توزیع کننده بادوام ams 5643
AMS 5643 is used for components such as fasteners, couplings, screws, bushings, studs, fittings, valve stems, roller, wear rings. Technical Standard: AMS 5643 Equivalent DIN ASTM AISI UNS JIS Other 1.4542 X5CrNiCuNb16-4 Grade 630 630 S17400 17-4PH. AMS 5643 Annealed Forged Bar, 17-4PH, Type 630.