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Pipeline Coating 2017Global conference on pipeline protection technology and marketsDate: 2/14/2017 – 2/16/2017Venue: Austria Trend Hotel Savoyen, Vienna, Austria The conference attracts hundreds of delegates from all over the world. Pipeline Coating 2017 provides a unique forum for the world’s leading pipeline contractors, operators, pipe mills and pipe coaters, engineers and specifiers, researchers, raw materials and machinery suppliers to debate the latest pipeline protection technology and worldwide industry trends.  Event news: Website: www.amiplastics.com/events/Future Dates:Pipeline Coating 20182018-2Vienna, AustriaVenuesAustria Trend Hotel SavoyenRennweg 16, 1030 Wien, Vienna Austria Tel: +43-1-206 33-0 www.austria-trend.at/Hotel-Savoyen-Vienna/en/OrganizersApplied Market Information Ltd.6 Pritchard Street, Bristol, BS2 8RH, Bristol United Kingdom Tel: +44-(0)117-924 9442 www.amiplastics.com/

Spiral steel pipe in the production process if the production process is unreasonable, machine parameter settings shall be deemed to occur deviation phenomenon, especially large diameter spiral steel pipe, which is often said the wrong side of the phenomenon. After spiral steel pipe wrong side analysis of the causes produce the wrong side is very necessary, the following is a common cause of generating the wrong side. 1, strip steel camber is caused by the wrong side of the most important factors. In forming the spiral welded pipe, steel strip camber angle will constantly change shape, leading to changes in the weld gap, resulting in open seam, wrong side or even take sides. 2, strip head and tail butt welding weld reinforcement is large, when the over-molding, if not handled properly, likely to cause greater wrong side. 3, due to the poor is not trimming the strip head and tail shape and size precision, easy to cause docking strip hard bend caused by the wrong side. 4, the strip edges in poor condition is another important reason for the wrong side. Therefore, the observation strip coil-camber situations after, by controlling the vertical rolls so that the disc can be cut and removal of part of camber angle forming the continuous control and corrective camber of the strip is the reduction in the production process effective way of generating the wrong side. For the production of spiral steel pipe processing program has been completed on the wrong side as follows: 1, the position of the wrong side of the polished, then welding 2, if a situation occurs frequently on the wrong side, you can replace the equipment. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

Steel pipe concrete structure is a novel composite structure made of concrete filled steel tube formed. Because steel concrete structure to more effectively play two materials steel and concrete respective advantages, while overcoming the disadvantages of steel structures is prone to local buckling. Steel concrete structure in accordance with the section of the form can be pided into rectangular steel concrete structures, concrete structures and polygonal circular steel pipe and other concrete structures, including rectangular and circular steel pipe concrete structure concrete structure wider application.  As we all know, the concret has high compressive strength. But flexural capacity is weak, and steel, in particular, strong steel bending ability, with good plasticity, but when pressure is easy to lose axial compressive buckling capacity. The steel concrete in the structure can be combined with the advantages of both, can make concrete lateral pressure in the state, the compressive strength can be doubled. While the presence of the concrete to improve the rigidity of the pipe, the two function together, thus greatly improving the carrying capacity. As a new steel concrete composite structures, mainly in axial compression and a smaller force eccentric compression member-based, is widely used in the framework of the structure (such as factories and high-rise). The rapid development of steel concrete structure is due to its good mechanical performance and construction performance, manifested in the following aspects: 1. high capacity, good ductility, excellent seismic performance Concrete filled steel columns, steel restraints on its internal concrete in the concrete three-state pressure to improve the compressive strength of concrete; steel inside the concrete and steel can effectively prevent the occurrence of local buckling. Research shows that the bearing capacity of concrete filled steel tube column is higher than the corresponding steel and concrete Columns Columns sum. Interaction between steel and concrete steel inside the concrete so damaged by brittle failure into a plastic failure, significantly improved ductility components, energy dissipation capacity is greatly improved, with excellent seismic performance. 2. construction convenient, greatly shorten the construction period When the steel construction of concrete structures, steel skeleton can be used as fresh bear the weight of construction loads and structural construction phase, the construction is not affected by concrete curing time; due to the steel reinforcement inside the concrete is no easy pouring concrete and tamping; steel concrete structure construction, no template, saving formwork, form removal of material and labor costs, but also saves time. 3. in favor of fire-resistant steel and fire Because the pipe is filled with concrete, can absorb a lot of heat, so when subjected to fire string section of the temperature field distribution is very uneven, increasing the pillar of fire resistance time, heating rate slows steel columns, steel columns and once yielded concrete Most can withstand axial load, to prevent structural collapse. The fire resistance of composite beam will increase, because the temperature of the steel beam from the top flange of the heat will be transmitted to the concrete increases. 4. corrosion resistance than steel Pouring concrete steel pipe exposed area decreased by much less than the area of ​​the external gas corrosion of steel, corrosion and corrosion than steel cost savings. Cross-section in the form of steel concrete structures affect the mechanical properties of steel concrete structure, the degree of difficulty of construction, construction period and project cost has greatly. Circular steel circular pipe by means of concrete compression members bound by its effective role inside the concrete, the steel pipe inside the concrete in three-pressed state has a higher compressive strength of the concrete.

Reasons for the magnetic field of spiral steel pipe ​ In the welding process, welding by DC welding, in welding line, and the position of the welding head due to the high current, resulting in a strong magnetic field, pipe body under the action of magnetic field, magnetic moment or tend to obtain and external magnetic field in the same direction are arranged. When the welding end, magnetic field gradually decreased till disappeared, due to the hysteresis phenomenon, in the tube body and residual magnetic flux density, this is what we say normally remanence. The harm of spiral steel tube magnetic field Existent remanent magnetization, the image intensifier and the electron beam deflection and X-ray industrial TV image system produced the “s” type distortion, influence porosity, slag and other natural defects, especially the detection rate of incomplete penetration, cracks and other linear natural defects. With the change and improve X ray image intensifier TV system pipeline steel grade, the remanence was particularly prominent. Remanence existence, ring butt in the pipeline, will produce the phenomenon of partial arc, welding quality. Remanence have seriously affected the quality of construction The AC degaussing method of spiral pipe is the most common method: 1, with the coil around the outside of the steel tube, to the coil through the alternating current, slowly reduce the current of alternating current, until reduced to zero. Degaussing results: don’t change the physical properties of spiral steel pipe, however, once again encountered the external magnetic field, spiral steel tube also is magnetized. 2, through the heat treatment process, can be more thoroughly the degaussing, however, after degaussing, hardness and rigidity of the spiral pipe will change, encountered again in the future the external magnetic field, plus the magnetic field is removed, the steel pipe can basically there is no residual magnetism. 3, heat treatment process, is probably: oxygen free heating to a certain temperature, and then, with 72 hours slowly cooling to room temperature. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

It is generally believed that the non metallic inclusions in the steel pipe can destroy the continuity and compactness of the steel pipe, and the serious inclusions will lead to the emergence of the phenomenon of steel tube delamination. Another idea is hydrogen induced cracking, which is due to the formation of white spots in the circular tube, the formation of white spots in the circular tube, the formation of layer defects in the rolling process. In addition, the stress exceeds the plastic rotation of the two roller is not uniform deformation, can also lead to the strength of the layered. Control measures of internal layer of steel pipe: 1, improve the plastic toughness of steel tube Improving the cleanliness of molten steel, reduce harmful impurities; increase the proportion of the axis of the floor, reduce the central segregation and central porosity; the reasonable cooling system, avoid cracks in plate; billet rolling plate or offline slow cooling process, reduce internal stress, so as to ensure the organization performance and billet and finished products meet the technical standards. 2, reasonable control of heating temperature The best heating temperature is selected by measuring the thermo plastic curve. Also note that there is enough time to heat the heating pipe to reduce the plastic deformation resistance, improve the toughness. 3, reduce the roll speed Speed is a key parameter for the roll piercing process, in which the rolling speed changes from low to high, and there is a critical delamination starting to roll speed. At lower roll speeds, it is easy to form the lumen; the higher the roller speed, and the delamination defects of the capillary formation are easy to form. In order to eliminate the delamination defects and the capillary, the roll speed should be reduced to the critical delamination starting at the roll speed.

Pipes & Tubings Philippines Expo 2017Philippines Pipes & Tubings ExpoDate: 3/22/2017 – 3/24/2017Venue: SMX Convention Center, Manila, PhilippinesConcurrent Expo: Water Philippines 2017 – International Water & Wastewater Industry EventA dedicated platform for industry experts to showcase product such as Pipes, Tubings, Fittings and Corrosion Control! This event is intended to serve as a cross-border business bridge that can help both suppliers and users to acquire international market information, observe industrial trends and build distribution channels. Pipes & Tubings Philippines Expo is co-located with Water Philippines Expo, an opportunity to target visitors and industry players who wish to learn how to improve water and wastewater facilities and water preservation.  Event news: Website: http://www.waterphilippinesexpo.com/Future Dates:Pipes & Tubings Philippines Expo 20192019-3Manila, PhilippinesVenuesSMX Convention CenterSeashell Lane, Mall of Asia Complex, Pasay City, 1300, Manila Philippines Tel: +63-2-556.8888 http://www.smxconventioncenter.com/OrganizersUBM Malaysia – United Business Media (M) Sdn BhdA-8-1, Level 8, Hampshire Place Office 157 Hampshire, 1 Jalan Mayang Sari, Kuala Lumpur Malaysia Tel: +60-3-2176 8788 http://www.ubmmalaysia.com/

AMM’s Steel Tube + Pipe Conference 2017AMM’s 10th Steel Tube + Pipe ConferenceDate: 3/8/2017 – 3/9/2017Venue: Doubletree Houston Greenway Plaza Hotel, Houston TX, United StatesAmerica’s largest gathering for the steel, tube and pipe industry welcomed 303 delegates from 167 companies back to Houston in March, 2017. Consistency and reliability; these are the two words our conference embodies. Though conditions have been tough for companies with exposure to the recent downtrend in oil prices, opportunities for growth never disappear.  Event news: Website: http://www.amm.com/events/event-calendar.htmlFuture Dates:AMM”s Steel Tube + Pipe Conference 20182018-3Houston TX, United StatesOrganizers

Steel Plate Conference Europe 20173rd Steel Plate Conference EuropeDate: 2017-3Venue: Dusseldorf, Dusseldorf, GermanyThe specialized meeting for Europe’s steel plate market insiders  Event news: Website: http://europesteelplate.com/OrganizersMetal Expert GroupNaberezhna Peremogy str. 48b, Dnipropetrovsk, 49094, Dnipropetrovsk Ukraine Tel: +38-056-375-79-12 http://metalexpert-group.com/

Global Iron Ore & Steel Forecast Conference 2017Annual Global Iron Ore & Steel Forecast Conference & ExhibitionDate: 3/29/2017 – 3/30/2017Venue: Crown Perth, Perth, AustraliaThe Annual Global Iron Ore & Steel Forecast Conference & Exhibition is renowned as the world’s largest gathering of senior iron ore and steel executives with thousands of industry personnel attending it over the years. It is recognised as the conference that delivers vital information on the status of the global iron ore and steel sectors. See which companies have attended in the past here.  Event news: Website: http://www.globalironore.com.au/Future Dates:Global Iron Ore & Steel Forecast Conference 20182018-3Perth, AustraliaVenuesCrown PerthGreat Eastern Highway, Burswood WA, Perth Australia Tel: +61-8-9362 7777 http://www.crownperth.com.au/Organizers Informa AustraliaLevel 18, 347 Kent Street, Sydney, NSW, 2000, Sydney Australia Tel: +61-2-9080 4300 http://www.informa.com.au/

Metal & Steel Middle East 20178th international exhibition for steel, steel fabrication and metallurgy industryDate: 3/2/2017 – 3/4/2017Venue: Cairo International Convention & Exhibition Center, Cairo, EgyptConcurrent Expo: FABEX Middle East 2017 – 8th international exhibition for steel structures, tube and pipe, sheet metal, and metal formingMetal & Steel/ FABEX Middle East Exhibition, since its first edition, has established itself as a solid and reliable platform which caters to the requirement of the region’s booming steel industry. It provides and excellent opportunity for exhibitors to establish new links and increase their market share in the Middle East region.  Event news: Website: http://www.metalsteeleg.com/Future Dates:Metal & Steel Middle East 20182018-3Cairo, EgyptVenuesCairo International Conference Centre (CICC)Nasr Road, Nasr city, Cairo Egypt Tel: +20-2-22633222 http://www.eeca.gov.eg/OrganizersAGEX – Arabian German For Exhibitions & Publishing Ltd30 Mostafa Hamam st., Nasr City, Cairo Egypt Tel: +20-2-22629 682 http://www.arabiangerman.com/

Steel pipe weld cracks are often pided into two types of hot and cold cracks according to different mechanisms. It is produced by thermal cracking of liquids, the solid-state crystallization process in the weld metal, which is mainly produced in the weld metal. The main reason for its low melting point material exists in the weld, when subjected to high welding stress, which weakened the contact between the grains, easy to cause breakdown between the grains. Welding and welding rod containing S, Cu impurities such a long time, prone to thermal cracking. Distribution of Thermal Crack Characteristics along Grain Boundary. When the crack through the surface and the outside world, it is a clear tendency to hydrogenation. In the cooling process after welding cold cracks, mainly in the base metal or base metal and weld fusion line produced. The main reason is that, due to the weld heat affected zone formed or formed in the quenched structure, the alloy steel with the carbon content of the welding element is higher or harder is more likely to be cracked. Over-welding into hydrogen, may also lead to cold cracks. The most dangerous crack defects, in addition to reducing the cross-section than the bearings, but also in the crack at the serious stress concentration, in use will gradually expand, eventually leading to damage to components. Therefore, the presence of such defects, which normally do not allow for welded structures, is a shovel for re-welding. The lack of penetration of the internal defects of steel pipe is the lack of penetration of the workpiece and the weld metal or weld layer between the local incomplete fusion of defects. Incomplete penetration weld thinning of the workpiece section, resulting in severe stress concentration, greatly reduce the joint strength, often a source of weld cracks. Welding slag into the non-metallic slag, that is slag. Welding slag will reduce the working cross-section, resulting in stress concentration will reduce the welding strength and toughness. The porosity of the weld metal at high temperatures, the absorption due to the excessive gas or gas dissolving in the cell, is caused by the metallurgical reaction, the cooling and solidification occurs too late when the bath is discharged, and the welding hole forms a surface inside, hole. The presence of the holes reduces the effective work of the welding cross-section to reduce the mechanical strength of the joint. If there are through holes or continuity, it will seriously affect the tightness of the welding parts. In the welding cracking or welding, the metal in the weld in the local cracked area known as the crack. Cracks may occur in the weld, or both sides of the welding heat-affected zone. Sometimes occurs on the metal surface, the metal may be generated internally.

Method for the identification of steel pipe 1 fake steel pipe prone to collapse. Folding is a kind of broken line formed on the surface of steel pipe, which often runs through the whole product. Folding is due to shoddy manufacturers to pursue high efficiency, pressure amount slants big, produce Erzi, a rolling produced folding, folding products after bending will crack and the strength of steel big decline. 2 and the pipe surface often pitted phenomenon. Ma is due to a defect of groove wear caused by irregular rugged steel surface. As a result of fake and shoddy steel pipe manufacturers to pursue profit, the most frequent rolling mill. 3 fake steel pipe surface easy generation scarring. There are two reasons: (1) fake and shoddy steel pipe material is not uniform, more impurities. (2). Shoddy material manufacturers guide simple equipment, easy to stick steel, these impurities bite roll easily after produce scar. 4 fake wood surface easy to crack, the reason is that it is entirely adobe, adobe air, cooling in the adobe In the process, due to the role of thermal stress, crack, after rolling there is a crack. 5 fake and inferior steel tube is easy to scratch, the reason is that the equipment is simple, easy to produce burr, scratch the surface of steel. Deep scratch to reduce the strength of steel. 6 fake steel pipe without metallic luster, reddish or similar iron color, there are two point two reasons, it is entirely adobe. 2, shoddy material rolling temperature is not standard, their steel temperature is through the visual, so can not according to the provisions of the austenite region rolling, the performance of steel natural cannot reach. 7 fake and shoddy steel tube thin and low, often appear to be full of dissatisfaction with the phenomenon, the reason is that manufacturers to achieve large negative tolerance, a few road before the finished product under the weight of large, iron type is small, the hole filling dissatisfaction. 8.False and inferior steel cross section oval. The reason is that manufacturers in order to save materials, finished and before the second pressure amount slants big, this kind of deformed steel bar intensity is greatly decreased and does not conform to the standard screw thread steel dimensions. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)