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模具鋼百科

工模具鋼新國標GB/T1299-2014

來源:國家標準網(wǎng) | 作者:東啟特鋼 | 發(fā)布時間: 2019-07-31 | 5966 次瀏覽 | 分享到:

此標準介紹了工模具鋼探傷標準，低倍，脫碳，成分含量等

標準目錄

1、范圍...............................................................................1

2、規(guī)范性引用文件..............................................................1

3、分類...............................................................................2

4、訂貨內(nèi)容........................................................................3

5、尺寸、外形、重量..........................................................3

5.1 熱軋鋼棒及盤條的尺寸、外形及允許偏差.....................3

5.2 鍛制鋼棒的尺寸、外形及允許偏差...............................6

5.3 冷拉鋼棒的尺寸、外形及允許偏差...............................7

5.4 銀亮鋼棒的尺寸、外形及允許偏差...............................7

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(shù)要求........................................................................8

6.1 牌號及化學(xué)成分...........................................................8

6.2 冶煉方法......................................................................15

6.3 交貨狀態(tài)......................................................................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(dǎo)率..................................................................23

6.10 超聲檢測.....................................................................24

6.11 表面質(zhì)量.....................................................................25

6.12 特殊要求.....................................................................25

7、實驗方法.........................................................................25

8、檢驗規(guī)則.........................................................................26

8.1 檢查與驗收...................................................................26

8.2 組批規(guī)則......................................................................26

8.3 取樣數(shù)量和取樣部位.....................................................26

8.4 復(fù)驗和判定規(guī)則............................................................27

9、包裝、標志和質(zhì)量證明書.................................................27

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