This standard specifies the size, shape, weight, technical requirements, test methods, inspection rules, Encasement, marking and mass certificate of refractory and weathering structural steels. It is suitable for the manufacture of hot-rolled steel sheets, strips and hot-rolled sections with fire resistance performance and atmospheric corrosion resistance requirements, and is used in the manufacture of general structures and building structures.
| Status | Active |
|---|---|
| CCS | H46 | ICS | 77.140.01 |
| Release Date | 2022-03-09 00:00:00 | Implementation Date | 2022-10-01 00:00:00 |