Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar (Includes all amendments and changes 11/10/2021).
NORMA vydaná dňa 1.11.2021
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Označenie normy: ASTM A511/A511M-21a
Dátum vydania normy: 1.11.2021
Počet strán: 13
Približná hmotnosť: 39 g (0.09 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
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.
Keywords:
austenitic stainless steel, duplex stainless steel, ferritic/austenitic stainless steel, hollow bar, mechanical tubing, seamless steel tube, stainless steel tube, steel tube ,, ICS Number Code 23.040.10 (Iron and steel pipes),23.040.40 (Metal fittings)