2205气动切断球阀

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  应用领域 Applications

  1、压力器皿、高压储藏罐、高压管道、热交换器

  2、石油天然气管道、热交换器管件

  3、污水处理系统

  4、纸浆和造纸工业分类器、漂白设备、贮存处理系统

  5、高强度耐腐蚀环境下的回转轴、压榨辊、叶片、叶轮等

  6、轮船或卡车的货物箱

  7、食品加工设备

  1.Pressure vessels, high-pressure storage tanks, high-pressure pipelines, heat exchangers

  2.oil and gas pipelines, heat exchanger tubes

  3.Sewage treatment system

  4.Pulp and paper industry classifiers, bleaching equipment, storage and processing systems

  5.high-strength and corrosion-resistant environments of the rotary axis, the press roll, blades, impeller and so on

  6.Cargo containers for ships or trucks

  7.Food processing equipment

   

  材料特性 Material Characteristics

  S32205是一种铁素体-奥氏体（双相）不锈钢，它综合了铁素体钢和奥氏体钢有益的性能，具有极好的抗氯离子应力腐蚀性能及良好的抗硫化物应力腐蚀能力，同时具有较高的机械强度。

  S32205 is a ferritic-austenitic (duplex) stainless steel, which combines the beneficial properties of ferrite and austenitic steels, has excellent resistance to oxygen ion stress corrosion and good resistance to sulfide stress Corrosion， and has a high mechanical strength.

   

  机械性能 Mechanical Properties

  名称   Type	标椎（ASTM)   Standard	合金状态   Alloy State	抗拉强度≥   Tensule Strenght	屈服强度≥   Yield Strenght	延展率≥   Elongation	硬度≤   Hardness
  管件   Fitting	A815	固溶   Solid Solution	655	450	20	290
  无缝钢管   Seamless Steel Pipe	A790	固溶   Solid Solution	655	450	25	290
  有缝钢管   Welded Steel Pipe	A790	固溶   Solid Solution	655	450	25	290
  板材   Plate	A240	固溶   Solid Solution	655	450	25	293
  棒材   Bar	A182	固溶   Solid Solution	655	450	25	290
  锻件   Forging	A182	固溶   Solid Solution	655	450	25	290

   

  化学成分 Chemical Composition

  名称   Type	标椎（ASTM)   Standard	Ni	Mo	Mn≤	C≤	Si≤	S≤	Cr	P≤	N
  管件   Fitting	A815	4.5-6.5	3-3.5	2.00	0.030	1.00	0.020	22.0-23.0	0.030	0.14-0.20
  无缝钢管   Seamless Steel Pipe	A790	4.5-6.5	3-3.5	2.00	0.030	1.00	0.020	22.0-23.0	0.030	0.14-0.20
  有缝钢管   Welded Steel Pipe	A790	4.5-6.5	3-3.5	2.00	0.030	1.00	0.020	22.0-23.0	0.030	0.14-0.20
  板材   Plate	A240	4.5-6.5	3-3.5	2.00	0.030	1.00	0.020	22.0-23.0	0.030	0.14-0.20
  棒材   Bar	A182	4.5-6.5	3-3.5	2.00	0.030	1.00	0.020	22.0-23.0	0.030	0.14-0.20
  锻件   Forging	A182	4.5-6.5	3-3.5	2.00	0.030	1.00	0.020	22.0-23.0	0.030	0.14-0.20