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Why is the valve always malfunctioning, is it a quality problem or an operatio……

Why is the valve always malfunctioning? In the entire process of design, manufacture, installation, working conditions, operation and maintenance, every step cannot be relaxed. Before the valve leaves the factory or complete installation, how to determine if there is a problem? This requires inspection through visual inspection and certain performance tests. Through these test results, the defects can be exposed and adjusted accordingly. Only after all the tests are qualified can they be put into use. So, what kind of details need to pay attention to appearance inspection? What are the performance tests? Let’s take a look with the little […]

2018-05-19 read more...
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How to make seamless steel pipe

How to make seamless steel pipe? The advent of rolling mill technology and its development during the first half of the nineteenth century also heralded in the industrial manufacture of tube and pipe. Initially, rolled strips of sheet were formed into a circular cross section by funnel arrangements or rolls, and then butt or lap welded in the same heat (forge welding process). Toward the end of the century, various processes became available for the manufacture of seamless tube and pipe, with production volumes rapidly increasing over a relatively short period. In spite of the application of other welding processes, […]

2018-05-19 read more...
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07th OIL & GAS AFRICA 2018, 29 – 31 May, KICC, Nairobi – Kenya

The 07th Oil & Gas Africa – Int’l Trade Exhibition, 29 – 31 May, 2018, 2018 at Kenya’s prime international venue; KICC in Nairobi. The exhibition is a hub for key players in the oil and gas community, attracting leading oil, gas and petroleum companies from around the world. Kenya has attracted oil & gas companies not only because of its ports and strategic location but also because the government is keen not to be left out of the exploration. Oil discoveries in Uganda and Kenya and gas deposits found off Tanzania and Mozambique have turned east Africa into a hot spot […]

2018-05-18 read more...
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ASTM A213 Alloy Pipes

ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes ASTM A213M-09 standard is issued under the fixed designation A 213/A 213M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. ASTM A213 T5 Seamless alloy pipe ASTM A213 T5 is the part of ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes. Grades containing the letter H in their designation have requirements different from those of similar grades not containing the letter H. These different […]

2018-05-12 read more...
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Pipeline design errors and poor live pictures

Purpose:1. Give young pipe design engineers more emotional insights. 2. Let everyone sum up lessons learned and avoid the same mistakes in the future design work. There is a problem: the flange cover collides with the Pipeline Problems: Inconvenient maintenance There is a problem: the height of the emptying tube is not enough and has been modified There is a problem: the hole is too big （Has already done insulation） Problems: improper platform height design There is a problem: bumps and cans collided There is a problem: the flame arrester is inconvenient to install and maintain There is a problem: […]

2018-05-11 read more...
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ASTM A519

ASTM A519 specification covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished. The steel used in the mechanical tubing may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required. The seamless tubing is a tubular product made without a welded seam. It is usually manufactured by hot working steel, and if necessary, by subsequently cold finishing the hot-worked tubular product to produce the desired shape, dimensions and properties. The tubes shall be furnished in the following shapes: […]

2018-05-06 read more...
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How to get high quality ASTM A333 alloy pipes

What is a ASTM A333 alloy pipe? ASTM A333 (ASME S/A-333) alloy pipes grades permit low temperature service. This specification covers nominal (average) walled pipe almost exclusively in seamless.  Several grades of ferritic steel are included. Some product sizes may not be available under this specification because heavier wall thicknesses have an adverse effect on low-temperature impact properties. Main ASTM A333 alloy pipes: ASTM A333 Grade 1 Seamless Pipe ASMT A333 Grade 1 seamless and welded pipes shall be treated to control their microstructure. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to […]

2018-05-01 read more...
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How to get high quality astm a335 chrome moly pipe

What is a astm a335 chrome moly pipe? Astm A335 Pipe (asme S/a335, Chorme-moly) Is a seamless ferritic alloy steel pipe for high temperature service. pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. sometimes referred to as “p grade”, chome moly pipe is popular in p-grades p5, p9, p11, p22, and p91. Difference between carbon steel and alloy steel Carbon steel Carbon steel is also known as the iron-carbon alloy containing less than 2% carbon WC. Generally also contain small amounts of silicon, manganese, sulfur, phosphorus and carbon steel, in addition […]

2018-04-21 read more...
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How to get high quality Carbon Steel Flanges

What are Carbon Steel Flanges? Carbon steel flanges, the main materials are carbon steels.Carbon Steel Flanges are designed with care using current techniques under the visionary guidance of accomplished professionals at manufacturing unit. Offered range is stringently tested on various parameters of quality for ensuring flawlessness and defect free. These products are widely used in various industries and widely appreciated by clients for owning unmatchable characteristics. Offered range supplied in quality assured packaging material. Carbon steel  • ASTM A105/A266 Gr.2 (high temperature carbon steel flanges)  • ASTM A350 LF1 to LF3 (low temperature carbon steel flanges)  • ASTM A694 Gr. F42/F52/F56/F60/F65 (high yield […]

2018-04-15 read more...
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How to get high quality stainless steel flange

What is a stainless steel flange? A stainless steel flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification. stainless steel flanges are usually welded or screwed. stainless steel flanged joints are made by bolting together two stainless steel flanges with a gasket between them to provide a seal. What is stainless steel? This crystal structure makes such steels non-magnetic and less brittle at low temperatures. For higher hardness and strength, carbon is added. When subjected to adequate heat treatment these steels are […]

2018-04-09 read more...
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