The standard is suitable for hydraulic steel structure weld; it is also suitable for the steel structure weld of miscellaneous mechanical products in water conservancy and hydroelectric projects.
本标准适用于水工金属结构的焊接，也适用于水利水电工程其他机械产品钢结构的焊接。
The research focuses on the defect equivalent analytical methods in building steel structure butt weld fusion and the effects of non-crack-type defects on the normal use of butt weld fusion.
本课题研究了建筑钢结构熔透对接焊缝中缺陷当量的分析方法和非裂纹类缺陷对焊缝正常使用的影响。
The strain mode based approach to identify weld damage in members of steel structure automatically is demonstrated in present paper.
研究了基于应变模态的钢结构构件焊缝损伤的自动识别方法。
This article discusses causes of weld cracking in crane's steel structure, recommends ways of remedy and makes proposals concerning design and fabrication to avoid cracks.
本文论述几种起重机钢结构焊缝裂纹产生的原因，提出焊缝裂纹的修复方法和起重机钢结构设计、制造中防止焊缝开裂的改进措施。
The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied.
研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
The development procedure of the milling machine on line used in production of weld H type section steel was described in details, including the design idea, structure mode and working principle.
详细阐述了焊接H型钢生产线在线铣削机研制过程中的设计思想、结构形式和工作原理，介绍了设备的结构特点和使用效果。
In addition, it is introduced that the layer, impurities and band structure in base material are harmful to the weld quality of ERW steel pipe.
另外介绍了母材缺陷分层、夹杂物、带状组织对ERW焊缝的危害性。
The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.
采用焊接热模拟试验和冲击试验，研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
The article discusses and finds the Auster grain growing rules and relations of structure and properties of X70 steel in weld pipe and pipe accessories under the different heating temperature.
研究了一种适用于管道钢管和管件制造的X70级管线钢在不同加热温度下的奥氏体晶粒长大规律和组织-性能间的关系。
The approaches to identify and locate weld damage in members of steel structure are discussed by using strain mode in this paper.
本文主要采用神经网络方法，依据结构的应变模态理论，对钢结构构件的焊缝损伤的自动识别问题进行了综合的研究。
This series of product is applicable for general structure steel and engineering used hot-rolled plates and steel strips to weld. rivet and bolt structures.
本系列产品适用于一般结构钢和工程用热轧钢板、钢带、可供焊接、铆接、栓结构件用。
The micro-structure and mechanical properties of X65 pipeline steel jointer weld were studied.
研究了X6 5管线钢焊接接头的显微组织和力学性能。
The micro-structure and mechanical properties of X65 pipeline steel jointer weld were studied.
研究了X6 5管线钢焊接接头的显微组织和力学性能。
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