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DL/T 1422-2015The gradational standard of microstructure aging for 18Cr-8Ni serials austenitic stainless steel boiler tubes (English PDF)

18Cr-8Ni系列奥氏体不锈钢锅炉管显微组织老化评级标准

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Issued by

National Energy Administration

Level / Type

National · Recommended

Issue date

April 2, 2015

Implementation date

September 1, 2015

Scope

DL/T 1422-2015 is the English-translated version of 18Cr-8Ni系列奥氏体不锈钢锅炉管显微组织老化评级标准.

DL/T 1422-2015 — This standard specifies the rating method for microstructure aging of 18Cr-8Ni series austenitic stainless steel boiler tubes for thermal power plants.

This standard applies to 18Cr-8Ni series of austenitic stainless steel manufacturing superheater and reheater tube in high temperature service after the degree of organization to assess the degree of aging.

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Document preview — DL/T 1422-2015

National Standard of the People's Republic of China

ICS: 27.100
Classification: F 24

Issued by: National Energy Administration

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the rating method for microstructure aging of 18Cr-8Ni series austenitic stainless steel boiler tubes for thermal power plants. This standard applies to 18Cr-8Ni series of austenitic stainless steel manufacturing superheater and reheater tube in high temperature service after the degree of organization to assess the degree of aging. 18Cr-8Ni series of austenitic stainless steel, including 07Cr19Ni10, 07Cr19Ni11Ti, 07Cr18Ni11Nb, 08Cr18Ni11NbFG Chinese brands of steel and chemical composition of these steel with the same or similar national steel of other countries.

Document data

International classification (ICS): 27.100.

Chinese classification (CCS): F24.

Estimated length of the Chinese original: 19,170 words.

Standards quoted by this document

GB 5310; GB/T 13298; DL/T 884

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

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