ASTM A381 PDF

ASTM A381 PDF

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Link to Active This link will always route to the current Active version of the standard.

ASTM A381 / ASME SA381 / Metal Arc Welded Steel Pipe supplier & distributor in India

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. It is informational only and astk an official part of the standard; the full text of the standard itself must be referred to for its use and application.

This specification covers metal-arc-welded steel pipe for use with high pressure transmission systems. Work Item s – proposed revisions of this standard.

Active view current version of standard. The metric equivalents of inch-pound units may be approximate. Link to Active This link will always route to the current Active version of the standard.

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ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. This standard does not purport to a3811 all of the safety concerns, if any, associated with its use. Historical Version s – view previous versions of standard. Referenced Documents purchase separately The a3881 listed below are referenced within the subject standard but are not provided as part of the standard. Pipe ordered to this specification shall be suitable for bending, flanging vastoningcorrugating, and similar operations.

ASTM A381 Grade K03013

This standard does not purport to address all of the safety problems, if any, associated with its use. For some sizes of the pipe covered by this specification, it becomes expedient to use manual welding, in which case the provisions of Note 3 shall be followed.

Combining values from the two systems may result in nonconformance with the standard. For some sizes of the pipe covered by this specification, it becomes expedient to use manual welding, in which case the provisions of Note 3 shall be followed.

ASTM A – for Metal-Arc-Welded Steel Pipe for Use With High-Pressure Transmission Systems

The values stated in either inch-pound units or SI units are to be regarded separately as standard. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability q381 regulatory limitations prior to use. Within the text, the SI units are shown in brackets. The required chemical compositions for carbon steel, and the tensile properties of finished pipes are presented.

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Mechanical testing requirements namely transverse body tension test and transverse weld tension test shall be performed on each length of pipe from each lot of lengths, and transverse guided-bend weld test cut from a length of pipe from each lot of 50 length, also hydrostatic test from each length of pipes shall be performed.

Note 2-The term “double welded” is commonly used in the gas and oil transmission industry, for which this pipe is primarily intended, to indicate welding with at least two weld passes, of which one is on the outside of the pipe and one on the inside.

This abstract is a brief summary of the referenced standard.

A radiographic examination shall also be performed to ensure that the welding equipment is consistently producing the required quality. The pipe is intended for fabrication of fittings and accessories for compressor or pump-station piping.

Asmt ordered to this specification shall be suitable for bending, flanging, corrugating, and similar operations. The pipe is intended for fabrication of fittings and accessories for compressor or pump-station piping.