ASTM A 269/A269M : 2015 : REV A : R2019

Name: ASTM A 269/A269M : 2015 : REV A : R2019
Brand: ASTM
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Superseded

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Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

Available format(s)

Hardcopy , PDF

Superseded date

14-03-2024

Language(s)

English

Published date

19-09-2019

Publisher

American Society for Testing and Materials

1.1This specification covers grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and low- or high-temperature service, as designated in Table 1.

Grade	Composition, %
Grade	TP XM-29	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .
UNS Designation^A	S24000	S31254	S31266	S31725	S31726	S31727	S32053	S30600^A	S32654	S34565	S35045	N08367	N08925	N08926	N08904
Carbon	0.08	0.020	0.030 max	0.035	0.035	0.030	0.030	0.018	0.020	0.030	0.06– 0.10	0.030	0.020	0.020	0.020
Manganese	11.5– 14.5	1.00	2.00–4.00	2.00	2.00	1.00	1.00	2.0	2.0– 4.0	5.0– 7.0	1.50	2.00	1.00	2.00	2.00
Phosphorus	0.060	0.030	0.035	0.045	0.045	0.030	0.030	0.020	0.030	0.030	0.045	0.040	0.045	0.030	0.040
Sulfur.	0.030	0.015	0.020	0.030	0.030	0.030	0.010	0.020	0.005	0.010	0.015	0.030	0.030	0.010	0.030
Silicon	1.00	0.80	1.00	1.00	1.00	1.00	1.00	3.7–4.3	0.50	1.00	1.00	1.00	0.50	0.50	1.00
Nickel	2.3– 3.7	17.5– 18.5	21.0–24.0	13.5– 17.5	14.5– 17.5	14.5– 16.5	24.0– 26.0	14.0– 15.5	21.0– 23.0	16.0– 18.0	32.0– 37.0	23.5– 25.5	24.0–26.0	24.0– 26.0	23.0– 28.0
Chromium	17.0– 19.0	19.5– 20.5	23.0–25.0	18.0– 20.0	17.0– 20.0	17.5– 19.0	22.0– 24.0	17.0– 18.5	24.0– 25.0	23.0– 25.0	25.0– 29.0	20.0– 22.0	19.0–21.0	19.0– 21.0	19.0– 23.0
Molybdenum	...	6.0– 6.5	5.2–6.2	4.0– 5.0	4.0– 5.0	3.8– 4.5	5.0– 6.0	0.20 max	7.0– 8.0	4.0– 5.0		6.0– 7.0	6.0–7.0	6.0– 7.0	4.0– 5.0
Titanium	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	0.15– 0.60	. . .	. . .	. . .	. . .
Columbium	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .	0.10 max	. . .	. . .	. . .	. . .	. . .
Tantalum	. . .	. . .	. . .	. . .	. . .		. . .		. . .	. . .	. . .	. . .	. . .	. . .	. . .
Nitrogen^F	0.20– 0.40	0.18– 0.25	0.35–0.60	0.20 max	0.10– 0.20	0.15– 0.21	0.17– 0.22		0.45– 0.55	0.40– 0.60	. . .	0.18– 0.25	0.10–0.20	0.15– 0.25	0.10 max
Vanadium	. . .			. . .	. . .		. . .		. . .		. . .	. . .	. . .	. . .	. . .
Copper	. . .	0.50– 1.00	1.00–2.50	. . .	. . .	2.8– 4.0	. . .	0.50 max	0.30– 0.60	. . .	0.75	0.75 max	0.80–1.50	0.50– 1.50	1.00– 2.00
Others	. . .	. . .	W 1.50–2.50	. . .	. . .	. . .	. . .	. . .	. . .	. . .	Al 0.15– 0.60	. . .	. . .	. . .	. . .

1.2The tubing sizes and thicknesses usually furnished to this specification are ¹/₄in. [6.4 mm] in inside diameter and larger and 0.020 in. [0.51 mm] in nominal wall-thickness and heavier.

1.3Mechanical property requirements do not apply to tubing smaller than ¹/₈in. [3.2 mm] in inside diameter or 0.015 in. [0.38 mm] in thickness.

Note 1:Additional testing requirements may apply for use in ASME B31.3 applications.

1.4Optional supplementary requirements are provided and, when one or more of these are desired, each shall be so stated in the order.

1.5The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, 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. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.

1.6This 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.

Committee	A 01
DocumentType	Standard
Pages	7
PublisherName	American Society for Testing and Materials
Status	Superseded
SupersededBy	ASTM A 269/A269M : 2022
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