ASTM A803/A803M-16

Standard Specification for Seamless and Welded Ferritic Stainless Steel Feedwater Heater Tubes

ABSTRACT
This specification covers standard requirements for welded ferritic stainless steel feedforward heater tubes including those bent, if specified, into the form of U-tubes for application in tubular feed-water heaters. All finished straight tubing or straight tubing ready for U-bending shall be furnished in the solution-annealed condition. The steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, aluminum, copper, nitrogen, titanium, and columbium. The material shall also conform to tensile properties such as tensile strength, yield strength, and elongation. The steel shall meet the specified values for Brinell and Rockwell hardness. The steel shall undergo mechanical tests such as tension test, hardness test, reverse flattening test, flange test, pressure test, hydrostatic test, and air underwater test. Corrosion resisting properties of the sample tube shall also be determined.
SCOPE
1.1 This specification covers seamless and welded ferritic stainless steel feedwater heater tubes including those bent, if specified, into the form of U-tubes for application in tubular feedwater heaters.  
1.2 The tubing sizes covered shall be 5/8 to 1 in. [15.9 to 25.4 mm] inclusive outside diameter, and average or minimum wall thicknesses of 0.028 in. [0.7 mm] and heavier.  
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

General Information

• Status: Historical
• Publication Date: 29-Feb-2016
• ICS: 23.040.10 - Iron and steel pipes
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.10 - Stainless and Alloy Steel Tubular Products

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:A803/A803M −16
Standard Specification for
Seamless and Welded Ferritic Stainless Steel Feedwater
1
Heater Tubes
This standard is issued under the fixed designationA803/A803M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 4. Ordering Information
1.1 This specification covers seamless and welded ferritic 4.1 It is the responsibility of the purchaser to specify all
stainless steel feedwater heater tubes including those bent, if requirements that are necessary for material under this speci-
specified, into the form of U-tubes for application in tubular fication.Suchrequirementsmayinclude,butarenotlimitedto,
feedwater heaters. the following:
4.1.1 Quantity (length or number of pieces),
5
1.2 Thetubingsizescoveredshallbe ⁄8to1in.[15.9to25.4
4.1.2 Material description (seamless or welded),
mm] inclusive outside diameter, and average or minimum wall
4.1.3 Dimensions (outside diameter, wall thickness (mini-
thicknesses of 0.028 in. [0.7 mm] and heavier.
mum or average wall), and length),
1.3 The values stated in either SI units or inch-pound units
4.1.4 Grade (chemical composition) (Table 1), and
are to be regarded separately as standard. Within the text, the
4.1.5 U-bend requirements, if order specifies bending,
SI units are shown in brackets. The values stated in each
U-bend schedules or drawings shall accompany the order.
system may not be exact equivalents; therefore, each system
4.2 Optional Requirements—Purchaser shall specify
shall be used independently of the other. Combining values
whether annealing of the U-bends is required or whether tubes
from the two systems may result in non-conformance with the
are to be hydrotested or air-tested (see 10.6).
standard.
4.3 Supplementary Requirements—Purchaser shall specify
2. Referenced Documents
onthispurchaseorderifmaterialistobeeddy-currenttestedin
2
accordance with Supplementary Requirement S1 or S2, and if
2.1 ASTM Standards:
specialtestreportsarerequired,underSupplementaryRequire-
A480/A480MSpecification for General Requirements for
ment S3, and,
Flat-Rolled Stainless and Heat-Resisting Steel Plate,
Sheet, and Strip
4.4 Any additional special requirements.
A763Practices for Detecting Susceptibility to Intergranular
Attack in Ferritic Stainless Steels
5. General Requirements
A941TerminologyRelatingtoSteel,StainlessSteel,Related
5.1 Material furnished to this specification shall conform to
Alloys, and Ferroalloys
the applicable requirements of the latest published edition of
A1016/A1016MSpecification for General Requirements for
Specification A1016/A1016M unless otherwise provided
Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless
herein.
Steel Tubes
6. Materials and Manufacture
3. Terminology
6.1 Thetubingshallbemanufacturedbyeithertheseamless
3.1 Definitions—For definitions of terms used in this
or welded process.
specification, refer to Terminology A941.
6.2 Seamless Tubing:
6.2.1 Seamless tubing shall be supplied from a cold finish
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
process.Hotfinishingasthefinalsizingprocessisnotallowed.
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
A01.10 on Stainless and Alloy Steel Tubular Products.
6.3 Welded Tubing:
Current edition approved March 1, 2016. Published March 2016. Originally
6.3.1 The tube shall be made from flat-rolled steel by an
approved in 1982. Last previous edition approved in 2012 as A803/A803M–12.
automatic welding process with no addition of filler metal.
DOI: 10.1520/A0803_A0803M-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6.4 Surface contaminants may have detrimental effects on
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
high temperature properties or corrosion resistance of tubing.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. Contamination by copper, lead, mercury, zinc, chlorides, or
*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 ----------------------
A803/A803M−16
TABLE 1 Chemical Requirements
Grade UNS UNS S 43035 UNS UNS S 44626 UNS S 44635 UNS S 44660 UNS UNS UNS S 44400 UNS S 44735
S 40900 TP439 S 44627 TP XM-33 25-4-4 26-3-3 S 44700 S 44800 18-2 29-4C
TP409 TP XM-27 29-4 29-4-2
Element Composition, %
A
C, max 0.08 0.07 0.01 0.06 0.025 0.030 0.010 0.010 0.025 0.030
Mn, max 1.00 1.00 0.40 0.75 1.00 1.00 0.30 0.30 1.00 1.00
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: A803/A803M − 12 A803/A803M − 16
Standard Specification for
Seamless and Welded Ferritic Stainless Steel Feedwater
1
Heater Tubes
This standard is issued under the fixed designation A803/A803M; 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*
1.1 This specification covers seamless and welded ferritic stainless steel feedwater heater tubes including those bent, if
specified, into the form of U-tubes for application in tubular feedwater heaters.
5
1.2 The tubing sizes covered shall be ⁄8 to 1 in. [15.9 to 25.4 mm] inclusive outside diameter, and average or minimum wall
thicknesses of 0.028 in. [0.7 mm] and heavier.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units
are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used
independently of the other. Combining values from the two systems may result in non-conformance with the standard.
2. Referenced Documents
2
2.1 ASTM Standards:
A480/A480M Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
A763 Practices for Detecting Susceptibility to Intergranular Attack in Ferritic Stainless Steels
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel
Tubes
3. Terminology
3.1 Definitions—For definitions of terms used in this specification, refer to Terminology A941.
4. Ordering Information
4.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material under this specification.
Such requirements may include, but are not limited to, the following:
4.1.1 Quantity (length or number of pieces),
4.1.2 Material description (seamless or welded),
4.1.3 Dimensions (outside diameter, wall thickness (minimum or average wall), and length),
4.1.4 Grade (chemical composition) (Table 1), and
4.1.5 U-bend requirements, if order specifies bending, U-bend schedules or drawings shall accompany the order.
4.2 Optional Requirements—Purchaser shall specify whether annealing of the U-bends is required or whether tubes are to be
hydrotested or air-tested (see 10.6).
4.3 Supplementary Requirements—Purchaser shall specify on this purchase order if material is to be eddy-current tested in
accordance with Supplementary Requirement S1 or S2, and if special test reports are required, under Supplementary Requirement
S3, and,
4.4 Any additional special requirements.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.10
on Stainless and Alloy Steel Tubular Products.
Current edition approved March 1, 2012March 1, 2016. Published April 2012March 2016. Originally approved in 1982. Last previous edition approved in 20112012 as
A803/A803M–11.–12. DOI: 10.1520/A0803_A0803M-12.10.1520/A0803_A0803M-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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 ----------------------
A803/A803M − 16
TABLE 1 Chemical Requirements
Grade UNS UNS S 43035 UNS UNS S 44626 UNS S 44635 UNS S 44660 UNS UNS UNS S 44400 UNS S 44735
S 40900 TP439 S 44627 TP XM-33 25-4-4 26-3-3 S 44700 S 44800 18-2 29-4C
TP409 TP XM-27 29-4 29-4-2
Element Composition, %
A
C, max 0.08 0.07 0.01 0.06 0.025 0.030 0.010 0.010 0.025 0.030
Mn, max 1.00 1.00 0.40 0.75 1.00 1.00 0.30 0.30 1.00 1.00
P, max 0.045 0.040 0.02 0.040 0.040 0.040 0.025 0.025 0.040 0.040
S, max 0.030 0.030 0.02 0.020 0.030 0.030 0.020 0.020 0.030 0.030
Si, max 1.00 1.00 0.40 0.75 0.75 1.00 0.20 0.20 1.00 1.00
B
Ni 0.50 max 0.50 max 0.5 max 0.50 max 3.5–4.5 1.0–3.5 0.15 max 2.0–2.5 1.00 max 1.00 max
Cr 10.5– 17.0–19.0 25.0–27.5 25.0–27.0 24.5–26.0 25.0–28.0 28.0–30.0 28.0–3
...