ASTM-A632 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service

ASTM-A632 - 2004 R14 EDITION - CURRENT
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The specification covers grades of stainless steel tubing for general corrosion-resisting and low or high-temperature service. The tubes shall be cold finished and shall be made by the seamless or welded process. All material shall be furnished in the heat-treated condition. The heat-treatment procedure shall consist of heating the material and quenching in water or rapidly cooling by other means. Tension tests, flaring tests, hydrostatic tests, air underwater pressure tests, and nondestructive electric tests shall be performed in accordance to the specified requirements.

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$42.00        

Scope

1.1 This specification covers grades of stainless steel tubing in sizes under 1/2 down to 0.050 in. (12.7 to 1.27 mm) in outside diameter and wall thicknesses less than 0.065 in. down to 0.005 in. (1.65 to 0.13 mm) for general corrosion-resisting and low- or high-temperature service, as designated in Table 1.

Note 1: The grades of austenitic stainless steel tubing furnished in accordance with this specification have been found suitable for low-temperature service down to −325°F (−200°C) in which Charpy notched-bar impact values of 15 ft·lbf (20 J), minimum, are required and these grades need not be impact tested.

(A) New designation established in accordance with Practice E527 and SAE J 1086, Practice for Numbering Metals and Alloys (UNS).
(B) For seamless TP316L tubes, the silicon maximum shall be 1.00 %.
(C) For welded TP 316 tubes, the nickel range shall be 10.0–14.0 %.
(D) Grade TP 321 shall have a titanium content of not less than five times the carbon content and not more than 0.60 %.
(E) Grades TP 347 and TP 348 shall have a columbium plus tantalum content of not less than ten times the carbon content and not more than 1.0 %.

1.2 Optional supplementary requirements are provided and, when desired, shall be so stated in the order.

1.3 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.

Keywords

austenitic stainless steel; seamless tube; small diameter; stainless steel tube; steel tube; welded steel tube; ICS Number Code 23.040.10 (Iron and steel pipes); 23.040.40 (Metal fittings)

To find similar documents by ASTM Volume:

01.01 (Steel--Piping, Tubing, Fittings)

To find similar documents by classification:

23.040.10 (Iron and steel pipes Steel pipes and tubes for specific use, see 77.140.75)

23.040.40 (Metal fittings)

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Document Number

ASTM-A632-04(2014)

Revision Level

2004 R14 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Oct. 15, 2014

Document Type

Specification

Page Count

4 pages

Committee Number

A01.10