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    1. 首頁 > 產品展示 > 鍋爐換熱器等用無縫鋼管

      管道容器設備結構用管

      發布日期:21-08-25 10:30:42 訪問次數:2061

      管道容器設備結構用管

      管道、容器、設備結構用管
        Steel Pipes for Pipeline, Vessel and Equipment Structures.
        標準:Standards:
        ASTM A519, DIN1629, DIN2391, ASTM A513, BS6323, EN10305-1, JIS3441
        用途Application:
        適用于制造管道、容器、設備、管件及鋼結構
        It is used for manufacturing pipeline, vessel, equipment, pipe fittings and steel structure.
        主要生產鋼管牌號 Main Steel Tube Grades:
        St37.0, St44.0, St52.0
        化學成份Chemical Composition (%):


      標準Standard

      牌號Grade

      C

      Si

      Mn

      P

      S

      Cr

      Ni

      Cu

      V

      Q/BQB 203
      DIN1629

      ST37.0

      ≤0.17

      0.17-0.37

      0.35-0.65

      ≤0.025

      ≤0.020

      ≤0.25

      ≤0.25

      ≤0.25

      -

      ST44.0

      ≤0.21

      0.17-0.37

      0.50-0.80

      ≤0.025

      ≤0.020

      ≤0.25

      ≤0.25

      ≤0.25

      -

      ST55

      0.33-0.41

      0.17-0.37

      0.50-0.80

      ≤0.025

      ≤0.020

      ≤0.25

      ≤0.25

      ≤0.25

      -

      ST52.0

      ≤0.22

      ≤0.55

      ≤1.60

      ≤0.025

      ≤0.020

      ≤0.25

      ≤0.25

      ≤0.25

      -

      CK45

      0.42-0.50

      0.17-0.37

      0.50-0.80

      ≤0.025

      ≤0.020

      ≤0.25

      ≤0.25

      ≤0.25

      -

      Note: Grades other than the a.m. chart can be made available through consultations.

      機械性能Mechanical Properties:


      標準Standard

      鋼級
      Grade

      抗拉強度Tensile Strength
      (MPa)

      屈服強度Yield Strenght
      Not less than

      伸長率Elongation
      Not less than

      沖擊試驗Impact Test

      ≤16mm

      >16-30mm

      Temperature
      (℃)

      Absorbed Energy
      (KV/J)

      Q/BQB203
      DIN1629

      -

      -

      ≤16mm

      >16mm

      -

      -

      -

      ST37.0

      350-480

      235

      225

      25

      -

      -

      ST44.0

      420-550

      275

      265

      21

      -

      -

      ST55

      540-645

      295

      285

      17

      -

      -

      ST52.0

      500-650

      355

      345

      21

      -

      -

      CK45

      590-730

      335

      325

      14

      -

      -

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