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2022

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04

Standards chaired or participated in since 2010

Author:


Standards chaired or participated in since 2010

Hosted or participated in the development of standards since 2010  

 

serial number

standard name

standard type

Standard

Promulgation time

1

Metallographic inspection of ductile iron

National standard

GB/T9441-2021

December 31, 2021

2

Rare earth weathering structural steel

Group standard

T/CSM12-2020

June 11, 2020

3

Chemical analysis method of rare earth magnesium silicon alloy  total rare earth, silicon, total magnesium and magnesium oxide

Industry Standard

JB/T4394-2016

January 15, 2016

4

Rare earth magnesium ferrosilicon alloy

National standard

GB/T4138-2015

September 11, 2015

5

Nodularizing agent for ductile iron

National standard

GB/T28702-2012

September 3, 2012

6

Yttrium based rare earth nodulizer

local standard

DB36/T686-2012

July 24, 2012

7

Chemical analysis method of yttrium-based rare earth nodulizer - Determination of yttrium by inductively coupled plasma emission spectrometry

local standard

DB36/T687-2012

July 24, 2012