JB/T 7709-2007
Inspection method of microstructure, hardeness and depth of boronized layer (English Version)

Standard No.

JB/T 7709-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Machinery

Latest

JB/T 7709-2007

Replace

JB/T 7709-1995

Scope

This standard specifies the detection methods for the microstructure, hardness and depth of the boronized layer. This standard is applicable to boronized layers of carbon steel, alloy steel, cast iron and other materials, but is not applicable to boronized layers of refractory metals and alloys.

JB/T 7709-2007 Referenced Document

• GB/T 7232 Metal Heat Treatment Terminology*， 2023-08-06 Update
• GB/T 7990 Vitreous and porcelain enamels.Determination of resistance to impact*， 2013-12-31 Update
• JB/T 5069 Metallographic examination method of diffusion metallized layer of steel parts
• JB/T 9206 Technology and quality inspection for hot-dipped aluminum coatings on iron or steel

JB/T 7709-2007 history

• 2007 JB/T 7709-2007 Inspection method of microstructure, hardeness and depth of boronized layer
• 1995 JB/T 7709-1995 Detection method of microstructure, hardness and layer depth of boronizing layer