Standard No.:	JB/T 7991-2014
Chinese Name:	超硬磨料制品 电镀制品代号和标记
English Name:
Professional Classification:	JB Professional Standard - Machinery
Issued by:
Issued on:	2014-05-06
Implemented on:	2014-10-01
Status:	VALID
Replace:	JB/T7991.1-2001 Symbol and designation for electroplated superabrasive products
Language:	English
File Format:	PDF
Word Count:
Price(USD):	please email coc@codeofchina.com for quotation
Delivery:	via email in

1 Scope

This standard specifies the symbol and designation for electroplated inner cutting disc, electroplated needle file and electroplated grinding head.
This standard is applicable to the metallic bond superabrasive products, electroplated inner circle cutting disc, electroplated needle file and electroplated grinding head.

2 Normative References

The following documents for the application of this document are essential. For dated reference, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 6408 Super Abrasive - Cubic Boron Nitride
GB/T 23536 Superabrasive - Types of Synthetic Diamond

3 Shape and Symbol