ASTM-A511 › Historical Revision Information
Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar
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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 or as hollow bar for use in the production of hollow components such as, but not limited to nozzles, reducers, and couplings by machining 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 hollow bar and seamless hot-finished mechanical tubing and hollow bar in sizes up to 123/4 in. [325 mm] in outside nominal diameter (for round tubing) with wall thicknesses or inside diameters as required.
1.3 Tubes for mechanical applications shall be furnished in one of the following shapes, as specified by the purchaser: round, square, rectangular, or special. Tubes to be used as hollow bar shall be furnished in round shape.
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.
Keywords
austenitic stainless steel; duplex stainless steel; ferritic/austenitic stainless steel; hollow bar; mechanical tubing; seamless steel tube; stainless steel tube; steel tube ;
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)
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Document Number
ASTM-A511/A511M-16
Revision Level
2016 EDITION
Status
Superseded
Modification Type
Revision with Title Change
Publication Date
May 15, 2016
Document Type
Specification
Page Count
13 pages
Committee Number
A01.10