异形无缝钢管在城市建设中起着至关重要的作用，它的好坏直接影响到生活建筑的坚实程度和质量高低，要想在鱼目混珠的方管市场中选择一款优质的方管，首先要学会识别劣质方管。
... Seamless Steel Tube Column 无缝钢管立柱 Seamless steel tube standards 无缝钢管标准 seamless rolled tube 无缝轧制钢管 ...
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综合论述了GB/T 816 3- 1999输送流体用无缝钢管标准技术指标，对输送流体用无缝钢管组织生产有一定指导意义。
Discussion on the technical index of GB/T 8163-1999 seamless steel tubes for liguid service, make suggestions on organizing production of seamless steel tubes for liguid service.
通过对压力容器常用的3项碳素钢和低合金钢无缝钢管标准的对比，对质检特函[2010]86号文有关碳素钢和低合金钢无缝钢管的技术措施提出了自己的看法。
With the comparison of three standards for carbon and low alloy steel pipes used in pressure vessel, the opinions of the author on the clauses in the document AQSIQ [2010] No. 86 were presented.
本文对无缝钢管标识规定因国标与石化行业标准要求不一致，造成工程建设中的争议情况进行探讨。
The provision of the seamless steel tube mark is disaccord in the national standard and the petrochemical industry standard, this paper discusses the controversial question in the construction.
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