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NATIONAL STANDARD
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COMPANY STANDARD
| Number |
Type |
Status |
Name |
Rlease time |
Implementation time |
| 1 |
Company standard |
Promulgated
|
Q/YT 202-2016 Round blank of seamless stainless steel tubes and pipes |
2016-02-20 |
2016-03-10 |
| 2 |
Company standard |
Promulgated
|
Q/YT 203-2016 Round blank of seamless heat-resisting stainless steel tubes for high pressure boiler |
2016-02-20 |
2016-03-10 |
| 3 |
Company standard |
Promulgated
|
Q/YT 204-2016 Round blank of seamless austenitic-ferritic(duplex)stainless steel tubes and pipes |
2016-02-20 |
2016-03-10 |
| 4 |
Company standard |
Promulgated
|
Q/YT 205-2016 Round blank of seamless super austenitic stainless steel tubes and pipes |
2016-02-20 |
2016-03-10 |
| 5 |
Company standard |
Promulgated
|
Q/YT 206-2016 Round blank of seamless Nickel base and Nickel-Iron base alloy tubes and pipes |
2016-02-20 |
2016-03-10 |
| 6 |
Company standard |
Promulgated
|
Q/YT 101-2014 Stainless Steel Wire Rods For Steel Wirs |
2014-01-22 |
2014-03-01 |
| 7 |
Company standard |
Promulgated
|
Q/YT 102-2014 Stainless Steel Wire Rods For Cold Heading And Cold Forging |
2014-01-22 |
2014-03-01 |
| 8 |
Company standard |
Promulgated
|
Q/YT 103-2014 Stainless Steel Wire Rods For Welding |
2014-01-22 |
2014-03-01 |
| 9 |
Company standard |
Promulgated
|
Q/YT 201-2016 Round blank of seamless stainless steel tubes and pipes for general purpose |
2016-02-20 |
2016-03-10 |
