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模具鋼百科
工模具鋼新國(guó)標(biāo)GB/T1299-2014
來(lái)源:國(guó)家標(biāo)準(zhǔn)網(wǎng) | 作者:東啟特鋼 | 發(fā)布時(shí)間: 2019-07-31 | 5881 次瀏覽 | 分享到:
此標(biāo)準(zhǔn)介紹了工模具鋼探傷標(biāo)準(zhǔn)，低倍，脫碳，成分含量等
國(guó)標(biāo)gb/t1299-2014
標(biāo)準(zhǔn)目錄
1、范圍...............................................................................1
2、規(guī)范性引用文件..............................................................1
3、分類(lèi)...............................................................................2
4、訂貨內(nèi)容........................................................................3
5、尺寸、外形、重量..........................................................3
 5.1  熱軋鋼棒及盤(pán)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(jī)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(hào)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(duì)磁導(dǎo)率..................................................................23
6.10 超聲檢測(cè).....................................................................24
6.11 表面質(zhì)量.....................................................................25
6.12 特殊要求.....................................................................25
7、實(shí)驗(yàn)方法.........................................................................25
8、檢驗(yàn)規(guī)則.........................................................................26
8.1  檢查與驗(yàn)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(yàn)和判定規(guī)則............................................................27
9、包裝、標(biāo)志和質(zhì)量證明書(shū).................................................27