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Tee is a kind of pipe fitting used at the branch of pipe. For using seamless tube to manufacture tee joint, there are two kinds of commonly used processes: hydraulic bulging and hot pressing. The hydraulic bulging of the tee is a forming process of expandi ...
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By equipment such as furnace, converter, electric furnace, etc., steel is smelted and presented as liquid. In order to facilitate processing, it is cast in a mold of a certain shape and size, and after condensation, it constitutes a solid steel ingot and c ...
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Pipes are used for transporting fluids and gases in Chemical, Petrochemical, Power Plants, Refineries, Storage units, compressed air systems, plumbing systems, etc. They are circular in cross-section and specified by Nominal Pipe Size. Tubes are used for m ...
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The main advantages of magnetic particle testing: Find flaws on the surface and near surfaces Fast examination method with an immediate result An easy method as compared to other NDT methods Portable and low-cost equipment. Defects are visible directly on ...
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Normally ASME Section V: Nondestructive Examination governs the magnetic particle examination methods for most of the organizations. However, there are various other codes and standards that provide guidance rules for magnetic particle test procedures as l ...
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The magnetic particle inspection is performed in following below-mention six steps. 1. Surface Preparation: All surfaces and adjacent areas (within 1 inch) that will be examined must be free from rust, scale, sand, grease, paint, slag, oily films, or other ...
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Magnetic Particle Inspection (MPI) is one of the most widely used non-destructive inspection methods for locating surface or near-surface defects or flaws in ferromagnetic materials. MPI is basically a combination of two NDT methods: Visual inspection and ...
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Hebei Haihao Group offers various ultrasonic testing to detect defects in a wide range of piping components and materials. Ultrasonic inspection uses sound reflections in order to determine pipe thickness and to locate defects in welds and materials. Ultra ...
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The technical requirements of heat treatment parts are different, the heat treatment process adopted is different, and the quality inspection items and methods are different. The quality inspection items and methods commonly used in heat treatment producti ...
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In the production of the final heat treatment quality inspection usually includes quenching, surface quenching, tempering inspection. (1) Deformation. Quenching deformation inspection in accordance with requirements, such as deformation in excess of that s ...
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SSC Cracking factors Sulfide Stress cracking affected by following factors: 1) Subjected by chemical ingredients, hot treatment and micro structural etc. Influences metallurgy conditions and strength. 2) Hydrogen iron concentration in aqueous phase (Ph ind ...
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NACE MR0175 Pipe and Fittings Steel pipe and related fittings which are made from the NACE material (complied with NACE MR 0175 or ISO 15156 standard). We call them NACE pipe, or NACE pipe fittings. Therefore, these products are specially used in the oil a ...
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How to select material Steel materials that selected or qualified using NACE MR0175/ISO 15156 are resistant to cracking in defined H2S-Containing environments in oil and gas production, but are not nesessarily immune under all service conditions. Consequen ...
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Always in pipeline systems we met the material with NACE MR0175/ISO 15156 pipe or fittings, so do you really know what is the major differences between NACE carbon pipe and normal carbon steel pipe? And how is the cost for nace material? So today we are go ...
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Welded steel pipe is a seam steel pipe. Its production is to bend the tube blank (steel plate and steel strip) into a required cross-sectional shape and size by various forming methods, and then use different welding methods to weld the seams. The process ...
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Heat treatment is an important link in mechanical manufacturing. The quality of heat treatment is directly related to the internal quality and performance of products or parts.There are the matters need to attention in quality inspection of heat treatment. ...
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After annealing, normalizing, quenching, tempering and surface modification heat treatment, the forging may produce thermal treatment distortion. The root cause of the distortion is the internal stress of the forging during heat treatment, that is, the int ...
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Heat treatment, also called thermal treatment, is a method that put materials into troubles performing medium for heating, heat preservation and cooling. Also, it is a kind of technical process to control the performance of materials through changing the s ...
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In last article,we learned what is 3PE coated steel pipe.Today let’s see advantages of 3PE coated pipe. Durable lifetime 3PE epoxy coated steel pipe have good stability and anti-aging performances under the normal work temperature and pressure condit ...
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With the development of coating technique,more and more client require FBE coated pipes.What is the feature and types for FBE coated pipes? FBE coated pipe Features The advantage of the FBE coating pipe is convenient to spraying, no pollution, excellent re ...