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Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
NORMA vydaná dňa 1.9.2018
Označenie normy: ASTM A789/A789M-18
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.9.2018
Kód tovaru: NS-902638
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
duplex stainless steel, ferritic/austenitic stainless steel, seamless steel tube, stainless steel tube, steel tube, welded steel tube,, ICS Number Code 23.040.40 (Metal fittings)
1. Scope | ||||||||
1.1 This specification2 covers grades of average wall thickness, or, if specified on the order, minimum wall thickness, of stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Within the text, the SI units are shown in brackets. The inch-pound units shall apply unless the M designation of this specification is specified in the order. 1.3 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. |
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2. Referenced Documents | ||||||||
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