After numerous research and development, Jiuquan Steel is rolling out high-end stainless steel intended for electronic products. So way, "Jiugang Made" can end up being branded on high-end mobile phones, reflecting fashion and popular brands.



In today's fast-paced life, electronic products with large facial value, good touch and good signal are a growing number of popular with consumers. Determined by the actual demand, Jiugang thought he would "eat crabs first", concentrating its superior durability on tackling technical problems like purity and permeability 1 by 1. It took the steer in developing ultra-pure anti-electromagnetic shielding austenitic stainless steel for high-end electronic solutions in China, which was successfully applied inside manufacture of well-known mobiles and became the grouped domestic supplier of International high-end phone manufacturers.



In November 2016, following your international high-end mobile telephone manufacturer technical team frequented Jiuquan Iron and Iron Co.,Ltd. and set up a preliminary cooperation motive, Jiuquan Iron and Metal Co.,Ltd. set up an investigation and development team, technicians wanted standards and documents, and inspected and analyzed ordinary 316L steel. According to the performance indicators proposed by manufacturer, the main target is on purity in addition to permeability of molten steel, aiming to seize the chance and win trust.



After defining the idea of research and development, technicians analyze the chief factors affecting the continuing ferrite content and find the suitable composition and also distribution ratio of new austenitic s / s; study the smelting procedure for pure steel to reduce the number and size of non-metallic inclusions; optimize the hot working process to stop micro-cracks and peeling disorders of high alloy subject matter austenitic stainless steel in the operation of heating and very hot rolling; Optimize the temperature curve of hot-wire strong solution treatment, control the particular grain size, and obtain good plastic toughness list. The work hardening curve of these kinds of steel can be received through experiments to much better control the hardening solidity index.



From technical planning to order delivery, with only 2 months, the best 100 tons of ultra-pure anti-electronic shielding austenitic s / s developed and produced by means of Jiuquan Iron and Aluminum Co. reached the consumer’s hands smoothly. The test results show that this chemical composition and mechanical properties on the product meet the needs of American Standard, along with the permeability, inclusion control level and forming performance meet what's needed of the industry. After a smaller trial production, Jiuquan In terms of iron and Steel Co. has been promoted as a experienced supplier of international high-end cell phone manufacturers.



The R&D team made further efforts to create the process control points of ultra-pure anti-electronic shielding austenitic stainless steelproduction, and also the key technologies of smelting, scorching rolling, annealing, pickling, cold work hardening and also other processes, and realized that mass industrial production.
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