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This guide covers standard specification for welded stainless steel tubing for mechanical applications where appearance, mechanical properties, or corrosion resistance is needed. The tubes shall be made from flat-rolled steel by an automatic welding process without the addition of filler metal. Tubes shall be furnished in one of the following shapes - round, square, rectangular, or special. Heat analysis shall be performed wherein several grades of steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, titanium, columbium, and tantalum.
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.
1.1 This specification covers welded austenitic, ferritic, and austenitic-ferritic duplex stainless steel mechanical tubing intended for use in ornamental, structural, exhaust, and other applications where appearance, mechanical properties, or corrosion resistance is needed. The grades covered are listed in .
1.2 This specification covers as-welded or cold-reduced mechanical tubing in sizes to 16 in. (406.4 mm) outside dimension, and in wall thicknesses 0.020 in. (0.51 mm) and over.
1.3 Tubes shall be furnished in one of the following shapes as specified by the purchaser: round, square, rectangular, or special.
1.4 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.
1.5 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A790/A790M Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
Military StandardsMIL-STD-129 Marking for Shipment and Storage Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS. MIL-STD-163 Steel Mill Products Preparation for Shipment and Storage
Federal StandardFed. Std. No. 123 Marking for Shipments (Civil Agencies)
ICS Number Code 23.040.10 (Iron and steel pipes); 23.040.40 (Metal fittings)
UNSPSC Code 31351209(Stainless steel welded or brazed tube assemblies)
ASTM A554-15a, Standard Specification for Welded Stainless Steel Mechanical Tubing, ASTM International, West Conshohocken, PA, 2015, www.astm.orgBack to Top