论文部分内容阅读
１９９０年前冶金产品复审工作已圆满完成，但部分检验标准及１９９０年后的冶金标准仍存在一些问题，现将工作中发现的一些问题列出，并提出修改建议，供有关人员修订时参考。１ＧＢ／Ｔ３０９２—９３低压流体输送用焊接钢管问题：５．６弯曲试验公称口径…，焊缝位于弯...
The metallurgical product review work has been successfully completed before 1990, but some inspection standards and the metallurgical standards after 1990 still have some problems. Some problems found in the work are listed and suggestions for revision are made for reference when relevant personnel make amendments. 1GB / T3092-93 Welded steel pipe with low pressure fluid delivery problems: 5.6 bending test nominal diameter ..., the weld is located in the bend ...