ASTM B653 / B653M - 11(2020)
Standard Specification for Seamless and Welded Zirconium and Zirconium Alloy Welding Fittings
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Abstract
This specification covers fittings, factory made from three grades of zirconium and zirconium alloys. The term welding fittings applies to butt-welding parts such as 45 and 90° elbows, 180° returns, caps, tees, reducers, lap-joint stub ends, and other types. The fittings are furnished in three grades as follows: Grade R60702 or PZ 2 which is unalloyed zirconium, Grade R60704 or PZ4 which is zirconium-tin, and Grade R60705 or PZ5 which is zirconium-niobium. Forging, forming, or shaping operations may be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of these operations. The forming procedure shall be so applied that it will not produce injurious defects in the fittings. Filler metal, when used, shall be the same grade as the base metal. The material shall conform to the requirements as to chemical composition and tensile properties specified.
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 fittings, factory made from three grades of zirconium and zirconium alloys. The term welding fittings applies to butt-welding parts such as 45 and 90° elbows, 180° returns, caps, tees, reducers, lap-joint stub ends, and other types.
1.2 The values stated in either inch-pound units or SI units are to be regarded separately as the standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
B493 Specification for Zirconium and Zirconium Alloy Forgings
B523/B523M Specification for Seamless and Welded Zirconium and Zirconium Alloy Tubes
B550/B550M Specification for Zirconium and Zirconium Alloy Bar and Wire
B551/B551M Specification for Zirconium and Zirconium Alloy Strip, Sheet, and Plate
B614 Practice for Descaling and Cleaning Zirconium and Zirconium Alloy Surfaces
B658/B658M Specification for Seamless and Welded Zirconium and Zirconium Alloy Pipe
ICS Code
ICS Number Code 77.150.99 (Other products of non-ferrous metals)
UNSPSC Code
UNSPSC Code 40180000(Tubes tubing and tube fittings); 11101711(Non ferrous alloy)
Referencing This Standard
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DOI: 10.1520/B0653_B0653M-11R20
Citation Format
ASTM B653 / B653M-11(2020), Standard Specification for Seamless and Welded Zirconium and Zirconium Alloy Welding Fittings, ASTM International, West Conshohocken, PA, 2020, www.astm.org
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