ASTM A511 / A511M - 11 standard specification for seamless stainless steel mechanical tubing

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Source: ASTM International

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.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers seamless stainless tubing for use in mechanical applications 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 seamless hot-finished mechanical tubing in sizes up to 12¾ in. [325 mm] in outside nominal diameter (for round tubing) with wall thicknesses as required.

1.3 Tubes shall be furnished in one of the following shapes, as specified by the purchaser: round, square, rectangular, or special.

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.

2. Referenced Documents (purchase separately)

ASTM Standards
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
E59 Practice for Sampling Steel and Iron for Determination of Chemical Composition

Military Standards
MIL-STD-163 Steel Mill Products Preparation for Shipment and Storage

Federal Standard
Fed.Std.No.123 Marking for Shipments (Civil Agencies)

Index Terms

austenitic stainless steel; mechanical tubing; seamless steel tube; stainless steel tube; steel tube; Corrosive service applications--tube (steel); High-temperature service applications--steel tube; Mechanical tubing--specifications; Seamless steel tube--specifications; Stainless steel tube--specifications;

ICS Code

ICS Number Code 23.040.10 (Iron and steel pipes); 23.040.40 (Metal fittings)

DOI: 10.1520/A0511_A0511M-11

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ASTM A511 / A511M - 11 standard specification for seamless stainless steel mechanical tubing

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