環縫焊接
Two different welding processes were used in the girth welding of the domestic X70pipeline steel.
本研究采用不同的焊接工藝對X70 管線鋼管進行環縫焊接。
Owing to the small diameters of conduit pipes and bracing tubes, the girth welding has to be done with one side welding both sides formation technology.
海洋平台構件中的導管、撐管，因管徑小，其環焊縫隻能采用單面焊雙面成型焊接工藝。
The invention is used for automatic air gouging back gouging of the straight welding line and the girth welding line of the large cylindrical welding structure.
本發明用于大型圓筒形焊接結構的直焊縫和環行焊縫自動氣刨清根。
The difficulties and resolve methods concern with SA-335P91 made header fabrication process are introduced herein such as header ruling, girth welding, nozzle and accessories.
針對高溫強度較高的SA - 335P91材料在産品中的應用，尤其是在集箱制造工藝上的情況進行了簡介。
Pipeline all - position automatic welder is kind of special automatic machine for pipeline girth welding. It has high degree of automatization, and can be used in severe conditions.
PAW2000管道全位置自動焊機是管道環縫焊接的專用自動設備，自動化程度高，運行條件惡劣。
girth welding（環向焊接）是管道工程中沿圓周方向連接兩段管道的焊接工藝，屬于管道安裝的核心技術之一。其名稱中的“girth”指環形或周向形态，“welding”即焊接，組合後特指在圓柱形工件（如管道、儲罐）的圓周方向進行的對接焊。
該工藝需嚴格遵循以下要求：
國際焊接學會（IIW）及美國焊接協會（AWS）均将環向焊接列為管道安全的核心技術，相關規範可參考《焊接與連接工程手冊》（Welding and Joining Engineering）。
“Girth welding”是焊接領域的技術術語，其含義和用法可綜合解釋如下：
如需進一步了解具體焊接參數或标準，可參考行業規範（如ASME标準）或專業焊接手冊。
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