M2-M72 Din Gar931 933 Ma Metric Medric A320 L7M Hex Bolt Anoy Bolt Bolt
Tizilombo toyambitsa matenda a Astil l7m alloy ma bolts ndioyenera kusonkhana pamalonda ndi mafakitale zofunikira monga zodulidwa, zomangamanga, grills ndi zomangamanga.
Alloy 20 (alroy 20) ndi Aluto wochokera ku chitsulo chokhazikitsidwa kuti athe kukana sulfurosic acid kuvunda. Ili ndi kukana kwabwino kwa sulfuric acid kuvunda; Ili ndi kukana kwamphamvu ku phosphoroc acid, nitric acid ndi chloride madera, chloride kupsinjika kukhetsa, kuponderezana ndi kuwonongeka. Chifukwa chake, alloy 20 ali ndi dzina la anti-Corrosion alloy; Ili ndi ntchito zingapo: monga: mankhwala, chakudya, mankhwala, kupanga mphamvu ndi mafakitale kumagwiritsa ntchito. Chifukwa chokana kuponyera chipongwe ndi chloride chiwonongeko, kupsinjika kuwononga mavuto, etc. 20 amakonda 20 nthawi zambiri amagwiritsidwa ntchito.