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JB/T 6729-2025Internal combustion engine - Magnetic particle testing of crankshaft and camshaft (English PDF)

内燃机曲轴、凸轮轴磁粉检测

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Issued by

Ministry of Industry and Information Technology of the People's Republic of China

Level / Type

Industry · Recommended

Issue date

July 2, 2025

Implementation date

February 1, 2026

Scope

JB/T 6729-2025 is the English-translated version of 内燃机曲轴、凸轮轴磁粉检测.

JB/T 6729-2025 is the Chinese industry standard "Internal combustion engine - Magnetic particle testing of crankshaft and camshaft". It was issued on July 2, 2025 by the Ministry of Industry and Information Technology of the People's Republic of China, and took effect on February 1, 2026. It is in force and replaces JB/T 6729-2007.

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Document preview — JB/T 6729-2025

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Document data

1 Document data

Sector: Machinery (industry standard).

Issuing body: Ministry of Industry and Information Technology of the People's Republic of China.

Date of issue: 2025-07-02.

Date of implementation: 2026-02-01.

Status: valid, replaces JB/T 6729-2007.

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

Referenced standards

Cited by

Editions of JB/T 6729

Edition	Title	Revision	Status
JB/T 6729-2025	Internal combustion engine - Magnetic particle testing of crankshaft and camshaft	—	Valid
JB/T 6729-2007	Internal combustion engines - Magnetic particle inspection for crankshafts and camshafts	—	Obsolete
JB/T 6729-1993	Crankshaft, Camshaft magnetic particle inspection	—	Obsolete

This page sells the current edition, JB/T 6729-2025. Earlier editions are listed for reference only.

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