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ASTM A872/A872M-07a

(Specification)

Standard Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments

Standard Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments

ABSTRACT
This specification covers centrifugally cast ferritic/austenitic steel pipe intended for general corrosive service. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures. The pipe shall be made by centrifugal casting process and furnished in the specified heat-treatment condition. The pipe shall also be machined. The grades shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, nitrogen, copper, and cobalt. Heat analysis and product analysis shall be done. Tensile requirements shall conform to the specified tensile strength, yield strength, and elongation; and hardness requirements shall conform to the specified Brinell and Rockwell C values. Tension test shall also be made.
SCOPE
1.1 This specification covers centrifugally cast ferritic/austenitic steel pipe intended for general corrosive service. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.
1.2 Optional supplementary requirements are provided when additional testing may be required.
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of each other. Combining values from the two systems may result in nonconformance with the specification.

General Information

Status
Historical
Publication Date
28-Feb-2007
ICS
23.040.10 - Iron and steel pipes
77.140.75 - Steel pipes and tubes for specific use
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.18 - Castings
Current Stage
Ref Project

Relations

Replaces
ASTM A872/A872M-07 - Standard Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments
Effective Date
01-Mar-2007
Replaced By
ASTM A872/A872M-07a(2012) - Standard Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments
Effective Date
01-Mar-2012
Referred By
ASTM A488/A488M-18e2 - Standard Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
Effective Date
01-Mar-2007
Referred By
ASTM A999/A999M-23 - Standard Specification for General Requirements for Alloy and Stainless Steel Pipe
Effective Date
01-Mar-2007

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ASTM A872/A872M-07a - Standard Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive EnvironmentsASTM A872/A872M-07a - Standard Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments
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ASTM A872/A872M-07a - Standard Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments
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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: A872/A872M – 07a
Standard Specification for
Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for
1
Corrosive Environments
This standard is issued under the fixed designationA872/A872M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope* E186 Reference Radiographs for Heavy-Walled (2 to 412-
in. [51 to 114-mm]) Steel Castings
1.1 This specification covers centrifugally cast ferritic/
E280 Reference Radiographs for Heavy-Walled (412 to
austenitic steel pipe intended for general corrosive service.
12-in. [114 to 305-mm]) Steel Castings
These steels are susceptible to embrittlement if used for
E340 Test Method for Macroetching Metals and Alloys
prolonged periods at elevated temperatures.
E446 Reference Radiographs for Steel Castings Up to 2 in.
1.2 Optional supplementary requirements are provided
[51 mm] in Thickness
when additional testing may be required.
2.2 ASME Boiler and Pressure Vessel Code:
1.3 The values stated in either inch-pound units or SI units
3
Section IX Welding Qualifications
are to be regarded separately as standard. Within the text, SI
2.3 ASTM Adjuncts:
units are shown in brackets. The values stated in each system
Adjunct E186 Reference Radiographs—Transparencies in
are not exact equivalents; therefore, each system must be used
4
Ringbinders, 3 Volumes
independently of each other. Combining values from the two
Adjunct E280 Reference Radiographs—Transparencies in
systems may result in nonconformance with the specification.
5
Ringbinders, 2 Volumes
2. Referenced Documents
Adjunct E446 Reference Radiographs—Transparencies in
6
2
Ringbinders, 3 Volumes
2.1 ASTM Standards:
A370 Test Methods and Definitions for Mechanical Testing
3. Ordering Information
of Steel Products
3.1 Orders for material to this specification shall include the
A488/A488M Practice for Steel Castings, Welding, Quali-
following, as required, to describe the desired material ad-
fications of Procedures and Personnel
equately.
A781/A781M Specification for Castings, Steel and Alloy,
3.1.1 Quantity (feet [metres] or number of lengths),
Common Requirements, for General Industrial Use
3.1.2 Name of material (centrifugally cast ferritic/austenitic
A999/A999M Specification for General Requirements for
steel pipe),
Alloy and Stainless Steel Pipe
3.1.3 Grade (Table 1),
E29 Practice for Using Significant Digits in Test Data to
3.1.4 Size (outside or inside diameter and minimum wall
Determine Conformance with Specifications
thickness in inches [millimetres]),
E94 Guide for Radiographic Examination
3.1.5 Length (specific or random, Specification A999/
E165 PracticeforLiquidPenetrantExaminationforGeneral
A999M),
Industry
3.1.6 End finish of Specification A999/A999M,
3.1.7 Optional Requirements (S1 through S6),
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
3
A01.18 on Castings. Available from American Society of Mechanical Engineers (ASME Interna-
Current edition approved March 1, 2007. Published April 2007. Originally tional), Three Park Ave., New York, NY 10016-5990.
4
approved in 1977. Last previous edition approved in 2007 as A872/A872M – 07. AvailablefromASTMInternationalHeadquarters.RequestRRE018601forVol
DOI: 10.1520/A0872_A0872M-07A. I, RRE018602 for Vol II, and RRE018603 for Vol III.
2 5
For referenced ASTM standards, visit the ASTM website, www.astm.org, or AvailablefromASTMInternationalHeadquarters.RequestforRRE028001 Vol
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM I and RRE028002 for Vol II.
6
Standards volume information, refer to the standard’s Document Summary page on AvailablefromASTMInternationalHeadquarters.RequestforRRE044601 Vol
the ASTM website. I, RRE044602 for Vol II, and RRE044603 for Vol III.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
A872/A872M – 07a
TABLE 1 Chemical Requirements
Grade
Element
UNS J94300
UNS J93183 UNS J93550
CD4MCuMN
C 0.030 max 0.030 max 0.04
Mn 2.0 max 2.0 max 0.50–1.50
P 0.040 max 0.040 max 0.04
S 0.030 max 0.030 max 0.04
Si 2.0 max 2.0 max 1.10 max
Ni 4.00–6.00 5.00–8.00 4.5–6.0
Cr 20.0–23.0 23.0–26.0 24.5–26.5
Mo 2.00–4.00 2.00–4.00 2.5–4.0
N 0.08–0.25 0.08–0.25 0.18–0.26
Cu 1.00 max 1.00 max 1.3–3.0
Co 0.50–1.50 0.50–1.50 .
3.1.8 Test report required (Section 12), and 6.3 To determine conformance with the chemical analysis
3.1
...

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