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

ASTM - ASTM International

ASTM A269/A269M-24

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Year: 2024

Abstract: This specification covers nominal-wall-thickness, seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. All material shall be furnished in the heat-treated condition. The steel shall conform to the chemical composition requirements. Different mechanical test requirements that includes, flaring test, flange test, hardness test, and reverse flattening test are presented. Also, each tube shall be subjected to the non-destructive electric test or the hydrostatic test. Finally the hardness requirements for different grades of tubes are highlighted.

URI: https://yse.yabesh.ir/std/handle/yse/342211

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

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contributor author	ASTM - ASTM International
date accessioned	2025-09-30T18:05:07Z
date available	2025-09-30T18:05:07Z
date copyright	2024
date issued	2024
identifier other	a0269_a0269m-24.pdf
identifier uri	https://yse.yabesh.ir/std/handle/yse/342211
description abstract	This specification covers nominal-wall-thickness, seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. All material shall be furnished in the heat-treated condition. The steel shall conform to the chemical composition requirements. Different mechanical test requirements that includes, flaring test, flange test, hardness test, and reverse flattening test are presented. Also, each tube shall be subjected to the non-destructive electric test or the hydrostatic test. Finally the hardness requirements for different grades of tubes are highlighted.
language	English
title	Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service	en
title	ASTM A269/A269M-24	num
type	standard
status	Active
tree	ASTM - ASTM International:;2024
contenttype	fulltext
scope	1.1 This 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, % TP XM-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UNS DesignationA S24000 S31254 S31266 S31725 S31726 S31727 S32053 S30600A S32654 S34565 S35045 S35030 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 0.05–0.10 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 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 0.030 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 0.015 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 0.50–2.0 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 22.5– 27.5 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 18.5–22.5 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 . . . 0.25–0.75 . . . . . . . . . . . . Tantalum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NitrogenF 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 . . . 0.05–0.15 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 2.5–3.5 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 . . . . . . . . . . . . . . . 1.2 The tubing sizes and thicknesses usually furnished to this specification are 1/4 in. [6.4 mm] in inside diameter and larger and 0.020 in. [0.51 mm] in nominal wall-thickness and heavier. 1.3 Mechanical property requirements do not apply to tubing smaller than 1/8 in. [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. 1.4 Optional supplementary requirements are provided and, when one or more of these are desired, each shall be so stated in the order. 1.5 The 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. 1.6 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.
identifier DOI	10.1520/A0269_A0269M-24