JG/T576-2021······1

1 范圍······4

2 規范性引用文件······4

3 術語和定義······4

4 分類、規格和標記······4

4.1 分類······4

4.2 規格······5

4.3 標記······5

5 一般規定······6

6 要求······7

6.1 外觀和尺寸偏差······7

6.2 物理性能······9

7 試驗方法······10

7.1 試驗條件······10

7.2 外觀······11

7.3 固定釘······11

7.4 墊片······13

7.5 套管······14

7.6 壓條······16

8 檢驗規則······17

8.1 檢驗分類······17

8.2 檢驗時機和檢驗項目······17

8.3 組批······18

8.4 抽樣······18

8.5 判定規則······18

9 標志、包裝、運輸和貯存······19

9.1 標志······19

9.2 包裝······19

9.3 運輸和貯存······19