Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 3:Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel or a tetragonal glass bottle
| 标准号 | 标准名称 | 状态 | 发布日期 | 实施日期 |
|---|---|---|---|---|
| HB 8350-2015(2017) | GH4169螺纹公差带4H6HPD杆MJ螺纹六角头螺栓 | 现行 | 2015-10-10 | 2016-03-01 |
| HB 8365-2013(2017) | 1CR17Ni2镀铜螺纹公差带6E头部1个保险丝孔长螺纹小六角头螺栓 | 现行 | 2013-10-13 | 2014-03-01 |
| GB/T 6188-2017 | 螺栓和螺钉用内六角花形 | 现行 | 2017-12-29 | 2018-04-01 |
| GB/T 342-2017 | 冷拉圆钢丝、方钢丝、六角钢丝尺寸、外形、重量及允许偏差 | 现行 | 2017-11-01 | 2018-07-01 |
| HB 8344-2015(2017) | GH4169螺纹公差带4H6HMJ螺纹小六角头螺钉 | 现行 | 2015-10-10 | 2016-03-01 |
| GB/T 78-2007 | 内六角锥端紧定螺钉 | 现行 | 2007-07-02 | 2007-12-01 |
| GB/T 77-2007 | 内六角平端紧定螺钉 | 现行 | 2007-07-02 | 2007-12-01 |
| GB/T 79-2007 | 内六角圆柱端紧定螺钉 | 现行 | 2007-07-02 | 2007-12-01 |
| GB/T 80-2007 | 内六角凹端紧定螺钉 | 现行 | 2007-07-02 | 2007-12-01 |
| HB 8335-2015(2017) | GH4169镀铜螺纹公差带6E六角头螺钉 | 现行 | 2015-10-10 | 2016-03-01 |
| GB/T 70.4-2015 | 内六角平圆头凸缘螺钉 | 废止 | 2015-12-10 | 2017-01-01 |
| HB 8351-2015(2017) | GH4169螺纹公差带4H6H光杆公差带H6MJ 螺纹六角头螺栓 | 现行 | 2015-10-10 | 2016-03-01 |
| HB 8360-2015(2017) | GH4169螺纹公差带6H光杆公差带H12螺纹带开口销孔长螺纹小六角头螺栓 | 现行 | 2015-10-10 | 2016-03-01 |
| HB 8354-2013(2017) | TC4螺纹公差带4H6H光杆公差带F9MJ加长螺纹六角头螺栓 | 现行 | 2013-10-13 | 2014-03-01 |
| HB 8352-2015(2017) | GH4169镀银螺纹公差带4G6G光杆公差带F9MJ螺纹六角头螺栓 | 现行 | 2015-10-10 | 2016-03-01 |
| GB/T 1231-2024 | 钢结构用高强度大六角头螺栓连接副 | 现行 | 2024-09-29 | 2025-04-01 |
| HB 8348-2013(2017) | 1CR17Ni2螺纹公差带6G头部1个保险丝孔小六角头螺钉 | 现行 | 2013-10-13 | 2014-03-01 |
| GB/T 70.1-2008 | 内六角圆柱头螺钉 | 现行 | 2008-08-25 | 2009-02-01 |