標(biāo)準(zhǔn)編號(hào):	JB/T 7927-1999
中文名稱:	閥門鑄鋼件 外觀質(zhì)量要求
英文名稱:	Valve cast steel visual quality requirements
行業(yè)分類:	JB    機(jī)械行業(yè)標(biāo)準(zhǔn)
發(fā)布機(jī)構(gòu):	中國(guó)機(jī)械工業(yè)聯(lián)合會(huì)
發(fā)布日期:	1999-7-12
實(shí)施日期:	2000-1-1
標(biāo)準(zhǔn)狀態(tài):	superseded
被新標(biāo)準(zhǔn)替代:	JB/T 7927-2014 閥門鑄鋼件外觀質(zhì)量要求 GB 12231-1989 閥門鑄鋼件外觀質(zhì)量要求
被替代日期:	2014-11-1
替代舊標(biāo)準(zhǔn):	GB 12231-1989 閥門鑄鋼件外觀質(zhì)量要求
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	2000 字
翻譯價(jià)格(元):	140.0
交付時(shí)間:	付款后 1 個(gè)工作日

1 Scope This standard specifies surface defect types and features of valve, flange, pipe fittings and other pressed cast steel. This standard is applicable to visual inspection and acceptance for surface quality of valve, flange, pipe fittings and other pressed cast steel. 2 Evaluation of Surface Quality After cast steel cleaning and repairing and before painting, appearance inspection shall be carried out. Comparison and evaluation shall be carried out for defects on the surface picture according to pictures specified in this standard (see Chapter 4).

Contents Foreword I 1 Scope 2 Evaluation of Surface Quality 3 Explanation of the Rating Pictures 4 Rating Pictures