標(biāo)準(zhǔn)編號(hào):	CB/T 3177-1994
中文名稱(chēng):	船舶鋼焊縫射線照相和超聲波檢查規(guī)則
英文名稱(chēng):	Rules for Radiograph and Ultrasonic Inspection of Ship Steel Welds
中標(biāo)分類(lèi):	U06    船舶工藝
行業(yè)分類(lèi):	CB    船舶行業(yè)標(biāo)準(zhǔn)
ICS分類(lèi):	47.020.01 47.020.01    造船和海上建筑通用標(biāo)準(zhǔn) 47.020.01
發(fā)布機(jī)構(gòu):	中國(guó)船舶工業(yè)總公司
發(fā)布日期:	1994-02-01
實(shí)施日期:	1993-2-1
標(biāo)準(zhǔn)狀態(tài):	valid
替代舊標(biāo)準(zhǔn):	CB 3177-1983 民用船舶鋼焊縫射線照相和超聲波檢查規(guī)則
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	6000 字
翻譯價(jià)格(元):	360.0
交付時(shí)間:	付款后 1 個(gè)工作日

1 Subject content and application scope This standard specifies the basic requirements for radiographic and ultrasonic inspection of welding seams on ship steel structures. This standard is applicable to the inspection of full penetration welds of ship hull, frame, ship pressure vessels and pipe systems. 2 Normative references CB/T 3558 Radiographic technology and quality grading for steel welding seams on ship CB/T 3559 Manual ultrasonic inspection technology and quality grading for steel welding seams on ship 3 Weld acceptance level There are four acceptance levels according to the types, structures and position of ship products, as shown in the following table. ... ... 4 Inspection quantity 4.1 Marine cargo ships 4.1.1 The number of radiographs (number of inspection sections), N, of the strength deck and shell plate within the midship of 0.6L shall be calculated from Formula (1). The inspection quantity of butt welds at other parts shall be agreed between the manufacturer and the ship surveyor, and is generally not greater than 0.1 N.

1 Subject content and application scope 2 Normative references 3 Weld acceptance level 4 Inspection quantity 5 Inspection area (section) 6 Determination of inspection method 7 NDT operator 8 NDT equipment 9 NDT process and acceptance 10 Repair and reinspection of non-conforming welds 11 First pass yield 12 Confirmation and review of crack detection results 13 Documents and reports Annex A Crack detection report (Informative) Annex B Summary table (Informative) Additional explanation: