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  • 2021-05-09

    In the production process of large-diameter steel pipes, since the primary processing is performed in a hot state, the heating operation is a very important process that determines the quality of the product. Heating furnaces are divided into heating furnaces and reheating furnaces according to thei

  • 2021-05-09

    At present, the proportion of oil and gas transported by longitudinally welded pipes in the world is increasing, accounting for about 75%-95% of the total oil and gas. At present, the scope of transportation is gradually expanding, not only petroleum and natural gas, but also various chemical indust

  • 2021-05-09

    1. Check if the composition of the steel is uniform. Because of the inferior seamless steel pipe, there are more impurities in the pipeline, and the density of the steel is smaller. Once we found that the composition of the pipeline is confusing from the section of the pipeline, then this must be a

  • 2021-05-04

    Butt weld fittings is one of the most popular connection type in pipeline systems. It always been required in large quantities in different industries, and especially for the large diameter pipelines.What is Butt Weld FittingsButt weld is to connect pipes or fittings ends by welding. It’s a weldable

  • 2021-04-20

    Different material and grade have varying costs, stainless steels are generally more expensive than carbon steels. This is mainly to the addition of a variety of alloying elements in stainless steel.Such as chromium, nickel, manganese, and others. These extra elements all add up to an increased cost

  • 2021-04-19

    Carbon Steel and Stainless steel are two very popular grades of pipe used in the Mechanical Industry. Each type of material comes with its own particular set of benefits and disadvantages to the contractor. In this article I am looking at the main considerations to take note of when considering whic

  • 2021-04-16

    1. Follow the standard design and material selection, and choose different materials and steel grades for different service environments. High alloy pipes like stainless steel pipes are also used in corrosive environments (the cost is 4 times more than that of carbon steel), but stainless steel pipe

  • 2021-04-16

    Specification :ASME B16.9 11 ElbowSize Chart Of Threaded Elbow:1/8” NB to 4” NB (Screwed-Socket)Forged Type :NPT (Threaded), BSPT, BSPP.Elbow SW Dimensions Class:2000#, 3000#, 6000#, 9000#Standard Of 45 Degree Npt Elbow:JISB2311, IS 2062, DIN, ANSI B16.28, ASME B16.9, BS10, ASME B16.47, ASME B16.38,

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