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在汽车行业的不锈钢宽带应用

» 新闻 » Wide application of stainless steel in the automotive industry

在汽车行业的不锈钢宽带应用

五月 24, 2019

 

在过去的十年, 不锈钢已被广泛使用在公共汽车, 地铁, 高速铁路车辆和在中国的公共的交通工具. 铝合金车都选择了城市轨道交通在上海, 广州, 武汉和重庆. 天津滨海快速轨道交通采用不锈钢汽车; 北京地铁四号线 15 adopts the stainless steel subway vehicle products independently developed for the first time in China. The total number of trains on the line will reach 15, two of which will be ready vehicles.

Stainless steel has not only corrosion resistance, but also good physical properties and surface quality, widely used in automobile manufacturing, the application of the main components are the following categories.

1, exhaust system with stainless steel: most of the ferritic stainless steel, is the automobile stainless steel application most parts. 409L,436L, 等等. are commonly used stainless steel. From the point of view of economy and practicability, some European and American countries often choose 0Cr11Ti type ferritic stainless steel for their exhaust system, while Japan basically USES 13Cr~17Cr ferritic stainless steel and its improved type.

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2, automotive fuel tank with stainless steel: stainless steel fuel tank in addition to no fuel leakage risk, and has excellent corrosion resistance and good formability, and can save or simplify the coating process, and easy recovery. 304L, jfe-sx1, 等等. are commonly used stainless steel.

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3, car frame with stainless steel: combined with the excellent performance of the car frame design and stainless steel materials, can make the car anti-impact performance is good, light weight, high safety and reliability and long life, in addition, such a frame can also be completely recycled. 409L, 3Cr12, 304L are commonly used stainless steel.

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4, automobile stainless steel parts: mainly stainless steel seal ring and heat exchanger, seal ring generally 301 不锈钢, heat exchanger generally use SUS304, SUS430 and SUS409L stainless steel materials; Cr-Ni austenitic stainless steel is also used on some parts. 0Cr17, 0Cr18Ni9 for oil cooler plate heat exchanger; 0Cr17 can be used for headlamp retainer, large bus handrails, safety railings, 等等.

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5, car decoration with stainless steel: small cars use stainless steel embedded strip, antenna, wheel cover, etc., in large buses, vehicles handrails, safety railings, hanging rod also use stainless steel. In order to reduce the cost, the rearview mirror is mainly made of SUS430J1L stainless steel. Automobile windshield wiper USES SUS430, SUS304, SUS301 and so on. Car safety devices are also often made of stainless steel. 例如, the belt tightening device USES SUS301 stainless steel, the sensor of the air bag and the booster pump mainly use SUS304 and SUS304L stainless steel, ABS induction ring USES SUS434, SUS444 and other steel.

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6. Automobile frame or overall shell: it is an automobile frame or overall shell made of stainless steel containing 11% ~ 12% 铬. 常用的品牌有00Cr11Ti, 0Cr11Ni4Ti和00Cr12NiTi. 一些国家已经在大型公交车用不锈钢, 煤炭运输车辆, 城市地铁车辆等.

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汽车行业是增长最快的不锈钢应用领域. 公共汽车, 地铁, 高速铁路车辆和其他公共交通车辆也广泛使用不锈钢. 要加大对高档车的市场需求, 考虑到制造成本, 维护和能源消耗, stainless steel car significantly lower than that of aluminum alloy and carbon steel models, so the stainless steel car is the most economical vehicles, has great prospects for development, made of stainless steel used in automobile manufacturing industry showed a trend of worldwide expansion, has great potential market.

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