Domestic long-distance pipeline to the welding under the welding current development and proposals

With the global industrialization the acceleration of information technology energy demand and the increasing tension in the domestic long distance pipeline to speed up the pace of construction and forced long distance pipeline to start with high grade steel pipe large diameter thick wall of Driven by this trend the traditional arc welding semi automatic welding and is gradually being replaced by automatic welding methods welding is also from the traditional to the progressive development of all position welding under the welding with the promotion and lead from long distance pipeline welding materials used in construction innovation and development br br First under domestic and international long distance pipeline to the welding current development of welding materials br Now with the methods and long distance pipeline welding pipe material thickness and diameter of changing the long distance pipeline welding materials demand features a more reasonable strength and toughness high deposition rate and deposition rate the better for all position welding next to the field forming ability and good welding operation process performance low spatter and harmful dust rate and higher environmental protection requirements which the pipeline welding material research and development put forward higher requirements br br China for the long distance pipeline to the welding under the welding material is only in recent years manufacturers have children at home to begin research and development currently next to the welding area with a high cellulose type electrode only mature Sichuan Atlantic CHE425GX 3 2 4 0mm electrode and the China Shipbuilding Heavy Industry 725 development and production of SRE425G 3 2 4 0mm electrode SRE505G 4 0mm electrode SRE555G 4 0mm electrode Iron powder low hydrogen type electrode the domestic market has not matured Only flux cored wire side Tianjin Golden Bridge JC 29Nil 2 0mm and JC 30Ni2 2 0mm self shielded flux cored wire Solid wire side is currently only Jinzhou Jin Tai JM 58 ER70S G 1 2mm JM 68 ER80S G 0 9 1 0mm welding wire used in the construction of which long distance pipeline br br Abroad under a duct to the development and application of welding consumables earlier stable performance present a more well known enterprises Lincoln welding Herbert welding consumables welding Bole Austria Sweden ESAB Welding Italy RMS SAF welding consumables welding Pohang South Korea and Japan Kobelco welding consumables High cellulose type welding electrode type encompasses E6010 E8010 E9010 iron powder low hydrogen type electrode E8018 E9018 E10018 self protection gas shielded flux cored wire E71T8 E81T8 and the protection of real gas cored wire ER70S ER80S ER90S ER100S and so on Comprehensive performance which are more prominent Bole Lincoln Cellulose and low hydrogen welding consumables Lincoln Herbert self shielded flux cored wire and solid wires for gas shielded horses br br Overall the domestic pipeline welding consumables to the species under the few and not all iron powder low hydrogen type welding it has yet to come out samples gas shielded solid wires for welding steel pipe used only for low level high cellulose type welding materials and self shielded flux cored wire is also still in the improvement stage its size brand and market awareness of still takes a long time The welding materials from foreign manufacturers have their own famous brand for pipeline welding construction which now has its own main product part of the market monopoly In fact in recent years and has been the focus of long rise under construction next to the pipeline construction welding welding welding almost all foreign brands domestic manufacture of the corresponding consumables for the performance of bulk instability and performance status since the pipeline owners still use less br br Second the domestic long distance pipeline welding under the welding material to the development bottleneck br Under China 39 s long distance pipeline to the development of welding materials welding bottleneck in the following areas br br 1 national government departments and major welding materials manufacturer for the domestic long distance pipeline welding under the welding research and development to pay enough attention to invested in short supply br br 2 the corresponding scientific institutions and research institutions welding factory next to the welding consumables for joint development cooperation is not enough product development the durability of the weak br br 3 not too many early technical reserves restricted under the domestic scientific research institutions of the pipeline welding consumables to the independent innovation capability br br 4 The foreign ministers of the pipeline welding under the welding materials to push into the domestic market its overall performance advantage market awareness and reasonable price inhibition of the domestic institutions manufacturing product development efforts on the corresponding br br 5 the development of domestic manufacture of welding materials manufacturer obsolete equipment limiting the performance of the stability of bulk consumables br br 6 taking into account the many potential risks domestic investment pipeline project owners contractors and the technology sector under domestic welding consumables to support efforts not enough some extent restricted the growing diversification of products branding and advanced br br 7 domestic manufacturers of intellectual property awareness advocacy implementation and protection is not enough to combat the domestic long distance pipeline welding research and development with enthusiasm br br Third the domestic long distance pipeline welding under the welding material to the development proposal br Nearly 20 years both domestic and international pipeline construction in the peak of the next pipe to the weld will be the way of concern for a long time domestic R amp D institutions under the welding consumables for the research and development promote the use and enhance the independent innovation capacity I provide the following personal point of view a few suggestions br br 1 should increase financial input and support to strengthen government efforts to enhance self innovation capability adapt wT0 market rules under the domestic pipeline welding consumables to the research and marketing constraints requirements and contribute to pipeline welding under the welding industry of br br 2 broaden the diversity of product development the formation of a broad series of sexual and in particular should focus on self shielded flux cored wire gas shielded arc welding wire and special welding methods welding of special materials with high R amp D followed by market demand br br 3 in the product development process should pay attention to the environmental effects of products br 4 of the product 39 s packaging effect increase publicity strengthen brand awareness while in the well known brand called out the slogan to strengthen intellectual property protection efforts br br 5 to develop appropriate technical standards and manufacturing standards in particular pay attention to them up to national standards to promote R amp D of the standard br br 6 integration of R amp D human resources customs stop turn and the policy of integration of the several large manufacturing and welding consumables to support the promotion focus

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