GB/T 2527-1989
Hard metal(carbide) inserts for mining and oil-field rock bits (English Version)

Standard No.

GB/T 2527-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

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

Status

Be replaced 2008-12

Replace By

GB/T 2527-2008

Latest

GB/T 2527-2008

Scope

This standard specifies the product classification, technical requirements, inspection rules and test methods, marking, packaging, transportation and storage of cemented carbide teeth. This standard applies to cemented carbide teeth (blanks) for roller cone bits and down-the-hole drill bits used in mine excavation and oil extraction.

GB/T 2527-1989 history

• 2008 GB/T 2527-2008 Cemented carbide inserts for mining and oil-field bits
• 1989 GB/T 2527-1989 Hard metal(carbide) inserts for mining and oil-field rock bits