JGT251-2017······1

1 范圍······4

2 規(guī)范性引用文件······4

3 術(shù)語和定義······5

4 分類、代號及標(biāo)記······7

5 材料和配件······8

6 要求······8

7 試驗方法······12

8 檢驗規(guī)則······12

9 標(biāo)志、包裝、運輸和貯存······13