JB/T 5175-2006
Metallographic examination of diesel fuel injection pump and assemblies of nozzle and holder (English Version)

Standard No.

JB/T 5175-2006

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Machinery

Status

Be replaced 2021-01

Replace By

JB/T 5175-2020

Latest

JB/T 5175-2020

Replace

JB/T 5175-1991

Scope

This standard specifies the metallographic structure of the camshaft, the main parts of the fuel injection pump and the fuel injector assembly of medium and small power diesel engines, and the finished fuel injector body. This standard is applicable to the metallographic examination of carburized quenching and tempering camshafts made of 20, 20Cr and other steels, and the metallographic examination of high-frequency (or flame) quenching and tempering of injector bodies made of 55, 60, ZG55, ZG60 and other steels. Phase inspection.

JB/T 5175-2006 history

• 2020 JB/T 5175-2020 Metallographic inspection of main parts of diesel engine fuel injection pump and injector assembly
• 2007 JB/T 5175-2006 Metallographic examination of diesel fuel injection pump and assemblies of nozzle and holder
• 1991 JB/T 5175-1991 Metallographic inspection of main parts of diesel fuel injection pump and injector assembly