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                                                                                                                                    x65直縫埋弧焊鋼管

                                                                                                                                    作者:滄州市大唐管業有限公司來源:http://www.locasity.com/時間:2018/07/02 點擊:0

                                                                                                                                            擴徑是x65直縫埋弧焊鋼管生產中確保鋼管質量的一道重要工序,管線鋼管標準要求直縫埋弧焊管必須經過擴徑工序??捎行岣咪摴艹叽缇?。

                                                                                                                                            目前,直縫埋弧焊管成型方式主要有UO,RB,JCO,C和Hu-Metal,采用這5種成型方式生產的鋼管,不同程度地存在幾何尺寸精度不高的問題。由于直縫埋弧焊縫是在管體的一側進行內、外焊,因而鋼管在熱應力的作用下要發生彎曲變形,而焊縫部分縱向收縮量也較大,使鋼管的直線度受到嚴重影響;另外,這5種成型方式生產的鋼管,橢圓度均較大,尤其是JCO和C成型鋼管。因此,必須通過擴徑、整圓等工藝提高鋼管的幾何精度。

                                                                                                                                      x65直縫埋弧焊鋼管是以帶鋼卷板為原材料,經常溫擠壓成型,以自動雙絲雙面埋弧焊工藝焊接而成的x65直縫埋弧焊鋼管。

                                                                                                                                      x65直縫埋弧焊鋼管主要工藝特點:

                                                                                                                                      a. 成型過程中,鋼板變形均勻,殘余應力小,表面不產生劃傷。加工的x65直縫埋弧焊鋼管在直徑和壁厚的尺寸規格范圍上有更大的靈活性,尤其在生產高鋼級厚壁管,特別是中小口徑厚壁管方面具有其他工藝無法比擬的優勢, 可滿足用戶在螺旋鋼管規格方面更多的要求。

                                                                                                                                      b. 采用先進的雙面埋弧焊的工藝,可在最佳位置實現焊接,不易出現錯邊、焊偏和未焊透等缺陷,容易控制焊接質量。

                                                                                                                                      c. 對鋼管進行100%的質量檢查,使鋼管生產的全過程均在有效的檢測、監控之下,有效地保證了產品質量。

                                                                                                                                      d. 整條生產線的全部設備具備與計算機數據采集系統聯網的功能,實現數據即時傳輸,由中央控制室對生產過程中的技術參數。

                                                                                                                                      用途

                                                                                                                                      x65直縫埋弧焊鋼管主要應用于自來水工程、石化工業、化學工業、電力工業、農業灌溉、城市建設,是我國開發的二十個重點產品之一。

                                                                                                                                      作液體輸送用:給水、排水。作氣體輸送用:煤氣、蒸氣、液化石油氣。作結構用:作打樁管、作橋梁;碼頭、道路、建筑結構用管等。

                                                                                                                                      我廠實力雄厚,滄州市大唐管業有限公司專業生產螺旋焊管系列、無縫鋼管系列、直縫鋼管系列、內外涂塑鋼管系列、防腐保溫鋼管系列、3PE防腐鋼管系列、IPN8710防腐鋼管系列、TPEP防腐鋼管系列、鋼套鋼保溫鋼管系列、聚乙烯粉末防腐鋼管系列、環氧煤瀝青防腐鋼管系列、聚氨酯發泡保溫鋼管系列、管件系列等,規格齊全,我廠常年存有大量庫存,歡迎來電咨詢洽談!


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