To ease urban congestion, the Beijing carbon steel seamless A106 steel pipe municipal planning multi-level rail network. In addition to the subway, the future planning and construction the trams, suburban railway, etc. To this end, Beijing urban rail transit is stepping up large diameter ASTM end cap for water pipe efforts to formulate a recent construction planning the 2020 version, in series with each new city center of suburban railway, will start construction. Which belongs to hebei but close relations with Beijing yan jiao, langfang, sanhe belong to planning the third layers, is astm a53 schedule 80 galvanized steel pipe expected to adopt the way of suburban railways through Beijing.
On the outskirts of the 2020 edition is Double-sided submerged arc welding steel pipe different from existing suburban rail line, but on the basis of the existing S1, S2 line, new, 1000 km suburban railway network planning around 9 lines connect 11 new cities. , for example, in the 2020 edition of the planned S6 line will connect shunyi, tongzhou, e-town, huangcun, such as well as the new city, suburban rail lines is also going to center city subway network cohesion, for the convenience of transfer passengers.
According to the Beijing GuiHuaWei passage of time, around Beijing city made several layers of the division of: the first circle is 15 km from the town center, within the scope of the travel time is probably in about 30 minutes; The second circle around 25 km, travel time in 45 minutes; Third layers is 60 km, hoping to reach an hour of travel. Yanjiao, langfang, sanhe is in the third layers. After the completion of suburban railway, the train will mention 160 kilometers per hour, 60 km from Beijing yan jiao, langfang, sanhe, to the city center for three to four general station can reach, ensures that one hour to arrive at the city center.
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