ASTM A511/A511M-12
(Specification)Standard Specification for Seamless Stainless Steel Mechanical Tubing
Standard Specification for Seamless Stainless Steel Mechanical Tubing
ABSTRACT
This specification covers seamless stainless tubing for use in mechanical applications where corrosion-resistant or high-temperature strength is needed. The steel may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required. The tubes shall be made by a seamless process and by either cold working or hot working as specified. Seamless steel tubing is a tubular product made without a welded seam. It is usually manufactured by hot working steel and then cold finishing the hot-worked tubing to produce the desired shape, dimensions and properties All austenitic tubes shall be furnished in the annealed condition. An analysis of each heat of steel shall be made to determine the percentages of the elements specified. If secondary melting processes are employed, the heat analysis shall be obtained from one remelted ingot or the product of one remelted ingot of each primary melt.
SCOPE
1.1 This specification covers seamless stainless tubing for use in mechanical applications where corrosion-resistant or high-temperature strength is needed. The grades covered are listed in Table 1, Table 2, and Table 3.
1.2 This specification covers seamless cold-finished mechanical tubing and seamless hot-finished mechanical tubing in sizes up to 12¾ in. [325 mm] in outside nominal diameter (for round tubing) with wall thicknesses as required.
1.3 Tubes shall be furnished in one of the following shapes, as specified by the purchaser: round, square, rectangular, or special.
1.4 Optional supplementary requirements are provided and when desired, shall be stated in the order.
1.5 The values stated in inch-pound units are to be regarded as the standard. Within the text, the SI units are shown in square brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.
TABLE 1 Chemical Requirements of Austenitic Stainless Steels
Grade
Composition, %
Carbon
Manga-
nese, max
Phos-
pho-
rus,
max
Sul-
fur,
max
Silicon, max
Nickel
Chromium
Molybdenum
Titanium
Columbium plus Tantalum
Selenium
MT 3020.08 to 0.20 2.000.0400.0301.00 8.0–10.017.0–19.0 ............ MT 3030.15 max 2.000.200.15 min1.00 8.0–10.017.0–19.0 ............ MT 303Se0.15 max 2.000.0400.0401.00 8.0–11.017.0–19.0 .........0.12–0.2 MT 3040.08 max2.000.0400.0301.00 8.0–11.018.0–20.0 ............ MT 304L0.035 maxA2.000.040 0.0301.00 8.0–13.018.0–20.0 ............ MT 3050.122.000.0400.0301.0010.0–13.017.0–19.0......... ... MT 309S0.08 max2.000.0400.0301.0012.0–15.022.0–24.0......... ... MT 310S0.08 max2.000.0400.0301.0019.0–22.024.0–26.0......... ... MT 3160.08 max 2.000.0400.0301.0011.0–14.016.0–18.0 2.0–3.0... ...... MT 316L0.035 maxA2.000.0400.0301.00 10.0–15.016.0–18.02.0–3.0......... MT 3170.08 max 2.000.0400.0301.0011.0–14.018.0–20.0 3.0–4.0... ...... MT 3210.08 max 2.000.0400.0301.00 9.0–13.017.0–20.0 ...B ...... MT 3470.08 max 2.000.0400.0301.00 9.0–13.017.0–20.0 ......C...
A For small diameter or thin wall tubing or both, where many drawing passes are required, a maximum of 0.040 % carbon is necessary in grades MT-304L and MT-316L. Small outside diameter tubes are defined as those under a 0.500 in. [12.7 mm] outside diameter and light-wall tubes as those under a 0.049 in. [1.2 mm] average wall thickness (0.044 in. [1.1 mm] min wall thickness).
B The titanium content shall be not less than five times the carbon content and not more than 0.60 %.
C The columbium plus tantalum content shall be not less than ten times the carbon content and not more than 1.00 %.
TABLE 2 Chemical Requirements of Ferritic and Martensitic Stainless Steels Grade
Composition, %
Carbon, max
Manga-
nese,
max
Phos-
phorus,
max
Sulfur,
max
Silicon, max
Nickel
Chromium
Molyb-
denum
Aluminum
Copper
Nitrogen
Seleniu...
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Designation:A511/A511M −12
StandardSpecification for
1
Seamless Stainless Steel Mechanical Tubing
This standard is issued under the fixed designationA511/A511M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* 2.2 Military Standards:
4
MIL-STD-129 Marking for Shipment and Storage
1.1 This specification covers seamless stainless tubing for
MIL-STD-163SteelMillProductsPreparationforShipment
use in mechanical applications where corrosion-resistant or
4
and Storage
high-temperature strength is needed. The grades covered are
2.3 Federal Standard:
listed in Table 1, Table 2, and Table 3.
4
Fed. Std. No. 123Marking for Shipments (CivilAgencies)
1.2 This specification covers seamless cold-finished me-
chanicaltubingandseamlesshot-finishedmechanicaltubingin
3. Ordering Information
3
sizes up to 12 ⁄4 in. [325 mm] in outside nominal diameter (for
3.1 Orders for material under this specification should
round tubing) with wall thicknesses as required.
include the following as required to describe the desired
1.3 Tubes shall be furnished in one of the following shapes,
material adequately:
as specified by the purchaser: round, square, rectangular, or
3.1.1 Quantity (feet, mass, or number of pieces),
special.
3.1.2 Name of material (seamless stainless steel mechanical
tubing),
1.4 Optional supplementary requirements are provided and
3.1.3 Form (round, square, rectangular, special, see Section
when desired, shall be stated in the order.
1),
1.5 The values stated in inch-pound units are to be regarded
3.1.4 Dimensions (round, outside diameter and wall
as the standard. Within the text, the SI units are shown in
thickness, see Section 9; square and rectangular, outside
square brackets.The values stated in each system are not exact
dimensions and wall thickness, see Section 10; other, specify),
equivalents;therefore,eachsystemshallbeusedindependently
3.1.5 Length (specific or random, see 9.3),
of the other.
3.1.6 Manufacture (cold- or hot-finished, see 4.5),
3.1.7 Grade (Section 6),
2. Referenced Documents
3.1.8 Condition (annealed, as cold worked, or with special
2
2.1 ASTM Standards:
heat treatment, controlled microstructural characteristics, or
A370Test Methods and Definitions for Mechanical Testing
other condition as required, see Section 5),
of Steel Products
3.1.9 Surface finish (special pickling, shot blasting, or
A1016/A1016MSpecification for General Requirements for
polishing, as required, see Supplementary Requirement S5),
Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless
3.1.10 Specification designation,
Steel Tubes
3.1.11 Report of ChemicalAnalysis, if required (Sections 7
E59Practice for Sampling Steel and Iron for Determination
and 8),
3
of Chemical Composition (Withdrawn 1996)
3.1.12 Individual supplementary requirements, if required,
3.1.13 End use,
3.1.14 Packaging,
1
3.1.15 Special marking (see 15.2),
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
3.1.16 Special packing (see 16.2), and
A01.10 on Stainless and Alloy Steel Tubular Products.
3.1.17 Special requirements.
Current edition approved March 1, 2012. Published April 2012. Originally
approved in 1964. Last previous edition approved in 2011 as A511/A511M–11.
4. Materials and Manufacture
DOI: 10.1520/A0511_A0511M-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.1 The steel may be made by any process.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3 4
The last approved version of this historical standard is referenced on AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
www.astm.org. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*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 ----------------------
A511/A511M−12
TABLE 1 Chemical Requirements of Austenitic Stainless Steels
Composition, %
Phos- Sul- Columbium
Grade
Manga- pho- fur, Silicon, plus Selenium
Carbon Nickel Chromium Molybdenum Titanium
nese, max rus, max max Tantalum
max
MT 302 0.08 to 0.20 2.00 0.040 0.030 1.00 8.0–10.0 17.0–19.0 . . . .
MT 303 0.15 max 2.00 0.20 0.15 min 1.00 8.0–10.0 17.0–19.0 . . . .
MT 303Se 0.15 max 2.00 0.040
...
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:A511/A511M–11 Designation: A511/A511M – 12
Standard Specification for
1
Seamless Stainless Steel Mechanical Tubing
This standard is issued under the fixed designationA511/A511M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
1.1 This specification covers seamless stainless tubing for use in mechanical applications where corrosion-resistant or
high-temperature strength is needed. The grades covered are listed in Table 1, Table 2, and Table 3.
1.2 This specification covers seamless cold-finished mechanical tubing and seamless hot-finished mechanical tubing in sizes up
3
to 12 ⁄4 in. [325 mm] in outside nominal diameter (for round tubing) with wall thicknesses as required.
1.3 Tubes shall be furnished in one of the following shapes, as specified by the purchaser: round, square, rectangular, or special.
1.4 Optional supplementary requirements are provided and when desired, shall be stated in the order.
1.5 The values stated in inch-pound units are to be regarded as the standard. Within the text, the SI units are shown in square
brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the
other.
2. Referenced Documents
2
2.1 ASTM Standards:
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel
Tubes
E59 Practice for Sampling Steel and Iron for Determination of Chemical Composition
2.2 Military Standards:
3
MIL-STD-129 Marking for Shipment and Storage
3
MIL-STD-163 Steel Mill Products Preparation for Shipment and Storage
2.3 Federal Standard:
3
Fed. Std. No. 123 Marking for Shipments (Civil Agencies)
3. Ordering Information
3.1 Orders for material under this specification should include the following as required to describe the desired material
adequately:
3.1.1 Quantity (feet, mass, or number of pieces),
3.1.2 Name of material (seamless stainless steel mechanical tubing),
3.1.3 Form (round, square, rectangular, special, see Section 1),
3.1.4 Dimensions (round, outside diameter and wall thickness, see Section 9; square and rectangular, outside dimensions and
wall thickness, see Section 10; other, specify),
3.1.5 Length (specific or random, see 9.3),
3.1.6 Manufacture (cold- or hot-finished, see 4.5),
3.1.7 Grade (Section 6),
3.1.8 Condition (annealed, as cold worked, or with special heat treatment, controlled microstructural characteristics, or other
condition as required, see Section 5),
3.1.9 Surface finish (special pickling, shot blasting, or polishing, as required, see Supplementary Requirement S5),
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.10
on Stainless and Alloy Steel Tubular Products .
Current edition approved Oct.March 1, 2011.2012. Published November 2011.April 2012. Originally approved in 1964. Last previous edition approved in 20082011 as
A511/A511M–08.A511/A511M–11. DOI: 10.1520/A0511_A0511M-112.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Withdrawn. The last approved version of this historical standard is referenced on www.astm.org.
3
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*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 ----------------------
A511/A511M – 12
TABLE 1 Chemical Requirements of Austenitic Stainless Steels
Composition, %
Phos- Sul- Columbium
Grade
Manga- pho- fur, Silicon, plus
Carbon Nickel Chromium Molybdenum
Titanium Selenium
nese, max rus, max max Tantalum
max
MT 302 0.08 to 0.20 2.00 0.040 0.030 1.00 8.0–10.0 17.0–19.0 . . . .
MT 303 0.15 max 2.00 0.20 0.15 min 1.00 8.0–10.0 17.0–19.0 . . . .
MT 303Se 0.15 max 2.00
...
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