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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:375

        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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