ASTM A554-08
(Specification)Standard Specification for Welded Stainless Steel Mechanical Tubing
Standard Specification for Welded Stainless Steel Mechanical Tubing
ABSTRACT
This guide covers standard specification for welded stainless steel tubing for mechanical applications where appearance, mechanical properties, or corrosion resistance is needed. The tubes shall be made from flat-rolled steel by an automatic welding process without the addition of filler metal. Tubes shall be furnished in one of the following shapes - round, square, rectangular, or special. Heat analysis shall be performed wherein several grades of steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, titanium, columbium, and tantalum.
SCOPE
1.1 This specification covers welded stainless steel tubing for mechanical applications where appearance, mechanical properties, or corrosion resistance is needed. The grades covered are listed in Table 1.
1.2 This specification covers as-welded or cold-reduced mechanical tubing in sizes to 16 in. (406.4 mm) outside dimension, and in wall thicknesses 0.020 in. (0.51 mm) and over.
1.3 Tubes shall be furnished in one of the following shapes as specified by the purchaser: round, square, rectangular, or special.
1.4 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.
1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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Designation: A 554 – 08
Standard Specification for
1
Welded Stainless Steel Mechanical Tubing
This standard is issued under the fixed designation A 554; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* MIL-STD-163 Steel Mill Products Preparation for Ship-
4
ment and Storage
1.1 This specification covers welded stainless steel tubing
2.3 Federal Standard:
for mechanical applications where appearance, mechanical
4
Fed. Std. No. 123 Marking for Shipments (CivilAgencies)
properties, or corrosion resistance is needed. The grades
covered are listed in Table 1.
3. Ordering Information
1.2 This specification covers as-welded or cold-reduced
3.1 Orders for material under this specification should
mechanical tubing in sizes to 16 in. (406.4 mm) outside
include the following, as required, to describe the desired
dimension, and in wall thicknesses 0.020 in. (0.51 mm) and
material adequately:
over.
3.1.1 Quantity (feet, mass, or number of pieces),
1.3 Tubes shall be furnished in one of the following shapes
3.1.2 Name of material (welded stainless steel mechanical
as specified by the purchaser: round, square, rectangular, or
tubing),
special.
3.1.3 Form (round, square, rectangular, special, see 1.3),
1.4 Supplementary requirements of an optional nature are
3.1.4 Dimensions:
provided and when desired shall be so stated in the order.
3.1.4.1 Round-outside diameter and wall thickness for all
1.5 The values stated in inch-pound units are to be regarded
conditions (Section 8). Alternatively, for cold-reduced condi-
as the standard. The values given in parentheses are for
tion, outside diameter and inside diameter or inside diameter
information only.
and wall dimensions may be specified,
2. Referenced Documents 3.1.4.2 Square and rectangular outside dimensions and wall
2
thickness (see 9.1),
2.1 ASTM Standards:
3.1.4.3 Special (to be specified),
A 370 Test Methods and Definitions for MechanicalTesting
3.1.5 Length (mill lengths, cut lengths, or multiple lengths
of Steel Products
(see 8.3)),
E30 Test Methods for Chemical Analysis of Steel, Cast
3 3.1.6 Grade (Table 1),
Iron, Open-Hearth Iron, and Wrought Iron
3.1.7 Condition (see 6.1),
E59 PracticeforSamplingSteelandIronforDetermination
3 3.1.8 Inside diameter bead condition (see 6.2),
of Chemical Composition
3.1.9 Surface finish (see Section 11),
2.2 Military Standards:
4 3.1.10 Report of chemical analysis, if required (Section 7),
MIL-STD-129 Marking for Shipment and Storage
3.1.11 Individual supplementary requirements, if required,
3.1.12 End use,
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
3.1.13 Specification designation,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
3.1.14 Special requirements,
A01.10 on Stainless and Alloy Steel Tubular Products.
3.1.15 Special marking (Section 14), and
Current edition approved March 1, 2008. Published March 2008. Originally
approved in 1965. Last previous edition approved in 2003 as A 554 – 03.
3.1.16 Special packing (Section 15).
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4. Process
Standards volume information, refer to the standard’s Document Summary page on
4.1 The steel may be made by any process.
the ASTM website.
3
Withdrawn.
4.2 If a specific type of melting is required by the purchaser,
4
AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
it shall be stated on the purchase order.
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 ----------------------
A 554–08
TABLE 1 Chemical Requirements
Composition, %
Carbon, Manga- Phos- Sulfur, Silicon, Nickel Chromium Molybdenum Titanium Columbium
Grade
max nese, phorus, max max + Tantalum
max max
Austenitic
MT-301 0.15 2.00 0.040 0.030 1.00 6.0–8.0 16.0–18.0 . . .
MT-302 0.15 2.00 0.040 0.030 1.00 8.0–10.0 17.0–19.0 . . .
MT-304 0.08 2.00 0.040 0.030 1.00 8.0–11.0 18.0–20.0 . . .
A
MT-304L 0.035 2.00 0.040 0.030 1.00 8.0–13.0 18.0–20.0 . . .
MT-305 0.12 2.00 0.040 0.030 1.00 10.0–13.0 17.0–19.0 . . .
MT-309S 0.08 2.00 0.040 0.030 1.00 12.0–15.0 22.0–24.0 . . . . .
B
MT-309S-Cb 0.08 2.00 0.040 0.030 1.00 12.0–15.0 22.0–24.0 . .
MT-310S 0.08 2.00 0.040
...
This document is not anASTM standard and is intended only to provide the user of anASTM 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: A 554 – 08
Standard Specification for
1
Welded Stainless Steel Mechanical Tubing
This standard is issued under the fixed designation A 554; 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 welded stainless steel tubing for mechanical applications where appearance, mechanical
properties, or corrosion resistance is needed. The grades covered are listed in Table 1.
1.2 This specification covers as-welded or cold-reduced mechanical tubing in sizes to 16 in. (406.4 mm) outside dimension, and
in wall thicknesses 0.020 in. (0.51 mm) and over.
1.3 Tubes shall be furnished in one of the following shapes as specified by the purchaser: round, square, rectangular, or special.
1.4 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.
1.5 The values stated in inch-pound units are to be regarded as the standard.The values given in parentheses are for information
only.
2. Referenced Documents
2
2.1 ASTM Standards:
A 370 Test Methods and Definitions for Mechanical Testing of Steel Products
3
E 30 Test Methods for Chemical Analysis of Steel, Cast Iron, Open-Hearth Iron, and Wrought Iron
3
E 59 Practice for Sampling Steel and Iron for Determination of Chemical Composition
2.2 Military Standards:
4
MIL-STD-129 Marking for Shipment and Storage
4
MIL-STD-163 Steel Mill Products Preparation for Shipment and Storage
2.3 Federal Standard:
4
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 (welded stainless steel mechanical tubing),
3.1.3 Form (round, square, rectangular, special, see 1.3),
3.1.4 Dimensions:
3.1.4.1 Round-outside diameter and wall thickness for all conditions (Section 8). Alternatively, for cold-reduced condition,
outside diameter and inside diameter or inside diameter and wall dimensions may be specified,
3.1.4.2 Square and rectangular outside dimensions and wall thickness (see 9.1),
3.1.4.3 Special (to be specified),
3.1.5 Length (mill lengths, cut lengths, or multiple lengths (see 8.3)),
3.1.6 Grade (Table 1),
3.1.7 Condition (see 6.1),
3.1.8 Inside diameter bead condition (see 6.2),
3.1.9 Surface finish (see Section 11),
3.1.10 Report of chemical analysis, if required (Section 7),
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 March 1, 2008. Published March 2008. Originally approved in 1965. Last previous edition approved in 2003 as A 554 – 03.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For AnnualBookofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Withdrawn.
4
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 ----------------------
A 554–08
TABLE 1 Chemical Requirements
Composition, %
Carbon, Manga- Phos- Sulfur, Silicon, Nickel Chromium Molybdenum Titanium Columbium
Grade
max nese, phorus, max max + Tantalum
max max
Austenitic
MT-301 0.15 2.00 0.040 0.030 1.00 6.0–8.0 16.0–18.0 . . .
MT-302 0.15 2.00 0.040 0.030 1.00 8.0–10.0 17.0–19.0 . . .
MT-304 0.08 2.00 0.040 0.030 1.00 8.0–11.0 18.0–20.0 . . .
A
MT-304L 0.035 2.00 0.040 0.030 1.00 8.0–13.0 18.0–20.0 . . .
MT-305 0.12 2.00 0.040 0.030 1.00 10.0–13.0 17.0–19.0 . . .
MT-309S 0.08 2.00 0.040 0.030 1.00 12.0–15.0 22.0–24.0 . . . . .
B
MT-309S-Cb 0.08 2.00 0.040 0.030 1.00 12.0–15.0 22.0–24.0 . .
MT-310S 0.08 2.00 0.040 0.030 1.00 19.0–22.0 24.0–26.0 . . .
MT-316 0.08 2.00 0.040 0.030 1.00 10.0–14.0 16.
...
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