(1) A full penetration joint has weld metal throughout the entire cross section of the weld joint.
(2) A partial penetration joint has an unfused area and the weld does not completely penetrate the joint. The rating of the joint is based on the percentage of weld metal depth to the total joint; i. e., a 50 percent partial penetration joint would have weld metal halfway through the joint.
deep penetration是partially penetration 的一种，定义如下：
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（也可能根据焊评有所不同）
另外，注意一点，现在在新的CSR for bulk carrier，在floor和IB的连接，已经要求是FP或DP。
5.9.3.1. Where an approved automatic deep penetration procedure is used and quality control facilitates are working to a gap between members of 1mm or less, the weld factors given in Tables 6.5.1, 6.5.2and (d), 6.5.4, 6.5.5 may be reduced by 15 percent. Reductions of up to 20 percent, but not more than the fillet weld leg size of 1.5mm, will be accepted provided that the Shipyard is able to consistently meet the following requirements: (a). the welding is performed to a suitable process selection confirmed by welding procedure tests covering both minimum and maximum root gaps
(b). the penetration at the root is at least the same amount as the reduction into the members being attached
(c). demonstrate that an established quality control system is in place.
对于，没有开坡口，仅仅是采用了深溶焊条的，是不是可以有折减？
不知道，只知道Where an approved automatic deep penetration procedure is used and quality control facilitates are working to a gap between members of 1mm or less, the weld factors given in Tables 6.5.1, 6.5.2and (d), 6.5.4, 6.5.5 may be reduced by 15 percent.
发表于 2007-12-11 09:39
提升卡
变色卡
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