(brass) or tin alloys, for instance, are used as a solder material. the solder material is added as a wire during the process, but can also be applied as a soldering paste. it can be differentiated between brazing with melting temperatures > °c and soldering with temperatures < °c. the brazing process...
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raw materials steel trading logistics distribution our group ebcom general trading ebcom ferrous and non ferrous alloy ebcom pakistan new al-hilal flour mills contact us home page sitemap sitemap home about us vision mission initiatives products steel ferrous & non ferrous alloys agricultural tractors...
. tonnes); a workshop with the area of m equipped with cnc units for machining large and medium-sized metal structures (max. tonnes); a multifunctional workshop m equipped with ton crane which is suitable for final assembly and adjustment; a workshop for manufacturing constructions from aluminium alloys...
kansson، نويسنده , , susan jagner، نويسنده , issue information : روزنامه با شماره پیاپی سال pages : from page : to page : abstract : copper(i)-mediated quaternisation of -diazabicyclo[ . ]octane (dabco) in dichloromethane solvent affords the dichloromethylated ligand, which has been isolated as the copper...
you for smooth import or export of zinc and articles thereof zinc , unwrought zinc, not alloyed, containing by weight percent or more of zinc zinc, not alloyed, containing by weight less than percent of zinc zinc alloys zinc waste and scrap zinc waste and scrap zinc dust, powders and flakes zinc dust...