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CN

2507氣動高壓截止閥


  • 應(yīng)用領(lǐng)域 Applications

    1、紙漿和造紙工業(yè)

    2、海水淡化

    3、煙氣凈化

    4、熱交換器

    5、化學(xué)品液貨船管道系統(tǒng)

    6、海水系統(tǒng)等

    1.Pulp and paper industry

    2.Seawater desalination

    3.Flue gas purification

    4.Heat exchangers

    5.Chemical crystallizer cargo ship piping systems

    6.Seawater system, etc.

     

    材料特性 Material Characteristics

    S32750是一種鐵素體-奧氏體(雙相)不銹鋼,它綜合了許多鐵素體鋼和奧氏體鋼最有益的性能,由于該鋼鉻和鉬的含量都很高,因此具有極好的抗點(diǎn)腐蝕、縫隙腐蝕和均勻腐蝕的能力。雙相顯微組織保證了該鋼具有很高的抗應(yīng)力腐蝕破裂的能力,而且機(jī)械強(qiáng)度也很高。

    機(jī)械特性:S32750具有很高的耐壓強(qiáng)度、沖擊強(qiáng)度及較低的熱膨脹系數(shù)和較高的導(dǎo)熱性。這些特性適用于很多結(jié)構(gòu)零件及機(jī)械部件。

    S32750 is a ferritic-austenitic (duplex) stainless steel. It combines the most beneficial properties of many ferritic and austenitic steels. Because of its high chromium and molybdenum content, it has extremely high Good resistance to pitting, crevice and uniform corrosion. The dual-phase microstructure ensures that the steel has high resistance to stress corrosion cracking and high mechanical strength.

    Mechanical characteristics: S32750 has high compressive strength, impact strength, low thermal expansion coefficient and high thermal conductivity. These characteristics apply to many structural parts and mechanical parts.

     

    機(jī)械性能 Mechanical Properties


    名稱
      Type

    標(biāo)椎(ASTM)
      Standard

    合金狀態(tài)
      Alloy State

    抗拉強(qiáng)度≥
      Tensule Strenght

    屈服強(qiáng)度≥
      Yield Strenght

    延展率≥
      Elongation

    硬度≤
      Hardness


    管件
      Fitting

    A815

    固溶
      Solid Solution

    800-965

    550

    15

    310


    無縫鋼管
      Seamless Steel Pipe

    A790

    固溶
      Solid Solution

    800

    550

    15

    310


    有縫鋼管
      Welded Steel Pipe

    A790

    固溶
      Solid Solution

    800

    550

    15

    310


    板材
      Plate

    A240

    固溶
      Solid Solution

    795

    550

    15

    310


    棒材
      Bar

    A182

    固溶
      Solid Solution

    800

    550

    15

    310


    鍛件
      Forging

    A182

    固溶
      Solid Solution

    800

    550

    15

    310

     

    化學(xué)成分 Chemical Composition


    名稱
      Type

    標(biāo)椎(ASTM)
      Standard

    Ni

    Cu

    Mo

    Mn

    C

    Si

    S

    Cr

    P

    N


    管件
      Fitting

    A815

    6.0-8.0

    0.5

    3.0-5.0

    1.20

    0.030

    0.08

    0.020

    24.0-26.0

    0.035

    0.24-0.32


    無縫鋼管
      Seamless Steel Pipe

    A790

    6.0-8.0

    0.5

    3.0-5.0

    1.20

    0.030

    0.08

    0.020

    24.0-26.0

    0.035

    0.24-0.32


    有縫鋼管
      Welded Steel Pipe

    A790

    6.0-8.0

    0.5

    3.0-5.0

    1.20

    0.030

    0.08

    0.020

    24.0-26.0

    0.035

    0.24-0.32


    板材
      Plate

    A240

    6.0-8.0

    0.5

    3.0-5.0

    1.20

    0.030

    0.08

    0.020

    24.0-26.0

    0.035

    0.24-0.32


    棒材
      Bar

    A182

    6.0-8.0

    0.5

    3.0-5.0

    1.20

    0.030

    0.08

    0.020

    24.0-26.0

    0.035

    0.24-0.32


    鍛件
      Forging

    A182

    6.0-8.0

    0.5

    3.0-5.0

    1.20

    0.030

    0.08

    0.020

    24.0-26.0

    0.035

    0.24-0.32

     


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