Valid

JB/T 7293.4-2025Internal combustion engine - Bolts and nuts - Part 4: Connecting rod bolt - Magnetic Particle Testing (English PDF)

内燃机螺栓与螺母第4部分：连杆螺栓磁粉检测

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Issued by

Ministry of Industry and Information Technology

Level / Type

Industry · Recommended

Issue date

May 9, 2025

Implementation date

November 1, 2025

Scope

JB/T 7293.4-2025 is the English-translated version of 内燃机螺栓与螺母第4部分：连杆螺栓磁粉检测.

JB/T 7293.4-2025 is the Chinese industry standard "Internal combustion engine - Bolts and nuts - Part 4: Connecting rod bolt - Magnetic Particle Testing". It was issued on May 9, 2025 by the Ministry of Industry and Information Technology, and took effect on November 1, 2025. It is in force and replaces JB/T 7293.4-2010.

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Document preview — JB/T 7293.4-2025

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology

Document data

1 Document data

Sector: Machinery (industry standard).

Issuing body: Ministry of Industry and Information Technology.

Date of issue: 2025-05-09.

Date of implementation: 2025-11-01.

Status: valid, replaces JB/T 7293.4-2010.

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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 7293.4

Edition	Title	Revision	Status
JB/T 7293.4-2025	Internal combustion engine - Bolts and nuts - Part 4: Connecting rod bolt - Magnetic Particle Testing	—	Valid
JB/T 7293.4-2010	Internal combustion engines. Bolts and nuts. Part 4: Connecting rod bolts. Magnetic particle testing	—	Obsolete

This page sells the current edition, JB/T 7293.4-2025. Earlier editions are listed for reference only.

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