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ASTM A556/A556M-96

(Specification)

Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes

Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes

SCOPE
1.1 This specification  covers minimum-wall-thickness, seamless cold-drawn carbon steel tubes including bending into the form of U-tubes, if specified, for use in tubular feedwater heaters.  
1.2 The tubing sizes covered shall be 5/8 to 1 ¼-in. [15.9 to 31.8-mm] outside diameter, inclusive, with minimum wall thicknesses equal to or greater than 0.045 in. [1.1 mm].  
1.3 Optional supplementary requirements are provided, and when desired, shall be stated in the order.  
1.4 The values stated in either inch-pound units or SI units are to be regarded separately as the standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the "M" designation of this specification is specified in the order.

General Information

Status
Historical
Publication Date
09-Oct-1996
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.09 - Carbon Steel Tubular Products
Current Stage
Ref Project

Relations

Replaced By
ASTM A556/A556M-96(2001) - Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes
Effective Date
10-Oct-1996

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ASTM A556/A556M-96 - Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater TubesASTM A556/A556M-96 - Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes
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ASTM A556/A556M-96 - Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes
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NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn.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 556/A 556M – 96 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
Seamless Cold-Drawn Carbon Steel Feedwater Heater
1
Tubes
This standard is issued under the fixed designation A 556/A 556M; 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 3.1.6 Grade (chemical composition),
2
3.1.7 Optional requirements,
1.1 This specification covers minimum-wall-thickness,
3.1.8 Bending Requirements— If order specifies tubes to be
seamless cold-drawn carbon steel tubes including bending into
bent, the design of the U-tubes shall accompany the order.
the form of U-tubes, if specified, for use in tubular feedwater
Purchaser must specify if stress-relief anneal of the U-bends is
heaters.
5 1 required,
1.2 The tubing sizes covered shall be ⁄8 to 1 ⁄4-in. [15.9 to
3.1.9 Test report required (see Certification Section of
31.8-mm] outside diameter, inclusive, with minimum wall
Specification A 450/A 450M),
thicknesses equal to or greater than 0.045 in. [1.1 mm].
3.1.10 Specification number, and
1.3 Optional supplementary requirements are provided, and
3.1.11 Special requirements and any supplementary require-
when desired, shall be stated in the order.
ments selected.
1.4 The values stated in either inch-pound units or SI units
are to be regarded separately as the standard. Within the text,
4. General Requirements
the SI units are shown in brackets. The values stated in each
4.1 Material furnished to this specification shall conform to
system are not exact equivalents; therefore, each system must
the applicable requirements of the current edition of the
be used independently of the other. Combining values from the
Specification A 450/A 450M, unless otherwise provided
two systems may result in nonconformance with the specifi-
herein.
cation. The inch-pound units shall apply unless the “M”
designation of this specification is specified in the order.
5. Manufacture
2. Referenced Documents
5.1 Manufacture—Tubes shall be made by the seamless
process and shall be cold drawn.
2.1 ASTM Standards:
5.2 Heat Treatment:
A 450/A450M Specification for General Requirements for
3
5.2.1 Cold-drawn tubes shall be heat treated after the final
Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes
cold-draw pass at a temperature of 1200°F [640°C] or higher to
E 30 Test Methods for Chemical Analysis of Steel, Cast
4
ensure ductility satisfactory for rolling into tube sheets and to
Iron, Open-Hearth Iron, and Wrought Iron
meet mechanical properties as specified.
3. Ordering Information
5.2.2 If stress-relief anneal of the U-bends is specified, the
3.1 Orders for material under this specification should
anneal shall consist of heating the bent portion within a range
include the following as required to describe the desired
of 1100 to 1200°F [585 to 640°C].
material adequately:
6. Chemical Composition
3.1.1 Quantity (feet, metres, or number of pieces),
3.1.2 Name of material (seamless steel tubing), 6.1 The steel shall conform to one of the requirements as to
3.1.3 Dimensions (outside diameter and minimum wall
chemical composition as prescribed in Table 1.
thickness), 6.2 When a grade is ordered under this specification, sup-
3.1.4 Length (specific or random),
plying an alloy grade that specifically requires the addition of
3.1.5 Manufacture (cold drawn), any element other than those listed for the ordered grade in
Table 1 is not permitted.
1
This specification is under the jurisdiction of ASTM Committee A-1 on Steel, 7. Product Analysis
Stainless Steel, and Related Alloys, and is the direct responsibility of Subcommittee
7.1 When requested in the purchase order, a product analy-
A01.09 on Carbon Steel Tubular Products.
sis shall be made by the manufacturer or supplier from one tube
Current edition approved October 10, 1996. Published October 1997. Originally
e1
published as A 556 – 65. Last previous edition A 556 – 90 (l995) .
or billet per heat.
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
7.2 If the original test for product analysis fails, retests of
cation SA-556 in Section II of that Code.
3
two additional tubes or billets shall be made. Both retests for
Annual Book of ASTM Standards, Vol 01.01.
4
Annual Book of ASTM Standards, Vol 03.05. the elements in question shall meet the requirements of this
1

---------------------- Page: 1 ----------------------
A 556/A 556M
TABLE 1 Chemical Requirements TABLE 3 Hardness Requirements
Element Compo
...

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