GB/T 9942-1988
High speed tool steel forged bars with large section--Technical requirements (English Version)

Standard No.

GB/T 9942-1988

Language

Chinese, Available in English version

Release Date

1988

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2008-11

Replace By

GB/T 9943-2008

Latest

GB/T 9943-2008

Scope

This standard specifies the size, shape, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of high-speed tool steel large-section forged steel. This standard applies to forging round steel for high-speed tools with a diameter greater than 120-250mm for the manufacture of large tools.

GB/T 9942-1988 history

• 2008 GB/T 9943-2008 High-speed tool steels
• 1988 GB/T 9942-1988 High speed tool steel forged bars with large section--Technical requirements

GB/T 9942-1988 High speed tool steel forged bars with large section--Technical requirements was changed to GB/T 9943-2008 High-speed tool steels.