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ASTM A1012-10(2021)

(Specification)

Standard Specification for Seamless and Welded Ferritic, Austenitic and Duplex Alloy Steel Condenser and Heat Exchanger Tubes With Integral Fins

Standard Specification for Seamless and Welded Ferritic, Austenitic and Duplex Alloy Steel Condenser and Heat Exchanger Tubes With Integral Fins

ABSTRACT
This specification describes seamless and welded ferritic, austenitic and duplex alloy steel tubing on which the external or internal surface, or both, has been modified by a cold forming process to produce and integral enhanced surface for improved heat transfer. The integrally enhanced (finned) tubes shall be manufactured from seamless, welded, or welded/cold worked plain tubes that conform to the specified requirements. The tube shall conform to the requirements for tensile properties prescribed in the governing plain tube specification. Pneumatic tests, eddy-current tests, air underwater pressure tests, pressure differential tests, and hydrostatic tests shall be made in accordance with the requirements specified.
SCOPE
1.1 This specification describes seamless and welded ferritic, austenitic and duplex alloy steel tubing on which the external or internal surface, or both, has been modified by a cold forming process to produce an integral enhanced surface for improved heat transfer. The tubes are used in surface condensers, evaporators, heat exchangers and similar heat transfer apparatus in unfinned end diameters up to and including 1 in. (25.4 mm). Boiler tubes are excluded.  
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.  
1.3 The following precautionary statement pertains to the test method portion only, Section 12, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
28-Feb-2021
ICS
77.140.01 - Iron and steel products in general
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.10 - Stainless and Alloy Steel Tubular Products
Current Stage
Ref Project

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ASTM A1012-10(2021) - Standard Specification for Seamless and Welded Ferritic, Austenitic and Duplex Alloy Steel Condenser and Heat Exchanger Tubes With Integral FinsASTM A1012-10(2021) - Standard Specification for Seamless and Welded Ferritic, Austenitic and Duplex Alloy Steel Condenser and Heat Exchanger Tubes With Integral Fins
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ASTM A1012-10(2021) - Standard Specification for Seamless and Welded Ferritic, Austenitic and Duplex Alloy Steel Condenser and Heat Exchanger Tubes With Integral Fins
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:A1012 −10 (Reapproved 2021)
Standard Specification for
Seamless and Welded Ferritic, Austenitic and Duplex Alloy
Steel Condenser and Heat Exchanger Tubes With Integral
1
Fins
This standard is issued under the fixed designation A1012; 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 tenitic Alloy-Steel Boiler, Superheater, and Heat-
Exchanger Tubes
1.1 This specification describes seamless and welded
A249/A249M Specification for Welded Austenitic Steel
ferritic, austenitic and duplex alloy steel tubing on which the
Boiler, Superheater, Heat-Exchanger, and Condenser
external or internal surface, or both, has been modified by a
Tubes
cold forming process to produce an integral enhanced surface
A268/A268M Specification for Seamless and Welded Fer-
for improved heat transfer. The tubes are used in surface
ritic and Martensitic Stainless Steel Tubing for General
condensers, evaporators, heat exchangers and similar heat
Service
transfer apparatus in unfinned end diameters up to and includ-
A269 Specification for Seamless and Welded Austenitic
ing 1 in. (25.4 mm). Boiler tubes are excluded.
Stainless Steel Tubing for General Service
1.2 The values stated in inch-pound units are to be regarded
A688/A688M Specification for Seamless and Welded Aus-
as the standard. The values given in parentheses are for
tenitic Stainless Steel Feedwater Heater Tubes
information only.
A789/A789M Specification for Seamless and Welded
1.3 The following precautionary statement pertains to the Ferritic/Austenitic Stainless Steel Tubing for General
test method portion only, Section 12, of this specification: This
Service
standard does not purport to address all of the safety concerns, A803/A803M Specification for Seamless and Welded Fer-
if any, associated with its use. It is the responsibility of the user
ritic Stainless Steel Feedwater Heater Tubes
of this standard to establish appropriate safety, health, and A941 TerminologyRelatingtoSteel,StainlessSteel,Related
environmental practices and determine the applicability of Alloys, and Ferroalloys
regulatory limitations prior to use.
A1016/A1016M Specification for General Requirements for
1.4 This international standard was developed in accor- Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless
dance with internationally recognized principles on standard-
Steel Tubes
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- 3. Terminology
mendations issued by the World Trade Organization Technical
3.1 Definitions—For definition of general terms used in this
Barriers to Trade (TBT) Committee.
specification, refer to Specification A941.
3.2 Symbols (Integral Fin Tube Nomenclature):
2. Referenced Documents
2
2.1 ASTM Standards:
D = outside diameter of unenhanced section
A213/A213M Specification for Seamless Ferritic and Aus-
D = inside diameter of unenhanced section
i
d = root diameter of enhanced section outside of tube
r
d = outside diameter of enhanced section
o
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
d = inside diameter of enhanced section
i
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
W = wall thickness of unenhanced section
A01.10 on Stainless and Alloy Steel Tubular Products.
W = wall thickness of enhanced section
f
Current edition approved March 1, 2021. Published April 2021. Originally
F = height of fin—enhanced section outside of tube
approved in 2000. Last previous edition approved in 2015 as A1012 – 10 (2015). h
F = mean fin thickness—enhanced section outside of tube
DOI: 10.1520/A1012-10R21.
m
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
P = mean rib pitch—enhanced section inside of tube
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
R = height of rib—enhanced section inside of tube
h
Standards volume information, refer to the standard’s Document Summary page on
H = rib helix angle—enhanced section inside of tube
a
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 ----------------------
A1012−10 (2021)
T = transition taper
t
4. Ordering Information
4.1 It is the responsibility of the purchaser to specify all
requirements that are necessa
...

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4.1 The Form and Style Manual provides mandatory requirements and recommended practices for the preparation and content of ASTM specifications. In order to promote consistency in the style and content of product specifications under its jurisdiction, Committee A01 recognizes the need to provide a supplementary document pertaining to the types of products and materials covered by those specifications.  
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SCOPE
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1.4 Not addressed are minor composition modifications that a specific ASTM subcommittee may find necessary to accommodate effects of normal processing or to enhance fabricability by the producer or user, or both.  
1.5 Also not generally addressed (except where established by ASTM subcommittees) is a complete rationalization of all limits, especially where such would conflict with long-standing practices and is not justified by special technical effect.  
1.6 This guide does not address discontinued or formerly standard steel grades. A listing of such steel grades can be found in SAE J1249. Also excluded from this guide are cast materials and welding filler metals.  
1.7 In 1995, the AISI made the decision to transfer the responsibility of maintaining its numbering system to the Society of Automotive Engineers (SAE) for carbon and alloy steels (SAE J403 and SAE J404) and to ASTM International for stainless steels (Guide A959 and others). To inform users of this important event, historical information is included in the appendix of this standard.  
1.8 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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