HB5022-2023 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
HB 5022-2023	RFQ	ASK	3 days	(Classification and evaluation of metallographic structure of nitrided and nitrocarburized aviation steel parts)	Valid

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Basic data

Standard ID: HB 5022-2023 (HB5022-2023)
Description (Translated English): (Classification and evaluation of metallographic structure of nitrided and nitrocarburized aviation steel parts)
Sector / Industry: Aviation Industry Standard
Classification of Chinese Standard: V10
Date of Issue: 2023-12-20
Date of Implementation: 2024-07-01
Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China
Summary: This standard specifies the sample and preparation requirements for nitriding and nitrocarburizing metallographic structure inspection of aviation steel parts, as well as the grading and evaluation of metallographic structures. This standard is applicable to aviation steel parts specified in HB/Z 79 and HB/Z 20023 and 13Cr4Mo4Ni4VA (M50NiL) complex alloy steel, Cr11/Cr12 martensitic heat-strength stainless steel, martensitic precipitation hardening stainless steel and 18Ni series martensite Inspection of the metallographic structure of nitriding and nitrocarburizing of bulk aging steel parts. Other grades of materials and their products may be implemented as a reference when applicable.

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