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    2019年我國nd鋼管的具體産品和産能情況

    2019-05-13 19:49:14 慧投金融配资 閱讀

    在工业生産環節會大量用到鋼管这種管材来進行相應的部件安裝以及對應的基礎建設安裝。對于鍋爐行业和相關行业来說,nd鋼管是應用在其中一個十分重要的鋼管,这種的好壞,影響着整個鍋爐的工作效率和産能。那究竟nd鋼管的外形以及一些要求有哪些呢?下面我們從nd鋼管的外形和一些化学成分中進行綜合分析:尺寸精度和外nd鋼管的幾何尺寸主要包括鋼管的外徑、壁厚、長度、彎曲度、管端面切斜度、坡口角度和鈍邊,異性鋼管的橫截面尺寸等。表面質标準中規定了nd鋼管的“表面光潔”的要求。
    Steel pipe is widely used in industrial production to install corresponding parts and infrastructure. For the boiler industry and related industries, ND steel pipe is one of the most important steel pipes. The quality of ND steel pipe affects the efficiency and productivity of the whole boiler. What are the shapes and requirements of ND steel pipe? Next, we make a comprehensive analysis from the shape and some chemical components of ND steel pipe: dimensional accuracy and geometric dimensions of ND steel pipe mainly include the outer diameter, wall thickness, length, bending degree, end-face shear slope, groove angle and blunt edge of ND steel pipe, cross-sectional dimension of heterosexual steel pipe, etc. The requirement of "smooth surface" of ND steel pipe is stipulated in the surface quality standard. 因此廠家積極推進措施進行改革。nd鋼管行业已開工項目510個,在建項目總投资2699億元。
    Therefore, manufacturers actively promote measures for reform. The ND steel pipe industry has started 510 projects, with a total investment of 269.9 billion yuan.

    其中,煉鐵在建産能3000萬噸,正在設計2800萬噸,規劃建設1700萬噸;煉鋼在建産能2200萬噸,正在設計1000萬噸,規劃建設1700萬噸。
    Among them, 30 million tons of iron-making capacity are under construction, 28 million tons are under design and 17 million tons are planned for construction; 22 million tons of steel-making capacity are under construction, 10 million tons are under design and 17 million tons are planned for construction.

    如果这些項目全部投産,國内煉鐵和煉鋼總産能将分别达到9.15億噸和10.2億噸,折合nd鋼管産能达到10億噸。目前,中國nd鋼管産能利用率已经达到國際公認的過剩或者飽和的邊緣。
    If all these projects are put into operation, the domestic total capacity of ironmaking and steelmaking will reach 915 million tons and 1.02 billion tons respectively, and the capacity of converted ND steel pipe will reach 1 billion tons. At present, the productivity utilization rate of ND steel pipe in China has reached the internationally recognized edge of surplus or saturation.



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