GB/T 9971-1988
Pure iron for raw material (English Version)

Standard No.

GB/T 9971-1988

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 2004-09

Replace By

GB/T 9971-2004

Latest

GB/T 9971-2017

Scope

This standard stipulates the product classification, size, shape, technical requirements, test methods, inspection rules, packaging marks and quality certificates of raw pure iron. This standard applies to raw material pure iron for precision alloys, electrical alloys and powder metallurgy.

GB/T 9971-1988 history

• 2017 GB/T 9971-2017 Pure iron raw material
• 2004 GB/T 9971-2004 Pure iron for raw material
• 1988 GB/T 9971-1988 Pure iron for raw material