ASTM-A691:2007 Edition

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A691-98(2007) Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures

Published By	Publication Date	Number of Pages
ASTM	2007	6

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Categories: 23.040.10 - Iron and steel pipes, ASTM

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Description

ASTM A691-98-Reapproved2007

Historical Standard: Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures

ASTM A691

Scope

1.1 This specification covers carbon and alloy steel pipe, electric-fusion-welded with filler metal added, fabricated from pressure-vessel-quality plate of several analyses and strength levels and suitable for high-pressure service at high temperatures. Heat treatment may or may not be required to attain the desired mechanical properties or to comply with applicable code requirements. Supplementary requirements are provided for use when additional testing or examination is desired.

1.2 The specification nominally covers pipe 16 in. (405 mm) in outside diameter and larger with wall thicknesses up to 3 in. (75 mm) inclusive. Pipe having other dimensions may be furnished provided it complies with all other requirements of this specification.

1.3 Several grades and classes of pipe are provided.

1.3.1 Grade designates the type of plate used as listed in Table 1.

1.3.2 Class designates the type of heat treatment performed in the manufacture of the pipe, whether the weld is radiographically examined, and whether the pipe has been pressure tested as listed in 1.3.3.

1.3.3 Class designations are as follows (Note 1):

Note 1—Selection of materials should be made with attention to temperature of service. For such guidance, Specification A 20/A 20M may be consulted.

1.4 Optional requirements of a supplementary nature are provided, calling for additional tests and control of repair welding, when desired.

1.5 The values stated in inch-pound units are to be regarded as the standard.

Keywords

Alloy steel pipe–specifications; Carbon steel pipe–specifications; Electric-fusion-welded steel pipe; High-temperature service applications–steel pipe; Pressure vessel steel pipe–specifications; Welded steel pipe–specifications

ICS Code

ICS Number Code 23.040.10 (Iron and steel pipes)

DOI: 10.1520/A0691-98R07

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Ordering Information Materials and Manufacture TABLE 1
3	General Requirements Chemical Requirements Mechanical Requirements Radiographic Examination TABLE 2
4	Rework Dimensions, Mass, and Permissible Variations Workmanship, Finish, and Appearance Product Marking

Additional information

30	normalized, see 5.3.2
43	normalized and tempered, see 5.3.3
32	normalized, see 5.3.2
21	stress relieved, see 5.3.1
10	none
53	quenched and tempered, see 5.3.4
42	normalized and tempered, see 5.3.3
31	normalized, see 5.3.2
20	stress relieved, see 5.3.1
52	quenched and tempered, see 5.3.4
41	normalized and tempered, see 5.3.3
51	quenched and tempered, see 5.3.4
40	normalized and tempered, see 5.3.3
50	quenched and tempered, see 5.3.4
13	none
23	stress relieved, see 5.3.1
12	none
33	normalized, see 5.3.2
22	stress relieved, see 5.3.1
11	none
ICS Codes	23.040.10 - Iron and steel pipes