Technical Standard

NATIONAL STANDARD

Number	Type	Status	Name	Rlease time	Implementation time
1	National standard(participate)	Promulgated	GB/T4226-2009不锈钢冷加工钢棒	2009-10-30	2010-05-01
2	National standard(participate)	Promulgated	GB/T4240-2009不锈钢丝	2009-10-30	2010-05-01
3	National standard(participate)	Promulgated	GB/T4232-2009冷顶锻用不锈钢丝	2009-10-30	2010-05-01
4	National standard(participate)	Promulgated	GB/T24588-2009不锈弹簧钢丝	2009-10-30	2010-05-01
5	National standard(participate)	Promulgated	GB/T14976-2012液体输送用不锈钢无缝钢管	2012-05-01	2013-02-01
6	National standard(participate)	Promulgated	GB/T14975-2012结构用不锈钢无缝钢管	2012-11-05	2013-05-01
7	National standard(participate)	Promulgated	GB/T30059-2013热交换器用耐蚀合金无缝管	2013-12-17	2014-09-01
8	National standard(participate)	Promulgated	GB/T30073-2013核电站热交换器用奥氏体不锈钢无缝钢管	2013-12-17	2014-09-01
9	National standard(participate)	Promulgated	GB 13296-2013锅炉、热交换器用不锈钢无缝钢管	2013-09-18	2014-07-01
10	National standard(participate)	Promulgated	GB 24512.3-2014 核电站用无缝钢管第3部分:不锈钢无缝钢管	2014-06-24	2015-04-01
11	National standard(Preside)	Promulgated	GB/T 31303-2014奥氏体-铁素体型双相不锈钢棒	2014-12-05	2015-09-01
12	National standard(participate)	Formulating	GB5310 高压锅炉用无缝钢管
13	National standard(participate)	Formulating	石油化工加氢装置工业炉用不锈钢无缝钢管
14	National standard(Preside)	Formulating	尿素级不锈钢棒

PS: Name with underlined can be downloaded!

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