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焊接鋼管的焊接方法

日期:2020-08-18

根據生產中使用的焊接工藝,將常用的焊接鋼管分為以下三種類型。

焊接鋼管的焊接方法

①連續爐焊接(鍛造)鋼管:具有生產效率高,生產成本低的特點,但焊接接頭的冶金結合不完善,焊接質量差,綜合機械性能差。
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②電焊鋼管:具有生產效率高,自動化程度高的特點。它不需要焊條,并且焊接過程中的焊劑對母材的損害很小,并且焊接后的變形和殘余應力也很小。但是,其生產設備較為復雜,設備投資較高,對焊接接頭的表面質量要求也較高。
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③弧焊鋼管:其特點是焊接接頭實現了完全的冶金結合,接頭的機械性能可以完全滿足或接近母材的機械性能。根據焊縫形狀的不同,電弧焊鋼管可分為直縫焊管和螺旋焊管兩種。根據焊接時采用的不同保護方法,電弧焊鋼管可分為埋弧焊鋼管和熔融電極氣體保護鋼管兩種。?

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