International organization for standardization No. Type Standard Number Subject 1 ISO ISO 65—1981 Carbon steel pipe for ...
Mainly introduce the start plan of national carbon emissions trading market.
Mainly introduce three kinds of forming technologies of large size seamless pipe fittings.
How to treat hot-rolled seamless steel pipe scale 1, three acid (sulfuric acid, nitric acid and hydrochloric acid) pickling: three acid pickling is made from three acid according to certain proportio....
Mainly discuss Venezuela will get a $5 billion loan from China, which may used in oil pipeline and other engineering projects.
Mainly introduce the changeable competition factor and unchangeable competition factor. Meantime, elaborate the importance of unchangeable competition factors research.
Corten steel, also called weathering resistance steel, is mainly used for the economizer working in high sulfur gas, air preheater, heat exchanger and the evaporator, are used to resist corrosion, sul...
Oil Wells and gas Wells steel pipes include the drill pipe for mining, well wall protection pipe inserted inside the well to prevent formation collapse and pipeline system hanged inside the wall prote...
Mainly list the Statistics of America’s steel imported in April, 2015.
Mainly list the six kinds of difficulties we may encounter in the research of 120X pipeline steel.
Mainly introduce the production equipment, processing technology and technical standards of HDPE external prrotecting tube.
Mainly introduce Biz opportunities brought by the China high-speed rail "going out"
Detailed list nine measures to improve the precision of welded steel pipe wall thickness.
Mainly introduce the cleaning requirements, cleaning principle, cleaning line process and system composition and so on.
Mainly discuss how to control the quality of LSAW steel pipe.