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不锈钢管件不符合项的发现及处理

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正在建造的试验装置循环系统共有20件φ406 mm×8 mm 90°弯头,材料为316不锈钢,是由两块厚度8 mm的轧制成半圆弧形的不锈钢板拼焊而成。在安装过程中,连续发现这些弯头的3个相关联的不符合项。本文分析了产生这3个不符合项的原因,并阐述了处理过程。
Unqualified Occurrences Finding and Dealing for Stainless Pipe Connection
There are 20 bends of 90°,φ406 mm×8 mm in the circulate system of some experiment units.Each bend is made by welding two plates of 316 stainless steel,which are rolled to semicircular-arc shape.During in the construction,three correlative unqualified occurrences were found about these bends.The cause of occurrences was analyzed and the dealing course modifying the shape for the third occurrence was described.

unqualified occurrencebendstress

杨大为、叶林、黄洪文、段世林

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中国工程物理研究院,核物理与化学研究所,四川,绵阳,621900

不符合项 弯头 应力

2009

原子能科学技术
中国原子能科学研究院

原子能科学技术

CSTPCDCSCD北大核心EI
影响因子:0.372
ISSN:1000-6931
年,卷(期):2009.43(z2)