Influence of welding procedure and pwht on hsla steel weld metals. Weldproc welding software welding procedure software. As a student back then, all i wanted to do was weld 2 pcs of metal together and try to break em. The documented record of a weld design is known as the procedure qualification record pqr, wpqr.
Hybrid fiber laser arc welding of thick section high. It is recommended to weld using the metalarc process with low hydrogen electrodes of type e10018 or e11018. Conduct test programs in areas where more corroborative data are needed to. It was developed for use in naval applications, specifically the development of pressure hulls for the us nuclear submarine program and is still currently used in many naval applications. Sae steels, aisi specifications,csa, high strength. The really difficult thing is match the toughness value of hy 80 in the as weld condition. Weldproc welding procedure software weldproc is unique web based welding software for preparing welding procedures easily. Hy80 steel can be efficiently heated with metalarc process using low.
Supplied forms for the disciplines within aws we provide the following forms pqr, pqr test results, wps, and wqtr. A complete joint penetration groove weld is defined as one in which the weld metal extends through the joint thickness. Online welding procedures archives australian welding solutions. It is necessary to understand these various processes to insure that the process selected with meet the quality and productivity requirements of a pipeline project. Weld procedures intended for weld repairs on aisi 1040 1045 1050, forged. Weld studs military fasteners wurth revcar military fasteners. Development of filler materials for joining hy has been hampered by the difficulty of obtaining the combination of high toughness and high strength required in the aswelded condition. Aws d1 codes for steels, aluminum or stainless steels, as well as aws b2. No more headaches of typing, drawing, finding weld data or trying to figure out some complicated clauses of a welding code, as we did it all for you, literally. This material is used extensively in marine defense and petrochemical applications. Dynamictear and charpy vnotch toughness values exceed the minimum requirements established for hy 80.
Abstract today there are numerous ways to weld high yield pipe in the field. Welders log is one of the leading welding procedure software products available today. This numbering system will be used on all welding procedure specifications revised or developed in the future. A low carbon, high manganese wire with nickel and molybdenum designed to weld high strength steels such as hy80 and hsla80. Anything less than 34 t one could use 150 f for preheat, but you still want to stay at 300 f for your interpass temperature, and a tempering bead would be required to be deposited on the cover passlayer when we welded hy80 if smaw was used as the process and the cover pass was a multipass deposit. For gmaw process, a mix of 20%co280%ar was used as shielding gas. Use approved weld procedures so as to not apply too much heat input per inch of weld bead, which would otherwise cause degradation of notch toughness. The microstructures and hardness profiles of both a preheated 250 f121 c and a nonpreheated 32 f0 c hy 80 steel weldment were studied to provide information and allow comparisons of the microstructural transformations that occur in the heat. It is a hosted solution that is cost effective, easy to use, and keeps your files organized. The effects of welding processes on the mechanical properties of the welded joint and haz for the quenched and tempered hy 80 high strength low alloy steel o n gungor gungor on. The development and use of high strength low alloy hsla steels has been driven by the need to reduce costs, the higher strength compared with a conventional carbonmanganese steel enabling thinner and lighter structures to be erected. Preheating of naval steels of these classes with a specified minimum yield strength ranging from 80 to ksi while weldinghysteels is often required to overcome susceptibility to hydrogen induced cracking in the weld heat affected zone haz. 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. Butt welds in 1 inch thick hy 80 and hy 150 steel plates and a mechanically peened tee fillet weld in 112 inch hy.
Effective use of weld metal yield strength for hysteels dtic. Heataffectedzone microcracking and weld and basemetal delayed cracking have been problems in welding hy 80 and hy 100. The chemical composition of hy80 alloy steel is listed in the. Mar 14, 2011 if the parts are going to be heattreated, you must weld them with a similarly heattreated filler metal to ensure that the weld metal will respond to the heat treatment consistently with the parent metal. Low alloy steels typically welded with pa11018m include hy 80, hy. Wps maker is a program that allows you to create welding procedure specifications. Subject terms friction stir welding, friction stir processing, underwater welding, high. By employing a lower temperature postrolling anneal, an increased base metal yield strength should be realized. At that time, i didnt realize how much this exercise built my skills.
Hy80 is a lowcarbon alloy steel that is used in a quenched and tempered condition and is highly. Demo of prequalified welding procedure data sheets. Effects of welding processes on the mechanical properties of. Welding procedure software supports aws d1 series welding codes, aws b2. Our shop won a contract that requires welding 4 steel. Pdf impact toughness of gas metal arc welded hy80 steel. During the welding process, the region of the joint near the fusion zone is reheated. Weld procedure specification wps australian welding solutions. Welding procedure welding procedure qualification record procedure software welding software software welding.
Weldnote keeps track of welder performance qualifications wpq expiration dates and notifies you inapp or via email, saving you the time and money required to requalify. Hydrogen induced cracking in hy 80 steel weldments direct observation of crack initiation and propagation, using an improved straining device, serves to clarify the role of hydrogen and the effect of rare earth additions by w. Welding procedure specification wps creation and management is simple, fast and accurate with automatic code checking and links to code related software modules. Welding procedure specifications wpss national certified. Weldproc welding software is a online based software. Welding procedure specification 3002xxxxhy80hsla100 1 4272009 3002hy80hs100p na na milhy80 milhsla100 0. Hy80 and hy100 have 80,000 psi and 100,000 psi minimum yield strengths respectively, and very similar chemical compositions. Chemical composition ranges for hsla80100 steel plate. Excellent for welding quenched and tempered steels and hy80 base materials. Machinability forming welding heat treatment forging hot working. Welding procedure specification xxxxhy80hsla100 0 5262009 5262009 hy80hsla100 na na hy 80 hsla 100na na na na 2 0.
Use of lanl welding procedures and welder qualifications for nonlanl work shall be at the sole risk and responsibility of the subcontractor, and the subcontractor shall indemnify and save lanl and the. A wps is recommended for all welding operations and most application codes and standards make them mandatory. Proud to be the only worldwide online welding software provider advantages of online welding software. Pdf influence of welding procedure and pwht on hsla. Singlev joint design prepa rations were used with a 60deg included. Weldments of hy 80 are noted for good ductility, notch toughness and strength. Welding procedure software free downloads shareware central. Microstructuremechanical property relationships of submerged. The programs weld sketches are generated automatically from the dimensions.
This pc program can be installed on 32bit versions of windows xp7810. Thermocalc software, in order to evaluate the occurrence of carbides as a consequence of the pwht. The welding procedure approval record wpar is a record of this weld. Weldproc welding procedure software user interface is divided into five segments to illustrate the steps involved in creating wpds in accordance with csa w59 standard. We will useeldproc welding software as a tool to demonstrate how to create welding procedure data sheets. The default filename for the programs installer is wps. For hy 80 you have to control preheat and interpass temperatures or you are prone to cracking, essentially the residual stress from a weld cooling down improperly can exceed the tensile strength of the material and make it crack with no external load. Welding technology of heat treated steels dotyszekeres paper.
Low alloy steel filler metals discusses types of low alloy steels, high yield strength steels hy 80, hy 90, and hy 100, weathering grade steels, low alloy filler metal designations, hydrogen testing, selecting a filler metal to the base metal preheat postheat and weld heat treatment guidelines, and more. Using hy80 steel requires careful consideration of the welding processes, filler metal selection and joint design to account for. Weldoffice software cspec welding procedure software. This paper details the experience with t1, 9% nickel steel, and hy 80 steel and reports that these steels generally do not require a.
Hy80 is a hightensile, high yield strength, low alloy steel. This process has the potential to extend the stay in dry dock. If a welding procedure requires two different types of lowalloy steels to be welded. Mig welding wps welding procedure specification and. Refers to welding process data sheets or welding procedure specifications approved by abs, mechanical contractors association of america national certified pipe welding bureau ncpwb established welding regulatory code or their authorized representative. Drawings included hundreds of drawings for both joint continue reading. Since the waveform is shaped digitally using software rather than mechanically with hardware, equipment with waveform control can be easily adapted to deliver high quality customized results. A wps is a welding procedure specification or welding procedure is a document that details the limits of the essential variables within which your qualified welder must operate to produce a safe and sound weld. 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. One of the 1st exercises i performed as a welding student in high school was the pad weld. Achieving this objective required the development of welding procedures and the selection of welding consumables for manual shielded metal arc sma welding of hy 80 plate to produce properties sufficient to survive explosion bulge testing.
Hybrid laser metal active gas mag arc welding is an emerging joining technology that is very promising for shipbuilding applications. Since you are a veteran hull welder, let me ask you this question on quarterly maintenence. Use of lanl welding procedures and welder qualifications for nonlanl work shall be at the sole risk and responsibility of. Dynamictear and charpy vnotch toughness values exceed the minimum requirements established for hy80 steel. In general, these alloys are considered highly weldable, and their aswelded properties are very good when proper welding procedures are used. Can you tell me which different welding procedures have to be used to weld this. The following welding processes and their proper application to the hy steels are discussed. This technique combines the synergistic qualities of the laser and mag arc welding techniques, which permits a high energy density process with fitup gap tolerance. 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. Microstructuremechanical property relationships of. For asme we provide the pqr, pqr test results, wpq, wopq, and swps.
Weldinghy steels refers to processing a family of steels that owe their name to high yield strength this was the main property designed into the materials as they were developed in the form of thick plates that occurred in the sixties of the past century, at the request of the us navy, mainly for fabrication of ship hulls and submarines within this class, that includes hy 80, hy 100, hy. Weldspec is a welding procedure software for engineers and managers who track and manage welding procedures to asme ix, en 288 en 156141. How to create welding procedure specification wps and. Evaluation of friction stir processing of hy80 steel under. We are a full linefull service military fastener distributor as well as a level one material distributor to many us navy and military accounts worldwide. Fluxcored gasshielded fcaw g wire welding positions typical applications all, except vertical down for applications requiring high strength weld metal, such as hy 80, hsla 80 and astm a710 steels designed for welding with 7595% argon balance co 2 shielding gas capable of producing weld.
Instantly resolves disputes involving welding procedures, welder qualifications and other code issues. Sep 10, 2007 to complicate the matter, these high performance steels have surpassed conventionally fabricated weld metal in terms of hydrogen crack resistance and fracture toughness. Hy 80, hy 90, and hy 100, weathering grade steels, low alloy filler metal designations, hydrogen testing, selecting a filler metal to the base metal preheat postheat and weld heat treatment guidelines, and more. It is important to use approved weld procedures, so that the correct heat input per inch of weld bead. Hy 80 and hy 100 have 80,000 psi and 100,000 psi minimum yield strengths respectively, and very similar chemical compositions. They typically offer an ultimate tensile strength of 80,000 psi or greater, and as with any material, they require a filler metal that matches their chemistry and provides the desired strength. Using welding procedure software easily create welding data sheets. In general, these alloys are considered highly weldable, and their aswelded properties are very good when proper welding procedures. Oct 22, 2014 low alloy steels gain their mechanical and chemical properties from the addition of alloying elements, including nickel, chromium, molybdenum, and manganese. All plans include welders log is a complete turn key solution and all plans include the following features. While many steels offer high yield strength, hy 80 also offers exceptionally high impact strength as well. Never miss another expiration date with our welding software. You can enter the plate thickness, joint type, angle and gap.
The ranges of energy inputs employed were in accordance with the limits specified for hy 80 steels in the current military stan dard for hy 80100 submarine construc tion ref. It is important to use approved weld procedures, so that the correct heat input per inch of weld. They are lowcarbon steels that achieve their strength and toughness through a quenching and tempering heat treatment. He testified that problems welding hy 80 had been largely overcome. Cspec weldoffice wps cspec welding procedure software. Welding procedure preparation penetration complete, partial, ett the depth of penetration of a groove weld needs to be identified. The cvn tests on the hy80 weld joint at a temperature of 80 c show the lowest impact toughness was measured at wm 61 j and followed fusion linefl 101 j with brittle fracture appearance. Weld metal yield strength is overmatching, while the ultimate tensile strength is greater for the base piate.
News articles directory equipment books videos events metals store journals software. The latest evolution in these high strength pipe steels is x 80, carrying a specified minimum yield of 80 ksi. Drawing upon the expertise of techgen media, publisher of shop floor lasers and fab shop magazine direct, as well as praxair corp. High performance stainless takes the stress nitronic 50 stainless steel provides a combination of corrosion resistance and strength not found in any other commercial material available in its price. The latest software update applies code rules published in the 2019 edition of asme section ix including 2020 errata and in the 2020 edition of aws d1. The function of weld procedure design incorporates empirical materials science, production efficiencies, and quality. Welding software designed for welding procedure specification. Reduces overheads and enhances efficiency in managing welding procedures. It is best welded using the metalarc process with low hydrogen electrodes of type e10018 or e11018. Low alloy steels gain their mechanical and chemical properties from the addition of alloying elements, including nickel, chromium, molybdenum, and manganese.
Asme pwht project the national board of boiler and. Welding software by cspec asme aws en professionals. Hy 80 is a high yield steel with minimum yield strength of 80 ksi. Preheating hy 80 steel weldments is standard procedure, but it is an expensive and time consuming step in the fabrication of hull structures. This ensures that the weld metal will have strength and ductility similar to the base material after heat treatment. Pricing welders log welding procedure specification software.