally switchable) A portable light weight. These weld studs can be both threaded, or unthreaded. The welding stud is then forced into the melted area and held in place until the metals re-solidify. No part of this publication (whether in hard copy or electronic form)Flanged Aluminum CD Stud- 100 each. The right arm of your SWS system. No filler material is needed, only a little bit of pressure. Sunbelt Stud Welding, Inc 6381 Windfern Road Houston, Texas 77040-4915 10-6 1-800-462-9353 713-939-8903 fax 713-939-9013 ALUMINUM FB STUDS . The Stud Welding Process. 3% and 118. comNelson ® stud welding’s rich history began in 1939 with the U. Complete Stud Welding TF weld studs are available in mild steel and stainless steel materials. Stud welding refers to a joining process of circular-shaped studs with a flat metal piece by using a welding arc and application of a pressing force. These unique fasteners feature durable threads with proven reliability, saving significant time and money over hand welding processes. Drawn Arc and Short-Cycle Welding Studs Drawn Arc Threaded and Unthreaded Studs are recommended for fastening applications where threads are needed for the full fastener. G. Drawn arc stud welding is a process by which a metal stud is joined to a metal workpiece by heating both parts with an arc. 00. The terms “stud welding” and “shear stud” are commonly used in the process of attaching steel frames to composite floor constructions. Typical Use: When minimum fillet dimensions are required at the weld base. Stud welding, also known as "drawn arc stud. The Arc Weld Collar Stud features partial external threading that starts at a point above the stud’s collar. 06 seconds. In late 1958 and early 1959,. To learn more about the stud welding supplies we provide, contact NFS at (651) 730-7770 or request a quote online. Test weld set-up at the start of each day and every half hour. Welding can be done with many processes such as arc, resistance, friction, and percussion. e. 20 USD. Drawn arc stud welding operations are used extensively in the construction industry. If you wish to see design specifications, special application procedures, and part number information for a particular category of fasteners, choose from the available selections below. Flux - Except for some studs less than 5/16" diameter, all studs are solid fluxed at the center of the weld base. In 1930 at the New York Navy Yard, stud welding was developed. The lengths are variable from 3/8″ to 60″ (for deformed bars). Electrodes for Shielded Metal Arc Welding 11th Edition Revises AWS A5. Using a “ferrule” to capture and retain the weld’s heat, the molten metal created by the process cools and the weld site and produces a weld that is stronger than the stud itself. F875. [email protected] Welding, Inc. 39 USD. 304 stainless steel. 4/A5. 00 USD. D. M8-1. The Nelson NS20 is a rugged heavy duty stud welding gun designed specifically to weld studs 5/8" diameter and larger. 7 g/cm 3). 50 USD. Box: 16101,RAK Free Trade Zone,Ras Al Khaimah, U. 8 Thermit Welding 30 2. Headed Shear Connector Weld Studs interconnect concrete slabs to load bearing beams where strong shear resistance is needed most. The conventional stud welding equipment can be used using drawn arc capacitor discharge technique. 9 Removable Backing Materials for Welding 30 3. Drawn arc (DA) stud welding is a type of arc welding where the operator uses a stud loaded onto a welding gun to weld a stud to a base metal. Nelson NS20 Heavy Duty Stud Gun 751-693-000 $4,500. Ceramic ferrules are an essential part of the standard drawn arc stud welding process. Made in the USA. 904. Arc stud welding utilizes a DC power supply to create the arc, a stud welding tool, metal fasteners, and in some cases, ferrules. Length Specifications: Lengths available from minimums shown in specifications. AWS D10. The parent material or work piece can vary from thin sheet to thick plate. (19 mm) can be welded with this technique. About half the strength of medium-strength steel threaded rods, use them for light duty hanging, mounting, and fastening. By using flanged CD weld studs, a strong bond between the base material and stud is created. Other stud welding processes. Description: Nelson AXC “Fir Tree” studs are normally welded to bare or corrosion protection treated automobile sheet metal using the drawn arc stud welding process. 7. First, insert the insulation pin into the stud weld gun. Sunbelt stocks a wide assortment Arc, CD, Refractory, Aluminum and Military Grade Weld Studs. Stud welding aluminum usually works like a charm. A stud is loaded into a compatible CD. Design 31 3. Stud welding uses a type of flux called a ferrule, a ceramic ring which concentrates the heat generated, prevents oxidation and retains the molten metal in the weld zone. Overall, there are three different possible positions for a weld symbol in the welding symbol: If the weld symbol is on the bottom side, the. The best aluminum studs have a built in ignition. Length – Lengths are listed before welding. Stud welding is also used for the fabrication of steel structures. Aluminum quickly forms a surface oxide. You can use either a capacitor discharge or a drawn arc capacitor discharge technique. Elk Grove Village, IL 60007. In general, steel is great as a stud and base materials as it suits the drawn arc stud welding and capacitor discharge stud welding processes. 10-24 CD Weld Stud, Flanged, Stainless Steel from $9. Whether it’s a vetted drawing or a not-yet-realized idea, our experienced engineering team can. Aluminum weld studs in lightweight construction. 5 ARC Stud Welding - General Information website e-mail sales@completestudweld. They primarily used to anchor concrete to a steel beam. Install them using conventional welding or specialized stud welders; a ferrule is included for use with stud welders. 1/4-20 CD Weld Stud, Flanged, Aluminum from $7. Should additional specifications be. For example, the Proweld ARC-3000 can weld studs from 1/4″ to 1-1/4″ diameter with preciseness and repeatability. Mild Steel. A complete line of Weld Studs for all types of applications: Capacitor Discharge (CD), Arc and Drawn Arc. Save money on your stud welding accessories! Replacement accessories and parts for your Nelson NS20, NS30 or NS40 stud welding gun. This arc is the electrical current jumping across the gap between the electrode and the base metal. CD (capacitor discharge) weld studs require lower levels of heat and less time to weld than drawn arc weld studs. plug the earth and gun cables into their sockets on the stud welder. Lengths range from 16-100mm (mild steel and stainless steel). This stud welding process involves the same basic principles and metallurgical aspects as any other arc welding procedure. Tensile and Torque Strengths: The 2 charts – Standard ARC Welding Studs – Tensile /. Material: Aluminum alloy 5000 Series. 25 percent carbon equivalent) usually requires preheating to prevent cracking. 5 times the electrode diameter. 4-93"Weld Studs join a stud and another piece of metal together by heating both parts with an arc. Drawn arc studs come in different sizes, ranging from a #8 to 11⁄4″ in diameter. Material – Low carbon steel, ASTM A108 / A29, Grade C1010 to C1020. Made in the USA. catalog including Flanged Capacitor Discharge (CD) Studs - Imperial,Flanged Capacitor Discharge (CD) Studs - Metric,Small Flanged Capacitor Discharge (CD) Studs,Non Flanged Cap. Quantity. Primarily, spot welding is used with low-carbon steel, but it can be used to form brittle connections with high-carbon steel and aluminum alloys. Aluminum Arc Shoulder Base (SB) Weld Stud. 800-426-5667. An arc is ignited between one end of the stud and the workpiece during stud welding. Thru-hole decking ferrule – Used when. Perfect for drawn arc stud welding--weld fasteners to dissimilar parent metals efficiently through arc stud welding. 125. Ferrules are supplied with the studs. 10-32 CD Weld Stud, Flanged, Stainless Steel from $10. 1 Arc Stud Welding Equipment 12 5. Cr 17. Refer to AWS C5. Material: 302/304 Stainless Steel. Member Price: $169. Coarse and fine threads are available in both imperial (UNC-2A and UNF-2A) and ISO Metric (Class 6g) sizes. Stud Welding Products boasts one of the largest rental fleets in the country and our stock of various. Skip to Content. Weld Pins and C. 378. 1: Sheet metal welding. Quantity. S. 9 Mil 1918 10-49. The surfaces joined in the liquid state with no filler material. typically would be about 0. Arc Stud Welding utilizes a DC power supply to create the Arc, a stud welding tool, metal fasteners, and in some cases, ferrules. A. CD is generally used for smaller stud diameters up to 3/8" and is used primarily when welding to thin sheet metal. 330 stainless steel. Sunbelt aluminum collar studs are partially threaded studs with a collar separating the weld base and thread. Off-the-shelf stud bolts aren’t always ideal. The polarity used in stud welding depends on the type of metal being used. Open Root Joint Welding of Aluminum Pipes. Nelson ® offers three methods of stud welding: drawn arc welding, for structural stud welding using large diameters studs, ferrules, and an aluminum flux; capacitor discharge (CD) , for non-structural applications with a rapid attachment and an undisturbed backside finish; and short cycle, for semi-structural. Weld Studs join a stud and another piece of metal together by heating both parts with an arc. Unless stated otherwise, all threaded studs are reduced base (Type RD). Mild steel, stainless steel, and. Hold gun perpendicular to base material. comIn general, we recommend flanged CD studs for diameters up to 5 ⁄ 16 " and flanged CD studs for 3 ⁄ 8 " diameter studs. Stud Material. - Gas metal arc welding on pipe and plate of steel and aluminum. 048 inch. Add to Cart.