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发表于 2014-11-28 23:40:46
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问:45mm 厚的 ASME 产品,焊缝因 RT 设备检测能力有限,现准备用可记录 UT 检测代替,可否?
答:可以。依据如下(粗红体字):
ASME BPVC Section VIII, Division 1, 2013
UW-51 RADIOGRAPHIC EXAMINATION OF WELDED JOINTS
(a) All welded joints to be radiographed shall be examined
in accordance with Article 2 of Section V except as specified
below;
(1) A complete set of radiographs and records, as described
in Article 2 of Section V, for each vessel or vessel part shall be
retained by the Manufacturer, as follows:
- - - - - -
(4) As an alternative to the radiographic examination
requirements above, all welds in material 1/4 in. (6 mm) and
greater in thickness may be examined using the ultrasonic
(UT) method per the requirements of 7.5.5 of Section VIII,
Division 2. |
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