Ma Rivets ayenera kukhala ndi kulimba kwina ndi pulasitiki, ndipo mphamvu yachitsulo yotsika ya carbon ndi kuuma ndi yotsika, koma pulasitiki yapamwamba ndi kulimba, kupanikizika kwachitsulo ndi ntchito yabwino yowotcherera. %.Mapangidwe a annealed a low carbon steel ndi ferrite ndi pearlite pang'ono.
Nthawi yotumiza: Jan-11-2021