5.5 機加工交貨鋼材的尺寸、外形及允許偏差.....................7
5.6 重量............................................................................8
6、技術要求........................................................................8
6.1 牌號及化學成分...........................................................8
6.2 冶煉方法......................................................................15
6.3 交貨狀態......................................................................15
6.4 交貨硬度......................................................................15
6.5 低倍組織......................................................................20
6.6 顯微組織......................................................................21
6.7 非金屬夾雜物...............................................................22
6.8 脫碳層.........................................................................23
6.9 相對磁導率..................................................................23
6.10 超聲檢測.....................................................................24
6.11 表面質量.....................................................................25
6.12 特殊要求.....................................................................25
7、實驗方法.........................................................................25
8、檢驗規則.........................................................................26
8.1 檢查與驗收...................................................................26
8.2 組批規則......................................................................26
8.3 取樣數量和取樣部位.....................................................26
8.4 復驗和判定規則............................................................27
9、包裝、標志和質量證明書.................................................27
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