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CRA Clad or Lined Steel Pipe, Fourth Edition

standard by American Petroleum Institute, 03/01/2015

Product Details

Published: 03/01/2015
Number of Pages: 38
File Size: 1 file , 410 KB
Redline File Size: 2 files , 7.6 MB

Full Description

This specification covers seamless and welded clad steel line pipe and lined steel line

pipe with enhanced corrosion-resistant properties suitable for use in pipeline

transportation systems in the petroleum and natural gas industries. The clad and lined

steel line pipe specified herein is composed of a carbon steel backing or base material

outside (in some cases inside and/or outside) and a corrosion-resistant alloy (CRA)

layer or lining inside of the pipe. The base material conforms to API 5L (45th Ed.),

product specification level (PSL) 2 and applicable annex(es), except as modified herein.

Grades of base material covered by this specification include X42, X46, X52, X56, X60,

X65, X70, X80, and grades intermediate to these. Grades of the CRA layer are LC 1812,

2205, 2506, 2242, 2262, unified numbering system (UNS) S31703, UNS N08904, UNS N10276,

Alloy 31 (UNS N08031), Alloy 59 (UNS N06059), Alloy 254 SMO-11 (UNS S31254), Alloy 400

(UNS N04400), AL6NX (UNS N08367), and EN 1.4529 (UNS N08926). Other grades are subject

to agreement between the purchaser and the manufacturer.

The delivered product usually has square ends, but other special ends may be furnished

by agreement between the purchaser and manufacturer. Included are nominal pipe sizes

(NPS) 25 mm (1 in.) through 2134 mm (84 in.). Sizes greater than 2134 mm (84 in.) are

outside of the range of API 5L (45th Ed.) but may be supplied up to 2500 mm (100 in.) by

agreement, including requirements for materials.

Document History

API Spec 5LD
March 2015
CRA Clad or Lined Steel Pipe, Fourth Edition
Most Recent

API Spec 5LD
March 2009
CRA Clad or Lined Steel Pipe, Third Edition
Historical Version

API Spec 5LD
July 1998
Specification for CRA Clad or Lined Steel Pipe
Historical Version

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