• <dfn id="mchga"></dfn>
  • <cite id="mchga"><rt id="mchga"></rt></cite><tt id="mchga"><rp id="mchga"></rp></tt>
    <u id="mchga"><address id="mchga"><menu id="mchga"></menu></address></u>
  • <xmp id="mchga"><u id="mchga"></u></xmp>
    <font id="mchga"><rt id="mchga"></rt></font>
    1. 無錫304不銹鋼管 /wuxi304b

      304不銹鋼管
      時間:2018-5-3    來源:http://zgwylb.com/

      詳細說明:加工流程熱軋(擠壓無縫鋼管):圓管坯→加熱→穿孔→三輥斜軋、連軋或擠壓→脫管→定徑(或減徑)→冷卻→坯管→矯直→水壓試驗(或探傷)→標記→入庫。

      冷拔(軋)無縫鋼管:圓圓管坯→加熱→穿孔→打頭→退火→酸洗→涂油(鍍銅)→多道次冷拔(冷軋)→坯管→熱處理→矯直→水壓試驗(探傷)→標記→入庫。 

      規格規格規格規格48*5

      53*11

      57*15

      68*64

      8*5.5

      53*12

      58*1.8

      68*6.3

      48*6

      53*14

      58*11

      68*74

      8*6.5

      53*1.5

      60*26

      8*84

      8*75

      3*66

      0*2.568*948*854*260*368*1048*8.554*2.560*3.568*1148*954*360*468*1248*1054*3.560*4.568*12.548*11

      54*460*568*1448*1254*4.560*568*1649*454*560*5.570*3.549*1054*5.560*670*450*1.554*660*6.5

      70*450*254*6.560*770*4.550*2.554*760*7.570*550*354*860*870*650*3.554*8.560*970*6.5


      国产精品自产拍在线观看免费_亚洲国产AV午夜福利精品一区_中文字幕在线永久在线_99久久国产综合精品网
    2. <dfn id="mchga"></dfn>
    3. <cite id="mchga"><rt id="mchga"></rt></cite><tt id="mchga"><rp id="mchga"></rp></tt>
      <u id="mchga"><address id="mchga"><menu id="mchga"></menu></address></u>
    4. <xmp id="mchga"><u id="mchga"></u></xmp>
      <font id="mchga"><rt id="mchga"></rt></font>