| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB 4192-1984 |
Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuum tubes |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 37211.2-2018 |
Methods for chemical analysis of germanium metal—Part 2:Determination of aluminium,iron,copper,nickle,lead,cadmium,magnesium,cobalt,indium,zinc content—Inductively coupled plasma mass spectrometry method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YS/T 365-1994 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| DL/T 818-2002 |
Technical guide for carbide phase analysis of low alloy heat resistant steels |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 30857-2014 |
Standard test method for thickness and thickness variation on sapphire substrates |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 2522-1988 |
Magnetic sheet and strip-Methods of measurement of interlamination resistance and lamination factor and coat adhesiveness |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 15078-1994 |
Measuring method for contact resistance of precious metal electrical contact materials |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 33763-2017 |
Test method for dislocation density of sapphire single crystal |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 3656-1983 |
Measurement methods of magnetic properties of electrical iron |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 3851-1983 |
Hardmetals; Determination of transverse rupture strength |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 466-2003 |
Test method for thermal softening resistance of copper plate,strip and foil—Hardness-testing method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 35306-2017 |
Test method for carbon and oxygen content of single crystal silicon—Low temperature fourier transform infrared spectrometry |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 4060-2018 |
Test method for boron content in polycrystalline silicon by vacuum zone-melting method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 35309-2017 |
Practice for evaluation of granular polysilicon by melter-zoner and spectroscopies |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 11346-1989 |
Standard radiographs for inspection grading of gas porosity(round) in aluminum alloy casting |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 5252-2020 |
Test method for dislocation density of monocrystal germanium |
 (USD) |
via email in
1-3 business day
|
TO BE VALID
|
|
| GB/T 13012-1991 |
Solid steels－Methods of measurement of the d.c. magnetic properties |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 3849-1983 |
Hardmetals; Rockwell hardness(scale A) test method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YS/T 438.2-2001 |
Methods for physical performance determination of sandy alumina—Determination of the attrition index |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 37211.1-2018 |
Methods for chemical analysis of germanium metal—Part 1:Determination of arsenic content—Arsenic stain method |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
