| 1. | Washers for steel structures - part 1 : product grade c 钢结构用垫圈.第1部分: c级产品 |
| 2. | Washers for steel structures - part 2 : product grade a 钢结构用垫圈.第2部分: a级产品 |
| 3. | High strength plain washers for steel structures 钢结构用高强度垫圈 |
| 4. | Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures 钢结构用扭剪型高强度螺栓连接副 |
| 5. | Technical requirement for sets of torshear type high strength bolt hexagon nut and plain washer for steel structures 钢结构用扭剪型高强度螺栓连接副技术条件 |
| 6. | Specifications of high strength bolts with large hexagon head , large hexagon nuts , plain washers for steel structures 钢结构用高强度大六角头螺栓大六角螺母垫圈技术条件 |
| 7. | Specifications of high strength bolts with large hexa - gon head , large hexagon nuts , plain washers for steel structures 钢结构用高强度大六角头螺拴大六角螺母垫圈技术条件 |