GB/T 9451-1988 Replaced National standards

GB/T 9451-1988 Determination of total or effective thickness of thin surface hardened layers of steel parts

Publish Date: 1988-06-24 Implement Date: 1989-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 9451-1988

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Heat treatment

ICS Name: Heat treatment

Publish Date: 1988-06-24

Implement Date: 1989-03-01

Publisher: National Standards Bureau

Technical Committee: Beijing Electromechanical Research Institute of the National Machinery Industry Commission

Pages: 8 pages

Development Information

Word Count: 9 Thousand words Pages: 8 pages

Superseded by the following standards

GB/T 9451-2005 Determination of total or effective thickness of thin surface hardened layers of steel parts

Adopt standards

ISO 4970-79

Related Standards

GB/T 12603-1990 Replaced

GB/T 12603-1990 Classification and designation on metal heat treatment

Publish Date: 1990-12-18

GB/T 13324-1991 Replaced

GB/T 13324-1991 Terminology of heat treatment installation

Publish Date: 1991-12-13

GB 15735-1995 Replaced

GB 15735-1995 Requirements for the safety and health in production process of metal heat treatment

Publish Date: 1995-09-26

GB/T 7232-1999 Replaced

GB/T 7232-1999 Terminology of metal heat treatment

Publish Date: 1999-09-03

GB/T 18177-2000 Replaced

GB/T 18177-2000 Gas nitriding of steel parts

Publish Date: 2000-08-28

GB/T 8121-2002 Replaced

GB/T 8121-2002 The terminology of technological materials for heat treatment

Publish Date: 2002-04-16