马钢CSP成功生产出电工钢热轧卷

2005年3月1日，马钢采用薄板坯连铸连轧(CSP)工艺成功轧制出第一批MG-W600无取向硅钢热轧卷，这是我国首次应用薄板坯连铸连轧(CSP)工艺生产电工钢产品，它标志着由北京钢研总院、马钢、武钢共同承担的“薄板坯连铸连轧生产电工钢新技术研究”项目取得了实质性的进展和突破。     

薄板坯连铸连轧生产冷轧基板的工艺与组织性能分析

比较分析了薄板坯连铸连轧的工艺特征,轧制工艺特点及板坯热历史,第二相粒子的析出行为,传统流程与TSCR流程中低碳钢的组织、析出、位错、性能差异等,结合薄板坯连铸连轧生产低碳钢板力学性能的生产统计结果实例,提出了冷轧冲压板用热轧基板的成分和性能要求及解决的途径,并给出了在CSP线上进行冷轧基板的冶金成分与工艺控制的生产性试验的初步结果.     

薄板坯连铸连轧工艺生产Q&P钢的可行性分析

根据QP钢生产工艺特点,结合武汉钢铁有限公司CSP产线从钢水冶炼到钢板成卷各工序的工艺控制能力,分析了采用薄板坯连铸连轧工艺生产QP钢的可行性及各工序工艺控制要点。结果表明,薄板坯连铸连轧工艺能够满足QP钢的成分要求,并具备生产部分规格汽车用QP钢的能力;但要实现工业化生产,保证产品性能波动满足下游产业冷加工的要求,现有薄板坯连铸连轧产线的层流冷却系统需进行升级,提高轧后冷却能力和冷却温度控制精度。     

涟钢CSP生产线的半无头轧制技术

CSP生产线的半无头轧制技术直接以生产1．2mm以下热轧板卷为目的。半无头轧制技术在CSP生产线的成功应用，将会大大减少CSP生产线生产超薄板带的成本，提高薄板坯连铸连轧CSP生产线技术的市场竞争力，并加大“以热替冷”的步伐。     

技术信息

·国内·包钢 CSP生产与实践PRODUCTION OF CSP AT BAOTOU STEEL薄板坯连铸连轧工艺技术是现代冶金生产的最先进工艺技术之一 ,它以建设低投入、运行低成本、产品高质量、经营高效益等特点引起国内外冶金工厂的广泛关注和参与 ,在较短的时间内 ,全世界约有 30多条类似的生产线建立起来。目前如何真正认识薄板坯连铸连轧工艺的特点和结合这些特点组织好生产 ,成为各个生产厂家充分发挥好薄板坯连铸连轧工艺的优点的一个课题。包钢薄板坯连铸连轧厂拥有目前国内最紧凑的带卷生产线 ,由转炉冶炼、L F钢包精炼及薄板坯连铸连轧等…     

薄板坯连铸连轧产品质量特性

研究了包钢薄板坯连铸连轧与传统流程产品的组织状态和力学性能区别. 目前包钢CSP流程的现有产品质量特性均达到传统流程同类产品的水平.     

关于薄板坯连铸连轧产品开发问题的探讨

分析了国内外薄板坯连铸连轧产品开发现状及发展趋势,探讨了转炉薄板坯连铸连轧生产HSLC钢的优势,薄板坯连铸连轧HSLA钢微合金元素的控制,薄规格及超薄规格热带产品开发,薄板坯连铸连轧生产冷轧用钢板的技术分析,薄板坯连铸连轧生产高性能、高附加值产品的技术探讨以及薄板坯连铸连轧产品开发的关键工艺技术等.     

信息博览

我国热轧薄板坯连铸连轧机组调研统计到2006年上半年,我国已有珠钢、邯钢、包钢、鞍钢、马钢、唐钢、涟钢、本钢、通钢、济钢、酒钢、唐山国丰12家钢铁企业的13条薄板坯(包括中薄板坯)连铸连轧生产线相继投产,产能约为3500万吨/年。这13条薄板坯连铸连轧生产线的连轧机组的配置均采用了目前最先进的机型配置,CSP线连轧机组全部采用CVC轧机,FTSR线连轧机组采用PC轧机在后两架采用在线磨辊系统ORG,ASP线连轧机组的后四架则采用WRS轧机,先进的轧机配置和控制系统为热轧板带的板厚和板形高精度控制提供了有力的保证。预计5年内,我国的…     

对当前热轧板生产工艺方案的分析

热轧板生产工艺的发展可以分为两大类:即厚板坯常规热轧板生产工艺和薄板坯连铸连轧生产工艺,其中薄板坯连铸连轧进一步发展为中等厚度板坯连铸连轧工艺。厚板坯一般厚度为200～300mm,薄板坯和中等厚度板坯厚度一般界定为50～70mm(包括90mm经软压下到70mm)和90～150mm。铸坯厚度是区别各类连铸工艺的特征参数,也是影响铸坯质量和产品质量的重要参数。在激烈的市场竞争条件下,连铸技术和热轧板生产技术发展到今天,新建热连轧机究竟采用哪种工艺?连铸坯厚度选择多少合适?薄板坯连铸连轧适合生产哪些品种?目前,这些问题在工程咨询和项目建设前…     

CSP线铁素体轧制与奥氏体轧制钢板的组织性能比较

利用光学显微镜、扫描电镜研究分析了CSP薄板坯连铸连轧线（CSP线）铁索体轧制工艺生产钢板的显微组织,通过实验对其力学性能和成形性能进行了研究,并与该生产线采用常规奥氏体轧制工艺生产钢板的组织性能进行比较。研究结果表明：CSP线铁素体轧制工艺生产的钢板组织较粗大,强度较低,塑性较好,且具有良好的成形性。     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness.     

Seven Rare Earth Projects Involving Close to 3 Billion Yuan Investment Landed In the HighTech Zone

正On May 22,Baotou Rare Earth Industry Cooperation Consultation MeetingProject Agreement-signing Ceremony was held in Ningbo,nearly 40 enterprises from Ningbo,Guangdong,Hunan,and Shanxi participated in project consultation.After multi-lateral communication,agreements were signed for a total of 7 rare earth projects successfully.