ASTM A691-98

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

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):  Radiography, Pressure Test, Class Heat Treatment on Pipe see Section see Section 10 none none none 11 none 9 none 12 none 9 8.3 13 none none 8.3 20 stress relieved, see 6.3.1 none none 21 stress relieved, see 6.3.1 9 none 22 stress relieved, see 6.3.1 9 8.3 23 stress relieved, see 6.3.1 none 8.3 30 normalized, see 6.3.2 none none 31 normalized, see 6.3.2 9 none 32 normalized, see 6.3.2 9 8.3 33 normalized, see 6.3.2 none 8.3 40 normalized and tempered, see 6.3.3 none none 41 normalized and tempered, see 6.3.3 9 none 42 normalized and tempered, see 6.3.3 9 8.3 43 normalized and tempered, see 6.3.3 none 8.3 50 quenched and tempered, see 6.3.4 none none 51 quenched and tempered, see 6.3.4 9 none 52 quenched and tempered, see 6.3.4 9 8.3 53 quenched and tempered, see 6.3.4 none 8.3
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.

General Information

• Status: Historical
• Publication Date: 09-Jun-1998
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.09 - Carbon Steel Tubular Products

Relations

• Replaced By: ASTM A691-98(2002) - Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures
• Effective Date: 10-Jun-1998

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn. Contact ASTM International (www.astm.org) for the latest information.
Designation: A 691 – 98 An American National Standard
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for
1
High-Pressure Service at High Temperatures
This standard is issued under the fixed designation A 691; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope
Radiography, Pressure Test,
Class Heat Treatment on Pipe see Section see Section
2
1.1 This specification covers carbon and alloy steel pipe,
electric-fusion-welded with filler metal added, fabricated from
50 quenched and tempered, see 5.3.4 none none
51 quenched and tempered, see 5.3.4 9 none
pressure-vessel-quality plate of several analyses and strength
52 quenched and tempered, see 5.3.4 9 8.3
levels and suitable for high-pressure service at high tempera-
53 quenched and tempered, see 5.3.4 none 8.3
tures. Heat treatment may or may not be required to attain the
NOTE 1—Selection of materials should be made with attention to
desired mechanical properties or to comply with applicable
temperature of service. For such guidance, Specification A 20/A 20M may
code requirements. Supplementary requirements are provided
be consulted.
for use when additional testing or examination is desired.
1.4 Optional requirements of a supplementary nature are
1.2 The specification nominally covers pipe 16 in. (405
provided, calling for additional tests and control of repair
mm) in outside diameter and larger with wall thicknesses up to
welding, when desired.
3 in. (75 mm) inclusive. Pipe having other dimensions may be
1.5 The values stated in inch-pound units are to be regarded
furnished provided it complies with all other requirements of
as the standard.
this specification.
1.3 Several grades and classes of pipe are provided.
2. Referenced Documents
1.3.1 Grade designates the type of plate used as listed in
2.1 ASTM Standards:
Table 1.
A 20/A 20M Specification for General Requirements for
1.3.2 Class designates the type of heat treatment performed
3
Steel Plates for Pressure Vessels
in the manufacture of the pipe, whether the weld is radio-
A 204/A 204M Specification for Pressure Vessel Plates,
graphically examined, and whether the pipe has been pressure
3
Alloy Steel, Molybdenum
tested as listed in 1.3.3.
A 299/A 299M Specification for Pressure Vessel Plates,
1.3.3 Class designations are as follows (Note 1):
3
Carbon Steel, Manganese-Silicon
Radiography, Pressure Test,
A 370 Test Methods and Definitions for Mechanical Testing
Class Heat Treatment on Pipe see Section see Section
4
of Steel Products
10 none none none
A 387/A 387M Specification for Pressure Vessel Plates,
11 none 9 none
3
Alloy Steel, Chromium-Molybdenum
12 none 9 8.3
13 none none 8.3 A 435/A 435M Specification for Straight-Beam Ultrasonic
20 stress relieved, see 5.3.1 none none 3
Examination of Steel Plates
21 stress relieved, see 5.3.1 9 none
A 530/A 530M Specification for General Requirements for
22 stress relieved, see 5.3.1 9 8.3
5
23 stress relieved, see 5.3.1 none 8.3
Specialized Carbon and Alloy Steel Pipe
30 normalized, see 5.3.2 none none
A 537/A 537M Specification for Pressure Vessel Plates,
31 normalized, see 5.3.2 9 none
3
Heat-Treated, Carbon-Manganese-Silicon Steel
32 normalized, see 5.3.2 9 8.3
6
33 normalized, see 5.3.2 none 8.3
E 165 Practice for Liquid Penetrant Inspection Method
40 normalized and tempered, see 5.3.3 none none
E 350 Methods for Chemical Analysis of Carbon Steel,
41 normalized and tempered, see 5.3.3 9 none
Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and
42 normalized and tempered, see 5.3.3 9 8.3
7
43 normalized and tempered, see 5.3.3 none 8.3 Wrought Iron
6
E 709 Practice for Magnetic Particle Examination
1
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
Stainless Steel, and Related Alloysand is the direct responsibility of Subcommittee
3
A01.09on Carbon Steel Tubular Products. Annual Book of ASTM Standards, Vol 01.04.
4
Current edition approved June 10, 1998. Published October 1998. Originally Annual Book of ASTM Standards, Vol 01.03.
5
published as A 691 – 74. Last previous edition A 691 – 96. Annual Book of ASTM Standards, Vol 01.01.
2 6
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- Annual Book of ASTM Standards, Vol 03.03.
7
cation SA-691 in Section II of that Code. Annual Book of ASTM Standards, Vol 03.05.
1

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