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    L245管線管具體化學成分屬于什么材質

    發布時間:2018-07-16 來源: http://www.quandongtai.com/ 瀏覽:0次  字號:  

    L245管線管的化學成分
    1.0.015%≤Altot<0.06%;N≤0.012%;Al/N≥2/1;Cu≤0.25%;Ni≤0.30%;Cr≤0.30%;Mo≤0.10% 
     
    2.V+Nb+Ti≤0.15 
     
    3.X60、X65、X70經協商Mo≤0.35% 

    L245管線管具體化學成分表

      L245管線管就是一種低壓流體卷制管,其性能和20#無縫管差不多,

      L245管線管的力學性能和化學成份

      力學性能: 屈服強度:245 MPa

      抗拉強度:415 MPa

      化學成份: C:0.26 Mn:1.15 S : 不大于0.030 P:不大于0.030

      如果標識是L245中N的表示是L245的鋼材進行了形變正火。B的意思是B級鋼管。

      所以L245表示的是在L245的基礎上進行了形變正火。


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