the "13th five -人生就是搏尊龙

2019-06-13 16:21:50

in "13th five - year plan"by 2020, the national railway operating mileage will reach 140,000 km to 150,000 km, of which high-speed railway 50,000 km to 60,000 km, is expected to "thirteen" during the high-speed railway total mileage will be completed up to 33,000 km, than the "second five" at the end of the 16,000 km increase 1.0625 times on the one hand to provide a convenient travel to people, on the other hand increased the amount of aluminum sheet in roll.

this is because the aluminum sheet in roll is light material, and the performance is good, in the pure aluminum to add certain elements to form the aluminum alloy sheet has a higher strength than the steel alloy. therefore, industrial aluminum with high weight, high strength and good safety has been widely used in rail transportation, especially in high-speed rail vehicle manufacturing, and has become an important part of rail transit industry.

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