With over 65 years of experience, viadux is australias largest distributer of ductile iron pipe. Ductile iron is also called ductile cast iron, spheroidal graphite cast iron, or nodular cast iron. Ductile iron improves the resistance to cracking which may occur in gray iron and ductile iron may be able to reduce overall dimensions and mass of a casting without sacrificing performance characteristics. The youngest but most successful member of a truly ancient family, ductile iron has suffered from an abundance of myths and a lack of information. Click download or read online button to get ductile iron handbook book now. Ductile iron has been chosen in many instances on the basis. A few of the terms used to describe cast iron and its constituents are. The average damping capacity for ductile iron is 6. Comparison of casting simulation results and experimental data in. These and other standards are referenced throughout this section either by the full ansiawwa designation or by only the awwa numbering, such as awwa c110 or c153.
Gray and ductile iron castings handbook download ebook. Ductile iron pipe has superseded cast iron pipe, but dipra continues to sponsor the cast iron pipe century club as a salute to utilities for a job well done. Ductile iron data for design engineers qitfer et titane, inc on. Pipe roughness coefficients table charts hazenwilliams. Here come to the rescue the data mining tools and machine learning. Simplicity, sturdiness and watertightness are built into the system by.
Gray and ductile iron castings handbook including data on gray, ductile, white, and high alloy irons, charles f. Gray and ductile iron castings handbook including data on. The title describes both the contents and the objective of this book. What are the advantages of concast ductile iron compared with other materials. The most comprehensive text available on ductile iron, this book contains information on production practices, metallurgy and properties from a. Ductile iron has superior shock absorption to steel. Associate member dues link overseas member dues link dis na members. Ductile iron handbook download ebook pdf, epub, tuebl, mobi. Ductile iron, like cast iron, is used for sewage service. Mechanical and structural properties of ductile cast iron. Durabar 654512 ductile iron contains nodular graphite in a matrix of ferrite with small amounts of pearlite. The contractor shall furnish and install ductile iron pipe, fittings, valves, special items, and all appurtenant work, complete in place, all in accordance with the requirements of the contract documents. Ductile iron pipe is available in five pressure classes, defined as the rated working pressure of the pipe, based on a minimum yield strength of 42,000 psi and a 2.
Ductile iron is only different from cast iron in its ability to bend without breaking. Click download or read online button to get gray and ductile iron castings handbook book now. Mechanical properties of ductile irons1 cast iron science and. The delavaud casting process incorporates a metal mold which has a peen pattern on its inside diameter. Please note that because of the variation in roughness in these materials depending on the source, the roughness values reported here have uncertainties ranging from 20 % for new wrought iron to 70 % for riveted steel. The harrington corporation harco is a producer of gasketed joint injectionmolded pvc fittings and pushon gasketed joint ductile fittings. Its strength, toughness and ductility duplicate many grades of steel and far exceed those of standard gray irons. Including data on gray, ductile nodular, white, and high alloy irons, by charles f walton and a great selection of related books, art. To properly weld ductile iron its important to follow specialized weld.
This article provides information on the general characteristics, composition, uses, applications and specifications for standard grades of ductile iron. Ductile iron is produced by adding a closely controlled amount of magnesium alloy to a molten iron of low phosphorous and. Select the pdfs you want to add to your submittal package from the list below, or click each link for individual pdfs. For more information please contact a marketing and specifications representative. Technical data allowable pipeline pressure mpa type pn16 pn20 pn35 allowable operating pressure 1. It is a comprehensive summary of data describing the engineering properties of. However, formatting rules can vary widely between applications and fields of interest or study. Welcome to the ductile iron society looking for a job.
Ductile iron what ductile iron is ductile iron is a family of cast graphitic irons which possess high strength, ductility and resistance to shock. Our most popular durabar grade, 654512 ductile iron has excellent machinability with good surface finishes, optimal impact strengths, fatigue properties. The 12 chapters outlines the procedure for calculating pipe wall thickness and class, and describes the types of joints, fittings, valves, linings, and corrosion. A ductile iron generally has higher hardenability than a eutectoid steel with comparable alloy content. Ductile iron pipe offers more durability, a higher degree of safety, an extremely efficient installation proc. Material shall be ductile iron to astm a536, grade 654512 or 805506. Astm a71608 standard specification for ductile iron culvert pipe. Ductile iron pipe is centrifugally cast by pouring molten iron against the inside wall of an externally cooled rotating metal mold. This section includes the available product literature available for our ductile iron pipe and corresponding joint types. View detailed import data, price, monthly trends, major importing countries, major ports of ductile iron import data and price of ductile iron zauba skip to main content. Submittal buttons and cover page entry will be displayed once an item has been selected.
For example, 18% elongation can be easily achieved with astm a395 and a536 grades 604018 material. Many items sold by usabluebook require supplemental training, licenses or permits for proper use and may be harmful if not used properly. American ductile iron flanged fittings the principal standard covering flanged fittings is ansiawwa c110a21. Engineering submittal data metalfit manufactures ductile iron and gray cast iron flanged fittings for both waterworks and industrial applications and conforms fully to the required industry standards. To properly weld ductile iron its important to follow specialized weld procedures. Gray and ductile iron castings handbook download ebook pdf. Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spheroidal graphite cast iron and sg iron, is a type of graphiterich cast iron discovered in 1943 by keith millis. Austempered ductile iron adi is a form of ductile iron that enjoys high strength and ductility as a result of its microstructure controlled through heat treatment. Where spot facing is required, the back of the flange is machined over its entire surface. It is a comprehensive summary of data describing the engineering properties of ductile iron. The addition of magnesium in ductile iron means that the graphite has a nodularspherical shape conferring higher strength and ductility as opposed to gray iron which is flake shaped.
The grades of ductile iron designated by their tensile properties in the specification astm a536 are presented in a table. Flanged ductile iron fittings in 24 inch and smaller sizes may be rated for 350 psi with the use of special gaskets. Provides practical information about the design and installation of ductile iron pressure piping systems for water utilities. Ductileiron pipe and fittings american water works. Ductile iron has a higher yield strength than malleable iron, meaning it can bear greater loads and higher temperatures. Fluid flow table of contents hydraulic and pneumatic knowledge fluid power equipment. Ductile cast iron solidification is characterised by a very thin solidified skin and appearance of different phases. Most of the data on fatigue strength for ductile iron have been. The youngest but most successful member of a truly ancient family, ductile iron has suffered from an abundance of myths and a. Ductile iron data for design engineers table of contents preface i.
One very important point in the explanation is that even though ductile to brittle transformation. Ductile cast iron frequently referred to as nodular or spheroid graphite iron is a recent member of the family of cast irons. Ductile iron is a type of cast iron known for its impact and fatigue resistance, elongation, and wear resistance due to the spherical round graphite structures in the metal. Thermal analysis of ductile iron casting intechopen. This is because data in the literature do not describe the true properties of ductile iron, whereas it is very easy to make a prototype casting and try it in the field. Harco was founded in 1966 in lynchburg, virginia, to produce pushon joint ductile iron fittings. Inspire a love of reading with prime book box for kids discover delightful childrens books with prime book box, a subscription that delivers new books every 1, 2, or 3 months new customers receive 15% off your first box. The common defining characteristic of this group of materials is the shape of the graphite. The grinnell ductile iron and fabricated steel grooved fittings provide an economical and efficient method of changing direction, adding.
Ductile iron is often used as a cost effective alternative to steel castings. Comparative analysis of the properties of the nodular cast iron with. In ductile irons, graphite is in the form of nodules rather than flakes as in grey iron. History and development, 10 current implementation, 12 reclamationa s request, 16 meetings, 20 structure of the report, 21 2 ductile iron and corrosion 22 ductile iron pipe, 22 corrosion mechanisms, 25 soil corrosivity, 29 definition of. Astm a536 standard specification for ductile iron castings. Such systems are ansi awwa standards particularly suited for above ground installation in the following. Linkmetal casting careers video associate members and overseas members can now pay their dues online at the following links.
Gray and ductile iron castings handbook including data on gray, ductile, white, and high alloy irons. Important cast iron properties such as ultimate tensile strength, thermal conductivity, and ultrasonic velocity are catalogued into a database from the reported. Ductile iron class 125 fittings are furnished manufacturers. The corrosion resistance of ductile iron pipe has been proved in a wide variety of accelerated tests to be at least the equal of gray cast iron. Pipe ductile iron pipe fittings ductile iron pipe fittings 1 12 170 filter products. Browse ductile iron check valves in the nibco catalog including f918 check valve 3% nickel iron body, stainless steel trim,f93831 check valve class 150, ductile iron,f93833 check valve class 150, stainless steel trim,w910wlf. Please refer to nibco technical data sheets, chemical resistance guides and catalogs for. The youngest but most successful member of a truly ancient family. Inspire a love of reading with prime book box for kids discover delightful childrens books with prime book box, a subscription that delivers new books every 1. Manufactured to asnzs 2280 ductile iron fittings for high strength and impact resistance suitable for in ground or above ground applications all fittings are supplied with a thermally bonded polymeric coating for long life corrosion protection. Di pipe as2280 di zinc, zinal coated suppliers viadux. However, according to the kirkpatrick foundry, malleable iron is the best choice when you want to cast thin sections or plates.
Convincing proof of its worldwide acceptance is shown by the fact that more. The distinct, indisputable advantages to using ductile iron pipe instead of steel pipe have long been recognized by engineers, contractors, construction firm owners, and community leaders. Ductile iron, which was first used in the 1960s, continues this excellent record of underground and above ground service. Design tables based on ductile iron pipe data and suggested loads are also provided. Flanged offsets and true wyes are furnished manufacturers standard. Long radius and reducing elbows, reducing ontherun tees, side outlet fittings, eccentric reducers and laterals are ansi b16. It contains spheroid graphite in the as cast condition, through the addition of nucleating agents such as cerium or magnesium to the liquid iron 2, 4. Durabar ductile iron is a costsaving alternative to lowmedium carbon steels and has similar strengths with excellent free machining properties. The differences between ductile iron and gray iron. Ductile iron, also known as nodular iron or spheroidal graphite iron, is second to gray iron in the amount of casting produced. The most comprehensive text available on ductile iron, this book contains the latest on production practices, metallurgy and properties from a battery of industry experts.
If you need to print pages from this book, we recommend downloading it as a pdf. Applications include machine components subject to shock and fatigue loads. Ductile iron flanged pipe for water and other liquids. Annealed cast ductile iron can be bent, twisted or deformed without fracturing. Ductile iron has greater strength and ductility than gray iron. Simplicity, sturdiness and watertightness are built into the system by design. Items sold by usabluebook are intended for use only by professionals in the water and wastewater treatment industry. In fact ductile cast iron provides a wide spectrum of mechanical. Including data on gray, ductile, white and high alloy irons.
Ductile iron contains the same ingredients as cast iron. Technical data despite this, the principles of ductile iron solidification are understood from the binary ironcarbon phase diagram, where the eutectic point lies at 1154c and 4. Find iron round rods at msc industrial supply, serving the metalworking, safety, and mro industries for over 75 years. Pure metals solidify with a solidification front that is very well defined and a clearly delineated solidliquid interface. Ductile iron class 125 fittings are furnished manufacturers standard for 250 psi water working pressure.
Pipes trademark for pipe with a pushon type connection. Cast ductile iron gate valves for use in commercial and industrial applications. Contents summary 1 1 introduction 10 the bureau of reclamationa s technical memorandum 8140cc20041. Hp lok restrained joint pipe and fittings international. Unfortunately, this book cant be printed from the openbook. It describes the manufacturing and metallurgical process control procedures, including testing and inspection, and heat treatment.
Those properties allow it to be used effectively in a wide variety of industrial applications, including pipe, automotive components, wheels, gear boxes, pump housings, machine. Bell depths shall meet the minimum socket depth requirements of astm d3034 and astm. Section 11 toxicological information no toxicological information is available for solid castings. Work under this section applies to the furnishing and installation of ductile iron pipe, fittings and special items for buried service. Flanged pipe and fittings are typical components in rigid piping systems. Comparison of ductile iron vs steel penticton foundry. Ductile iron is not a single material but part of a group of materials which can be produced with a wide range of properties through control of their microstructure. Gray and ductile iron castings handbook including data. Tyton is the most recognised and trusted brand in ductile iron pipe systems for potable water and wastewater applications and is your guarantee of quality, flexibility and ease of installation.
While most varieties of cast iron are weak in tension and brittle, ductile iron has much more impact and fatigue resistance, due to its nodular graphite inclusions. Harco ductile iron sewer fittings design data suggested specification ductile iron sewer fittings shall be deep bell, gasketed joint, and air test rated. Specific procedures, recommended design limits and allowable stresses are outlined in an example problem. Ductile iron data for design engineers revised edition. This site is like a library, use search box in the widget to get ebook that you want. The outer skin is formed being very thin in ductile iron. Including data on gray, ductile nodular, white, and high alloy irons, by charles f walton and a great selection of related books, art and collectibles available now at. The article also discusses the physical properties of ductile iron, including density, thermal conductivity, electrical conductivity, electrical resistivity, and magnetic properties. Classes 25, 125, and 250 flange surfaces shall be faced and drilled in accordance with ansi class 125 awwa c104a21. Ductile iron pipe and fittings download pdfepub ebook. The cast iron pipe century club recognizes utilities with cast iron pipe that has provided continuous service for 100 years or more.
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