Welding problems with hastelloy weld talk message boards. Our new highly praised manufacturer plugin concept will assist you in the search for suitable filler materials and additives. Inconel 625 is one of the most widely used nickel alloy filler metals because it works. Postweld stress relieving in the 1200f 650c range is not recommended for hastelloy c276 alloy. Metals and how to weld nickel alloys like inconel 718. Welding procedure specification wps creation and management is simple, fast and accurate with automatic code checking and links to code related software modules. Hastelloy alloy x can be welded by metallicarc, inertgasshielded arc, submergedmelt, and sigma methods. Your welding procedure will be instantly recognized as. Our antivirus analysis shows that this download is virus free. Alloy c22 has great resistance to pitting, crevice corrosion and stresscorrosion cracking. The welding procedure approval record wpar is a record of this weld. The welding features are similar to hastelloy g3 alloy. The effect of repair welding number on microstructure of the hastelloy x fabricated via tig process was investigated. This alloy having an austenitic microstructure and in this regard is expected to be prone to hot cracking in fusion welding.
Unfortunately i dont have the pqr in front of me at the moment i will be at their location tomorrow but i thought i would get the ball rolling. Hastelloy x is weldable through manual as well as automatic methods such as shielded metal arc welding, gas tungsten arc and gas metal arc welding processes. Ceweld stocks most of these alloys to offer quick delivery service to the welding marked. Welding wire for hastelloy c22, c276, b3, x etc ceweld.
It is a hosted solution that is cost effective, easy to use, and keeps your files organized. It can be forged and, because of its good ductility, can be cold worked. Cspec weldoffice wps cspec welding procedure software. The manufacturer initially drafts a preliminary welding procedure pwps which is used by one of the manufacturers competent welders to prove that it is capable of producing a welded joint to the specified levels of weld quality and mechanical properties.
How to pickle, clean, passivate, electropolish hastelloy for. Inconel 625 welding wire is used routinely to weld layers of heat and corrosion resistance cladding on less corrosion resistant steel. I have to weld a 4 pipe 18 wall to a 1 slip flange and a 38 blank on the other end. An investigation of hot cracking in hastelloy x, welding journal, welding research supplement 45, p.
It is also our objective to assist our clients in their decisionmaking process by providing the necessary information related to our services. Alloy x is a nickelchromiummolybdenum superalloy used for welding similar base metals such as hastelloy x to itself or to stainless steels, carbon steels or lowalloy steels. Welding procedure specifications wpss national certified. From what ive read it welds kind of like a combination of both. For everyone involved in any phase of welding steel structuresengineers, detailers, fabricators, erectors, inspectors, etc. Grain size of base metal measured via image analysis software was. Laser welding is a viable method of assembly to meet these new demands, because of automation, to replace the manual tig welding process.
Weldability is discussed of nickel and ni solid solution and precipitation hardening alloys, with causes and avoidance of porosity, oxide inclusions, lack of interrun fusion, solidification cracks, microfissures, pwht cracks and stress corrosion cracks. Various applications of this alloy necessitate fusion welding of components made of hastelloy x. A common problem in conventional fusion welding processes for nibased superalloys, such as hastelloy x, is the excessive formation of brittle phases, such. It was pretty simple, a groove joint, 38 plate, 3 passes on top, back ground and one pass on back and a tjoint to be broken. This pc program can be installed on 32bit versions of windows xp7810. Hot cracking in laser welding of hastelloy x with pulsed. To reduce the number of welding and brazing procedure qualifications required base metals have been assigned pnumbers by the asme bpvc. This alloy exhibits good formability, weldability, and machinability. Request a quote for alloy hastelloy c276 welding rods today.
Inconel hx, also known as hastelloy x is a nickel chromium iron molybdenum alloy with great resistance to oxidation. This numbering system will be used on all welding procedure specifications revised or developed in the future. I also need to weld some 316 angles for legs on it. Hastelloy, inconel and carbon steel welding specialty. Asme weld number tables are discussed in relation to base metals, filler metals and their positioning in the number tables. Weldability of the superalloys haynes 188 and hastelloy x by nd. Click to learn about the properties, specifications, advantages, welding. Well known alloys as hastelloy c22, c276, b3, c2000, x, ultimet and many other alloys, some of these expired patented alloys are being copied and became standard alloys at several steel melters. Hastelloy c22 is a versatile nickelchromiummolybdenum alloy with better overall corrosion resistance than other nicrmo alloys available today, including hastelloy c276, c4, and a625.
Ferrous metals which have specified impact test requirements have been assigned group numbers within pnumbers. Weldability of the superalloys haynes 188 and hastelloy x by. Microstructure and mechanical properties of hastelloy x produced. Briefly, this testing procedure consisted of a modified hotductility. Alloy x has excellent forming and welding characteristics. The purpose of this study is to determine the weldability of hastelloy x and haynes 188 alloys by the butt welding. X2yz for two different pnumber metals welded to each other in this numbering system. Only cspecs weldsoffice offers code compliance and code rules verification supported by active code committee members. We are going to begin working on the qualification of a gtaw weld procedure for the welding of 112 thick hastelloy plate. These materials must stand up to high heat, extreme oxidation potential and cycling.
Factors which control solidification cracking include alloy, welding process. As a way of achieving quality production welds, development and qualification of welding procedure. The alloys oxidation resistance is outstanding up to 2200. The most common welding processes used to weld the hastelloy and haynes alloys are the gas tungsten arc welding gtaw tig, gas metal arc welding gmaw mig, and shielded metal arc welding smaw.
Procedures may vary with change in position, base metals, filler metals, equipment and other changes. C276 only has about 5 or 6% iron, much less than the 316. I am currently working on a project investigating a hastelloy c dryer in a pharmaceutical plant. Alloy x provides an exceptional combination of oxidation, corrosion and thermal shock resistance. The welding domains of en aw6061 aluminum alloy, commercial purity titanium grade 2 t40, aisi 321 stainless steel alloy, nickel based hastelloy x and. High temperature resistance is essential in many applications. Monel 400 rods,filler wires,hastelloy,welding electrodes. The welding institute training and examinations twi certification cswip twi software. Tip tig and a hastelloy 276 31 shaft to a flange weld.
Thermanit 23, usually welded with nicrx alloys, but more nearly. Hastelloy x is also used in the chemical process industry for retorts, muffles, catalysts support grids, furnace baffles, tubing for pyrolysis operations and flash drier components. The sem, eds and om were used to determine mechanical properties and the microstructure of haz zone, respectively. Hastelloy will weld very similiar to austenitic stainless steels. Easily fabricated hastelloy x alloy has excellent forming and welding characteristics. I think itll be hastelloy c276 again, i kinda wish it was hastelloy x because of its higher iron content and better heat resistance. Hastelloy c276 welding rods nickel alloy welding rods. Hot cracking in laser welding of hastelloy x with pulsed nd. Hastelloy, inconel and carbon steel welding ims does not just provide you with basic welding services. Hastelloy c22 uns n06022 is a highly corrosionresistant nickel alloy.
Weldability of the superalloys haynes 188 and hastelloy x. The weld on this side of the flange face has to fill in the flange groove, future flange wear area. Welding hastelloy g30 alloy is easily weldable through gas tungsten arc welding, gas metal arc welding and shielded metal arc welding methods. Welding hastelloy to 316stainless practical machinist. Welding hastelloy to 316l american welding society. In a previous job i had, it was very common to modify tools by welding sockets to round stock, making offsets in box end wrenches, making long extensions using 174 stainless etc. Hastelloy 276 welding applications tip tig welding. Welding will be sluggish and you will have shallow penetration. To identify influential parameters of the welding process laser power, feed rate. Weldability of materials nickel and nickel alloys twi. Weldoffice software cspec welding procedure software.
The purpose of the asme weld number tables is to support a numbering system methodology that helps to make welding procedure creation and welding procedure management much easier as well as more affordable. Washington alloy c276 offers excellent resistance to pitting, stresscorrosion cracking and oxidizing atmospheres up to 1900of. Hastelloy x applications hastelloy x has many different industrial component applications, some of which include. It typically contains 22% chromium, % molybdenum, and less than 3% iron. The documents are enhanced with intelligent features to make completing your forms. Welding guides to assist you in using these methods are included in the sections dealing with each process. The superior nickel and also molybdenum contents make the nickel metal alloy particularly resistant to pitting or crevice rust in decreasing environments when chromium conveys level of resistance to. Guidelines for the welded fabrication of nickel alloys. Most nickel alloys can be fusion welded using gas shielded processes like tig. Number 3 is hastelloy x and number 14 is haynes 556 alloy to over match. The effect of repair welding number on microstructure of.
The other side of the flange is a 6 mm fillet that will join the shaft to the flange. Go first to page 24 to find hastelloy x then to page 25 for group ii base metal combinations for dissimilar welding. The lower carbon content reduces carbide precipitation during welding to sustain corrosion protection in aswelded structures. Hardness and tensile properties of welds made by these methods can be found on pages 6 and 11 respectively. A discussion started in 2000 but continuing through 2018. For your structural steel applications, for any of the structural welding codes aws d1 codes for steels, aluminum or stainless steels, as well as aws b2. Submerged arc welding is not preferred because this procedure includes extensive heating of base metal and slows weld quenching. If required, solution heattreatment of this material is accomplished at 2050f 1121c for an appropriate time followed by a water quench or rapid air cool depending on section thickness. A number of welding processes are briefly evaluated as tools for. In fusion welding process, depending on the heating and cooling. Not all welding procedure software offers the same standards compliant data for parent materials, fillers, gases etc. Weld procedure software can eliminate p number research time. Our software includes all the forms you need to keep your company and welders in compliance. Universal wps, pqr and pqrd multiprocess forms supporting multiple codes, including asme ix, iso 15614, aws d1.
This alloy has outstanding resistance to oxidation at high temperatures and possesses exceptional strength at elevated temperatures. Creates and manages nondestructive examination test reports and visual examination reports. The parts we are welding cannot be done with the processes you all suggest. Hastelloy g3 alloy g3, uns n06985 shaped, flat, square, round, fine wire, plated and unplated astm 581, astm b 582 hastelloy g3 wire description alloy g3 has excellent corrosion resistance to oxidizing chemicals and atmospheres while offering resistance to reducing chemicals resulting from the nickel and copper content.
Creep and tensile properties of alloy 800hhastelloy x. The team of high nickel alloys is daily working to increase the production of monel, hastelloy, filler wires, welding electrodes with added value, such the nickel, the low and medium silicon, low in phosphorus, medium carbon and high in chromium, among others our main raw material are high nickel alloys, we work to process high quality alloys, for our clients, this transition metal. Results showed that the grain size of base metal determined by om and sem was 64. However, please be aware of the proper techniques for welding these types of alloys and the differences compared to the more common carbon and stainless steels. Controlling the microstructure of hastelloyx components. Hastelloy c276 alloy welding data haynes international. Sep 15, 2016 hastelloy x is a corrosion and heat resistance solution hardened nickel base super alloy. Well, i went to tampa and took the hastelloy weld test. Pdf weldability of the superalloys haynes 188 and hastelloy x by. This nickel alloy is resistant against the composition of grain boundary precipitates in the weld heataffected area, hence which makes it ideal for most chemical procedure application in an like welded condition. It stands to reason that if inconel 625 can be used to clad steel or chromium steel boiler tubes, it is also a good choice as a welding rod for welding steel to other metals. The software includes pqr, pqr test results, wps and wqtr forms. Welders log has the best software product for welding documentation and welder qualification management.
Welding hastelloy x miller welding discussion forums. The most common welding processes used to weld the hastelloy and haynes alloys are the gas tungsten arc welding gtaw tig, gas metal arc. Hastelloy c276 welding rod from magellan metals provides excellent corrosion and oxidation resistance in severe environments. The effect of repair welding number on microstructure of hastelloy. Although i do think itll weld fine and retain close to the same strength as 316 at the weld, id like to know for sure. Use of proper joint design is important, trying to burn in the root pass will result in too high of heat input, giving you a rough interior weld profile. Pandat thermodynamic software using nipan database. Nickel base super alloys like hastelloy x can be welded by. Welders log is one of the leading welding procedure software products available today. It is weldable by fusion and resistance welding procedures. Tons upon tons of inconel 625 welding wire are used each year to weld cladding on steel boiler tubes to extend their life.
Table 10a filler metal alloy identification for bare and. Hastelloy x, nickelvac hx, microfer 4722, altemp hx, inconel hx. The sem, eds and om were used to determine mechanical properties and the. Hastelloy x is a high temperature and corrosion resistant nickelbased solid solution strengthened alloy. To identify the influential parameters of the welding process laser power, feed rate. To reduce the number of welding procedures to be qualified for production applications, codes and standards give provisions for a particular parent material and filler materials to. If proper welding techniques and procedures are followed, highquality welds can be produced with conventional arc welding processes. The default filename for the programs installer is wps. Nov 24, 2015 good morning guys, i have a tough one, i have a customer that is welding hastelloy to 316l using at gtaw root and remaining passes with gmaw, they are using inconel 182 for a filler and a trimix gas.
How to pickle, clean, passivate, electropolish hastelloy for ultrahigh purity. Gas turbines, fuel nozzles, heat treating fixtures, and furnace muffles. The most important features of this alloy are high resistance to corrosion and good strength at elevated temperatures. Hastelloy x is a solution hardened nickel base super alloy that is widely used in many industries such as gas turbines. When welding procedures or welding performances welders are qualified, test pieces are prepared using a specific combination of parent material and consumables. Hastelloy x, uns n06002, alloy x, inconel hx mega mex. Laser welding of hastelloy has been studied using a ndyag laser 20. Automatically creates and manages multicode welder qualification records, maintains welder continuity. Backgroundthe new ncpwb welding procedure specification numbering system clearly defines the type of metals to be welded, the welding process used and allows for identification of variations in a process.