Improved material designations the recent updates and additions to astm d3350 caused the ehmw hdpe resins designated as pe3408 in 2006, to become pe3608 in 2007. Among the factors controlling the physical properties of hdpe are mfr, density, molecular weight, molecular weight distribution, crystallinity, double bonds, branched species, etc. The following is a list of standards which may be referenced in this section. Care must be taken during installation to avoid impact and suddenly applied high stress. Specifications can have multiple editions and are revised from time to time. Mechanical properties of hdpe m624 with three filler inorganic and organic composites were assessed with respect to the effect of the filler content. A definitive quality guarantee is given in our generalconditions of sales. Properties of hdpe drain pipes advanced piping systems. Pipe property table shape weight per foot outside diameter inside diameter thickness actual area sx standard pipe 12std 0. Aashto m 252 standard specification for corrugated polyethylene drainage pipe 310 75mm to 250mm. Effects of microstructure on creep characteristics by joy j. High density polyethylene pipe extrusion product description.
Experimental investigations to determine the elastic material properties of polyvinyl chloride pvc pipes are reported. The distinctive green stripe on the pipe is your assurance of the best in quality and service from a leader in plastic drainage products. Solidwall pvc pipe drainpipe and pressure pipe showed a 2. Typical engineering properties of high density polyethylene. The filler varied from 5% to 25% by weight in the composite. Hdpe drain pipes and fittings has extraordinary chemical and impact resistance, as well as a high flexibility level amongst other highly regarded properties. Pipe property table weight per outside inside thickness shape.
Dimensions sizes and dimensions of pipes and tubes, and their fittings inside and outside diameter, weight and more. We can provide hdpe products, components, fittings and customfabricated hdpe solutions for even the most complex and demanding projects. Polyethylene pipeline systems avoiding the pitfalls of. Pvccpvc physical properties and astm specifications for piping physical properties of pvc and cpvc poly vinyl chloride pvc chlorinated poly vinyl chloride cpvc this thermoplastic is the largest volume an industrial thermoplastic piping material.
Mechanical and chemical properties of high density polyethylene. In prac tical terms, this means hdpe pipe shrinks 10 times as. It is sometimes called alkathene or polythene when used for hdpe pipes. Mechanical and chemical properties of high density. Pdf the present work addresses the effect of temperatures ranging from 10 to 70 c on the mechanical properties of pe100 pipe material. Typical properties of hdpe astm test method english units metric units physical properties density d1505 59. The structural performance of flexible pipes muhannad taher suleiman iowa state university follow this and additional works at. The required pipe series for a particular application class is calculated from the design stress and the operating pressure. D1248, standard specification for polyethylene plastics extrusion materials for wire and cable. This engineering data is often used in the design of structural beams or structural flexural members. Choose pipe size 18 14 38 12 34 1 114 112 2 212 3 312 4 5 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36. The thicker wall makes it stronger and more adept at handling increased pressure. It is often assumed that horizontal and vertical deflection are equal.
Coefficient of thermal expansion is over 10 times that of di and steel and 3 times that of pvc. Pdf variation of mechanical properties of hdpe pipe material. Obvious improvement in the mechanical parameters was recorded depending on the filler type and mesh size. F2562, specifications for steel reinforced thermoplastic ribbed pipe and. Our product specialists have the knowledge and experience to provide highdensity polyethylene pipe and fittings solutions for engineers, designers, contractors and technicians nationwide. Schedule 80 piping can also be threaded at the ends, which is not recommended with schedule 40. Engineering properties of polyethylene introduction a fundamental understanding of material characteristics is an inherent part of the design process for any piping system. The strength reduction was directly proportional to the percent open area poa. It purportedly combines the strength of steel and the noncorrosive properties of hdpe pipe. It is the material of choice in harsh chemical environments. Construction may include surface preparation, trench excavation, shoring. Hdpe pipe has a smooth id and maintains its flow capability over time hazen williams c factor remains 150, even after years of use. This engineering calculator will determine the section modulus for the given crosssection. This thermoplastic is available in a range of flexibilities depending on the production process.
High density polyethylene hdpe is a thermoplastic material which is. Physical properties of plastic pipe used in reclamation toe drains es2 3. The mechanical characteristics and properties of hope gipes are highly affected by the environmental conditions. Properties and applications of hdpe or high density. Unless otherwise stated, these values represent averages taken from injection moulding samples.
Polypropylene pp is a member of the polyolefin family and is one of the lightest plastics known. Hdpe high density polyethylene after its experimental preparation in the 1930s, the application in high frequency radar cables during world war ii, gave impetus to its commercial production. Pdf the properties that make plastic of direct interest to designers and engineers are its good strength to weight ratio, low manufacturing and. It possesses excellent chemical resistance to many acids, alkalis and organic solvents. Area moment of inertia section properties of tubepipe feature calculator and equations. These advantages combine to make pe a preferred pipe for special applications. Astm d4883 environmental stress crack resistance 5000 hour 5000 hour condition c. Pb pipe, polybutylene pipe in buildings, properties, uses. Property standard unit pe100 pe 100 material properties. Before using this product, the user is advised and cautioned to make their own determination and assessment of the safety and suitability of the product for the specific use in question and is further advised against relying on the information contained herein as. Highdensity polyethylene hdpe or polyethylene highdensity pehd is a thermoplastic polymer produced from the monomer ethylene. Hdpe pipe is corrosion and chemical resistant hdpe pipe will not corrode, tuberculate or support biological growth. We include information about failures and problems with some generations of plastic pipes pb or polybutylene and we describe good building practice installation details where plastic piping is being installed.
Chapter 3 material properties plastics pipe institute. But the three basic physical properties factors that regulate physical properties are molecular weight, molecular weight distribution and density. This pipe product has been compared to precast concrete pipe, corrugated metal pipe cmp, and high density polyethylene hdpe pipe. With such an understanding, the piping designer can use the properties of the material to design for optimum performance. With a high strengthtodensity ratio, hdpe is used in the production of plastic bottles, corrosionresistant piping, geomembranes and plastic lumber. Ice in the pipe will restrict or stop flow, but not cause pipe breakage. For solidwall pipe, the perforated pipe was significantly weaker than the nonperforated pipe. Pvccpvc physical properties and astm specifications for piping physical properties of pvc and cpvc poly vinyl chloride pvc chlorinated polyvinyl chloride cpvc this thermoplastic materia l is the largest volume an industrial thermoplastic piping material which can be. Highdensity polyethylene pipe systems meeting the challenges of the 21st century. However, many times, the decision of which type of pipe to use is not based on science or engineering but on trends or salesman recommendations. Material properties data in polyethylene pipe design find out about how material data supplied by pe resin manufacturers leads to more costefficient pipelines dr. Part of thecivil engineering commons this dissertation is brought to you for free and open access by the iowa state university capstones, theses and dissertations at iowa state university. The markings on pipe products indicate conformance to the latest edition and revisions of such standards as of the date of production.
Pipe marked with nsf61 meets the rigorous standards of third party testing performed by the national sanitation foundation. Physical properties metric english comments density. Failure analysis of high density polyethylene butt weld joint. Properties of hdpe pipe high density polyethylene pipe hdpe has several properties that make it very different from traditional water works pipe materials. In this investigation the influence of temperature. Polyethylene pipe design for thermal change may be significantly different compared to other piping materials. Schedule 80 pvc piping has a thicker wall then schedule 40.
Figure 12 stressrupture characteristics of an hdpe pipe material similar or. Com june 4, 2015 this document provides the cell classification and respective material properties in accordance with astm d3350. Lightweight, flexible, chemical and abrasion resistant. Sdr17 hdpe pipe high density polyethylene pipe 4 x 20 ft. The temperature effects on high density polyethylene hdpe pipes.
Chapter 3 material properties 44 pe pipe and pe fittings can be joined to each other by thermal fusion processes which result in leakproof bottletight joints that are as strong and as tough as the pipe itself. Markets we serve ads hdpe drainage products are used in a wide. Pdf effect of temperature on tensile properties of hdpe pipe. Today, more than ever, ads pipe, fittings and structures are becoming one of the preferred products throughout the stormwater drainage industry. The nominal properties reported herein are typical of the product but do not reflect normal testing variance and therefore should not be used for specification purposes. Recommended material specifications and design requirements. Mechanical properties of filled high density polyethylene. Predrag micic product development executive february 2017 by applying the actual performance data of the selected pe100 resin when derating or applying of. This data sheet provides typical properties for performance pipe piping products.
Hdpe p50h03 is a natural colored grade produced with the latest mitsui cx slurry polymerization technology exhibiting following features. The bending stress problem deflection characteristics typically control hdpe design limitations and help to identify structural problems associated with other performance criteria, including bending stress in the pipe wall. Owing to these desirable properties, pipes constructed out of hdpe are ideally applicable for potable water, and waste water storm and sewage. The physical properties values reported herein were determined on compression molded specimens prepared in accordance with procedure c of astm d 1928 and may differ from specimens taken from pipe. Area moment of inertia section properties tubepipe calculator. In practical terms, this means hdpe pipe shrinks 10 times as much as di and 3 times as. Polyethylene pipe can be installed and operated in subfreezing conditions. Physical properties of plastic pipe used in reclamation. Lessons learned from the east texas fish hatchery incident. High density polyethylene pipe hdpe has several properties that make it very different from traditional water works pipe materials. Tests were discontinued because no failures and no indication of stress crackinitiation. This section includes construction of highdensity polyethylene pipe for storm drainage culverts including appurtenances normally installed as a part of these systems. The properties given below are for hdpe grades used to manufacture pipe. Hdpe versus pvc high density polyethylene hdpe pipe has become a popular alternative to poly vinyl chloride pvc piping systems for golf course irrigation systems.
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