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ASTM A234 WP11 ELBOW is a kind of alloy steel elbows

2016-06-20 10:44:56   Comment:0 Hits:
  ASTM A234 WP11 ELBOW is a kind of alloy steel elbows. Hebei Shengtian Pipe Fitting Group Co.,Ltd is a famous steel pipe fittings manufacture in China. WP11 there have three class, Cl1, Cl2 and CL3. The difference between them I will analysis them by chemical.

  Material : Cl1 the chemical component is C1 0.05-0.15, Si 0.50-1.00, Mn 0.30-0.60,  Cr 1.00-1.50, Mo 0.44-0.65, P & S No more than 0.03.

  Cl2 and CL3 the C is  0.05-0.20, Mn 0.30-0.80, P & S is no more than 0.04. others is the same request.

  ASTM A234 WP11 ELBOW produced by Shengtian Group is high quality pipe fittings. The products follows the international standard well.

  We have adopted advanced production equipment and technologies to manufacture our steel pipe fitting and steel elbow,which can not only improve product quality, but also save raw materials. Our products have high strength, good toughness and resistance to corrosion.

  Hydrogen under atmospheric pressure will have no obvious corrosion on alloy steel P11, but when the temperature exceed 300 ℃ and the pressure is higher than 30 mpa,  it can produce hydrogen embrittlement the corrosion defects, especially under the condition of high temperature. Such as desulfurization tower, transform tower in the process of synthetic ammonia production, ammonia synthetic tower; In the process of refining some hydrogenation unit; The methanol synthesis tower and so on in the process of petroleum and chemical production

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