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Norma ASTM A872/A872M-21 1.5.2021 náhled

Doplňující informace

ASTM A872/A872M-21

Standard Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments

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NORMA vydána dne 1.5.2021

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Informace o normě:

Označení normy: ASTM A872/A872M-21
Datum vydání normy: 1.5.2021
Kód zboží: NS-1025616
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM A872/A872M-21 :

This specification covers centrifugally cast ferritic/austenitic steel pipe intended for general corrosive service. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures. The pipe shall be made by centrifugal casting process and furnished in the specified heat-treatment condition. The pipe shall also be machined. The grades shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, nitrogen, copper, and cobalt. Heat analysis and product analysis shall be done. Tensile requirements shall conform to the specified tensile strength, yield strength, and elongation; and hardness requirements shall conform to the specified Brinell and Rockwell C values. Tension test shall also be made.

Keywords:

casting, centrifugal casting, corrosive service, ferritic/austenitic stainless steel, pipe,, ICS Number Code 23.040.10 (Iron and steel pipes)

Doplňující informace

1. Scope

1.1?This specification covers centrifugally cast ferritic/austenitic steel pipe intended for general corrosive service. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.

1.2?Optional supplementary requirements are provided when additional testing may be required.

1.3?The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of each other. Combining values from the two systems may result in nonconformance with the specification.

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

E186-20	Standard Reference Radiographs for Heavy-Walled (2 to 412 in. (50.8 to 114 mm)) Steel Castings
	Adjunct Reference Radiographs--Transparencies in Ringbinders, 2 Volumes Available from ASTM International Headquarters. Request for Vol I and for Vol II.
	Adjunct Reference Radiographs--Transparencies in Ringbinders, 3 Volumes Available from ASTM International Headquarters. Request for Vol I, for Vol II, and for Vol III.
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
A999/A999M-23	Standard Specification for General Requirements for Alloy and Stainless Steel Pipe
A781/A781M-21	Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use
A488/A488M-18e2	Standard Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel (Includes all amendments and changes 2/12/2020).
Section IX	Welding Qualifications Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Two Park Ave., New York, NY 10016-5990, http://www.asme.org.
E446-20	Standard Reference Radiographs for Steel Castings Up to 2 in. (50.8 mm) in Thickness
E340-23	Standard Practice for Macroetching Metals and Alloys
E94-04	Standard Guide for Radiographic Examination
E165-09	Standard Practice for Liquid Penetrant Examination for General Industry
	Adjunct Reference Radiographs--Transparencies in Ringbinders, 3 Volumes Available from ASTM International Headquarters. Request for Vol I, for Vol II, and for Vol III.
E280-21	Standard Reference Radiographs for Heavy-Walled (412 to 12 in. (114 to 305 mm)) Steel Castings

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