ASTM a269 chubu ndi mtundu wa chubu, pamwamba ndi yowala kwambiri, kutalika ndi yaitali kwambiri, kutalika kungakhale mpaka 4000M/koyilo popanda welded, uasage: akhoza kukhala amene makamaka ntchito mafuta, gasi, mankhwala. mafakitale, shipbuilding ndi zina industries.Steel chubu chuma:316L...
Werengani zambiri