| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 12385-1990 |
Test method for sealing characteristics of gaskets for pipe flanges |
$90.00 |
via email in 1~3 business day |
abolished2008-11-01,2008-11-1,1991-7-1 |
|
| GB/T 12385-2008 |
Standard test method for sealability of gaskets for pipe flanges |
$80.00 |
via email in 1~3 business day |
to be abolished2025-10-01,2025-10-1,2008-11-1 |
|
| GB/T 12459-1990 |
Steel butt - welding seamless pipe fittings |
$360.00 |
via email in 1~5 business day |
abolished2005-08-01,2005-8-1,1991-5-1 |
|
| GB/T 12459-2017 |
Steel buttwelding pipe fittings—Types and parameter |
$300.00 |
immediately |
valid,,2017-9-1 |
|
| GB/T 12621-1990 |
Test method for stress relaxation of gaskets for pipe flanges |
$135.00 |
via email in 1~3 business day |
abolished2008-11-01,2008-11-1,1991-10-1 |
|
| GB/T 12621-2008 |
Standard test method for stress relaxation of gaskets for pipe flanges |
$210.00 |
via email in 1~3 business day |
valid,,2008-11-1 |
|
| GB/T 12622-1990 |
Test method for compressibility and recorery of gaskets for pipe flanges |
$75.00 |
via email in 1~3 business day |
abolished2008-11-01,2008-11-1,1991-10-1 |
|
| GB/T 12622-2008 |
Standard test method for compressibility and recovery of gaskets for pipe flanges |
$140.00 |
via email in 1~3 business day |
valid,,2008-11-1 |
|
| GB/T 12721-1991 |
Rubber hoses－Determination of abrasion resistance of the outer cover |
$224.00 |
via email in 1~3 business day |
abolished2008-06-01,2008-6-1,1992-1-1 |
|
| GB/T 12721-2007 |
Rubber hoses—Determination of abrasion resistance of the outer cover |
$100.00 |
via email in 1~3 business day |
valid,,2008-6-1 |
|
| GB/T 12722-1991 |
Rubber and plastics hose assemblies－Flexing combined with hydraulic impulse test (half omega test) |
$184.00 |
via email in 1~3 business day |
abolished2008-10-01,2008-10-1,1992-1-1 |
|
| GB/T 12722-2008 |
Rubber and plastics hose assemblies - Flexing combined with hydraulic impulse test（half-omega test） |
$100.00 |
via email in 1~3 business day |
valid,,2008-10-1 |
|
| GB/T 12770-1991 |
Welded stainless steel tubes for machine structure |
$150.00 |
via email in 1~3 business day |
abolished2003-02-01,2003-2-1,1991-12-1 |
|
| GB/T 12771-2000 |
Welded stainless steel pipes for liquid delivery |
$180.00 |
via email in 1~3 business day |
abolished2008-11-01,2008-11-1,2000-1-2 |
|
| GB/T 12772-1999 |
Cast iron pipes and fittings with flexible joint sewerage |
$490.00 |
via email in 1~5 business day |
abolished2009-05-01,2009-5-1,2000-8-1 |
|
| GB/T 12785-1991 |
Test methods for submersible motor-pumps |
$405.00 |
via email in 1~5 business day |
abolished2002-08-01,2002-8-1,1991-12-1 |
|
| GB/T 13004-2016 |
Periodic inspection and evaluation of seamless steel gas cylinders |
$120.00 |
via email in 1~3 business day |
valid,,2016-9-1 |
|
| GB/T 13005-2011 |
Terminology of gas cylinders |
$350.00 |
immediately |
valid,,2012-7-1 |
|
| GB/T 13006-1991 |
NPSH for centrifugal, mixed flow and axial pumps |
$180.00 |
via email in 1~3 business day |
abolished2014-10-01,2014-10-1,1992-1-1 |
|
| GB/T 13006-2013 |
NPSH for centrifugal,mixed flow and axial flow pumps |
$210.00 |
via email in 1~3 business day |
valid,,2014-10-1 |
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