ASTM A707/A707M-00

Standard Specification for Forged Carbon and Alloy Steel Flanges for Low-Temperature Service

General Information

• Status: Historical
• Publication Date: 31-Dec-1999
• ICS: 23.040.60 - Flanges, couplings and joints
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.22 - Steel Forgings and Wrought Fittings for Piping Applications and Bolting Materials for Piping and Special Purpose Applications

Standards Content (Sample)

[[Tb Designation: A 707/A 707M - 00
An Amencan National Stardard
Standard Specification for
Forged Carbon and Alloy Steel Flanges for Low-
Temperature Service’
?his standard is issued under the 6xed designation A 707íA 707M; 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 Specification A 961, the following list of standards apply to
this specification:
1.1 This specification covers forged carbon and alloy steel
2.2 ASTM Standards:
flanges intended primarily for petroleum and gas pipelines in
A388/A388M hctice for Ultrasonic Examination of
areas subject to low ambient temperatures. included are flanges
Heavy Steel Forgings’
to specified dimensions or to dimensional standards such as
A 788 Specification for Steel Forgings, General Require-
those MSS, ASME, and API specifications that are referenced
ments’
in Section 2.
A 961 Specification for Common Requirements for Steel
1.2 Supplementary requirements are provided for use when
Flanges, Forged Fittings, Valves, and Parts for Piping
additional requirements are desired. These shall apply only
Applications3
when specified individually by the purchaser in the order.
2.3 MSS Standards:
1.3 Eight grades, four yield-strength classes, and three
SP25 Standard Marking System for Valves, Fittings,
different notch toughness levels are included
Flanges and Unions4
1.4 The availability of a particular size of flange of a
SP 44 Steel Pipeline Flanges4
specific grade and class is limited only by the capability of the
2.4 API Standard:
composition to meet the specified mechanical property require-
605 Large Diameter Carbon Steel Flanges5
ments. However, current practice normally limits the follow-
2.5 ASME Boiler and Pressure Vessel Code:
ing:
Section IX, Welding Qualifications6
(u) Grade L1 to Classes 1 and 2,
B 16.5 Dimensional Standards for Steel Pipe Flanges and
(6) Grade L2 to Classes 1, 2, and 3,
Flanged Fittings6
(c) Grade L3 to Classes 1, 2, and 3,
2.6 AWS Standards:
(d) Grade L4 to Classes 1, 2, and 3,
A 5.1 Mild Steel Covered Electrodes’
(e) Grade L7 to Classes 1 and 2, and
A 5.5 Low-Alloy Steel Covered Arc-Welding Electrodes’
v) Grades L5, L6, and L8 are generally available in any
class.
3. Terminology
1.5 This specification is expressed in both inch-pound units
3*1 Defiitions:
and in SI units. However, unless the order specifies the
3.1.1 Jlak-short discontinuous internai fissures attributed
applicable ‘6~” specification designation (3 the mate-
to stresses produced by localized transformation and decreased
rial shall be furnished to inch-pound units.
1.6 The values stated in either inch-wund units or SI units solubilisr of hydrogen during cooling after hot working.
3.1.2 linear surface imperfection (or indicutionban imper-
are to be regarded separately as standd. within he text, the
fection or indication with a length at least three times its width.
s~ are shown in brackets. fie values stated in each
system are not exact equivalents; therefore, each system must
4.
be used independently of the other. Combining values from the
4-1 It is the purchaser’s responsibility to specify in the
two system may result in nonconformance with the specifi-
purchase order all ordering information necessary to purchase
cation.
2. Referenced Documents
’Annual Book of ASTM StandanIs, Vol 01.05.
2.1 In addition to those reference documents listed in
Annual Book of ASTM Standardr, Vol O I .01.
Available from the Manufamrs’ Standardization Society of the Valve and
Fittings Indusq, 127 Park St., Northeast, Vienna, VA 22180.
’ This specification is under the jurisdiction of ASTM Committee A01 on Steel, Available from American Peiroleum Institute, 2101 L St., N.W., Washington,
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee DC 20037.
A01.22 on Steel Forgings and Wrought Fittings for Piping Applications and Bolting ‘Available from American Society of Mechanical Engineers, Three Park
Materiais for Piping and Special purPose Applications. Avenue, New York, NY 10016-5990.
Current edition approved March 10, 2000. Published May 2000. Originaiiy ’ Available from American Welding Society, 550 LeJeune Rd., P.O. Box 35 1040,
published as A 707 - 74. Last previous edition A 7û7íA 707M - 98. Miami, FL 33135.
Copyright O ASTM. 100 Ban Harbor Drive, West Conshohocken, PA 194282959, United States.
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STD-ASTM A?O?/A?O?M-ENGL 2000 0759510 Obb8199 Ob4 111
(i# A 707/A 707M
the needed material. In addition to the ordering information normalizing-and-tempering, normalizing-and-precipitation
guide lines in Specification A 961, orders should include the hardening
...