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08
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 |
2023-01-19
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