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ASTM D2412 PDF

December 21, 2018

1 Jun ASTM D(). Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading. ASTM D Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading. Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading. Theory: ASTM D is used to determine.

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This summary is intended to help you understand the basic procedure and equipment required to complete this test with accuracy.

Historical Version s – view previous versions of standard. Pipes tested under ASTM D must be smaller than the envelope of the two compression platens by at least a half an inch.

Begin compressing the specimen at the specified rate.

ASTM D2412 Load Deflection of Plastic Pipe Test How to Guide

ASTM D is a testing standard used to determine the stiffness and load deflection of plastic pipe. A pair of smooth compression platens capable of applying the required load without bending. The length of the plate should equal or exceed that of the specimen. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered ast. This is a function of the pipe dimensions and the physical properties of the material of which the pipe is made.

The eP2 Digital Controller, a standalone touch panel unit, offers a balance between performance and simplicity. Be sure to cut the pipe cleanly. Wide versions of all of these satm are available to accomodate large pipe diameters. Square or circular platens can be used, with most customers choosing a square platen. These details are included in the product standards, for example, Specification F We’re ready to help!

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Care must be taken to account for the mid-section of the pipe which will expand slightly as the pipe is compressed. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Automotive Interior Mechanical Testing Guide. Compression platens are used for D Stop the test at break, when the load no longer increases with deflection or when the specimen reaches v2412 required maximum deflection.

ADMET testing controllers sati sfy this requirement and can automatically record load and deflection. The platen has a spherically seated joint that wobbles c2412 and lines up the load force on the pipe specimen. Referenced Documents purchase separately The documents asfm below are referenced within the subject standard but are not provided as part of the standard.

These notes and footnotes excluding those in tables and e2412 shall not be considered as requirements of the test method. A compression cage can be use for tension only testing machines in order to convert the tensile force into a compressive force. Link to Active This link will always route to the current Active version of the standard. Record the load and deflection when x2412 events are observed.

Depending on the type of plastic pipe being tested, cut the specimen to the lengths specified.

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ASTM D2412 Plastic Pipe Deflection Testing

Load measurements are taken at constant intervals. ADMET testing controllers are capable of automatically performing and reporting these calculations at any given deflection.

Measure the length, average diameter, and average wall thickness of the specimen. Be aware of line cracking, wall cracking, wall delamination, and break. How to Build a New Test. Planar Biaxial Testing Guide. Prepare and test at least three specimens for each pipe.

Condition the specimens to the temperature detailed in the specification. A spherically seated compression platen can be used in order to normalize the vector of compression.

Plate width should equal or exceed the pipes contact area at maximum deflection plus 6 in.

ASTM D Load Deflection of Plastic Pipe Test How to Guide – ADMET

Contact our Engineers Today! Calculate pipe stiffness, stiffness factor, and percentage pipe deflection using the formulas provided in the speciation. While this test method can be used in measuring the pipe stiffness of corrugated plastic pipe or tubing, special conditions and procedures are used.

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The pipe is compressed between two platens in order to gather load-deflection data. Calculations for ASTM D include percentage load deflection, pipe stiffness, and the stiffness factor.

ASTM D is used to determine pipe stiffness and to characterize the material behavior of plastics in pipe form.