监督产品焊接试板的管理；
焊接工艺评定试板和产品焊接试板，按标准要求都要进行弯曲试验。
According to the standard's requirements, test piece for qualification of welding procedure and for product welding should be carried out various bending test.
本文分析了薄焊接试板弯曲试样失效的原因，并对减少失效的可能性作出了阐述。
The paper discusses the reasons why the welded test sample loses its efficiency and suggests how to reduce possibilities of such failure.
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