... Plating, Tinting/ Polishing/Blacking, etcMOQDepends on the items, please contact us for freeHeat TreatmentQuenching, Normalizing, Annealing, Plating,CarburizingApplicationsAutomotive ... , TNT, etc. to have samples collected ; or inform us your DHL collection account. Then you can pay ... is inversely proportional to machinability, and it can be concluded that as strength and wear resistance increase, the ...