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ASTM A381/A381M

Standard Specification for Metal-Arc-Welded Carbon or High-Strength Low-Alloy Steel Pipe for Use With High-Pressure Transmission Systems

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Organization: ASTM
Publication Date: 1 November 2018
Status: active
Page Count: 4
ICS Code (Iron and steel pipes): 23.040.10
scope:

This specification covers straight seam, doublesubmerged- arc-welded carbon or high-strength low-alloy steel pipe (Note 1) suitable for high-pressure service, 16 in. [400 mm] and larger in outside diameter, with wall thicknesses from 516 to 112 in. [8 to 40 mm]. The pipe is intended for fabrication of fittings and accessories for compressor or pump-station piping. Pipe ordered to this specification shall be suitable for bending, flanging, corrugating, and similar operations.

NOTE 1-A comprehensive listing of standardized pipe dimensions is contained in ANSI B36.10.

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. 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.

This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI units), the applicable inch-pound units shall apply. The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

Eleven classes of pipe, based on minimum yield point requirements, are covered as indicated in Table 1.

This specification identifies various thermal treatments (3.1.9, 5.5, and 5.6).

The following caveat applies to the test methods portion, Sections 9, 10, and 11, only. This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

*A Summary of Changes section appears at the end of this standard

Document History

ASTM A381/A381M
November 1, 2018
Standard Specification for Metal-Arc-Welded Carbon or High-Strength Low-Alloy Steel Pipe for Use With High-Pressure Transmission Systems
This specification covers straight seam, doublesubmerged- arc-welded carbon or high-strength low-alloy steel pipe (Note 1) suitable for high-pressure service, 16 in. [400 mm] and larger in outside...
September 10, 1996
Standard Specification for Metal-Arc-Welded Steel Pipe for Use With High-Pressure Transmission Systems
This specification covers straight seam, doublesubmerged- arc-welded steel pipe (Note 1) suitable for highpressure service, 16 in. (406 mm) and larger in outside diameter, with wall thicknesses from...
September 10, 1996
Standard Specification for Metal-Arc-Welded Steel Pipe for Use with High-Pressure Transmission Systems
1. Scope 1.1 This specification covers straight seam, double-submerged-arc-welded steel pipe (Note 1) suitable for high-pressure service, 16 in. (406 mm) and larger in outside diameter, with wall...
September 10, 1996
Standard Specification for Metal-Arc-Welded Steel Pipe for Use with High-Pressure Transmission Systems
This specification covers straight seam, double-submerged-arc-welded steel pipe (Note 1) suitable for high-pressure service, 16 in. (406 mm) and larger in outside diameter, with wall thicknesses from...
September 10, 1996
Standard Specification for Metal-Arc-Welded Steel Pipe for Use with High-Pressure Transmission Systems
This specification covers straight seam, double-submerged-arc-welded steel pipe (Note 1) suitable for high-pressure service, 16 in. (406 mm) and larger in outside diameter, with wall thicknesses from...
July 15, 1993
Standard Specification for Metal-Arc-Welded Steel Pipe for Use with High-Pressure Transmission Systems
A description is not available for this item.
December 15, 1992
STANDARD SPECIFICATION FOR METAL-ARC-WELDED STEEL PIPE FOR USE WITH HIGH-PRESSURE TRANSMISSION SYSTEMS
A description is not available for this item.
May 17, 1989
STANDARD SPECIFICATION FOR METAL-ARC-WELDED STEEL PIPE FOR USE WITH HIGH-PRESSURE TRANSMISSION SYSTEMS
A description is not available for this item.
July 29, 1988
STANDARD SPECIFICATION FOR METAL-ARC-WELDED STEEL PIPE FOR USE WITH HIGH-PRESSURE TRANSMISSION SYSTEMS
A description is not available for this item.
September 25, 1981
STANDARD SPECIFICATION FOR METAL-ARC-WELDED STEEL PIPE FOR USE WITH HIGH-PRESSURE TRANSMISSION SYSTEMS
A description is not available for this item.

References

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