Hengcheng machinery co.ltd is a production-oriented enterprise with export entitlement of precision casting and resin sand casting for a broad range of appliance,such as machinery equipment,auto spare parts,medical and foodstuff appliance,construction hardware,mining mechinery and so on.
Hengcheng has all the qualification for every product in the process,any precudure is strictly complied with the quality requirement.
We are facilitated with the advanced CNC working centers,spectra analysis instrument,CMM,UT,MT,and mechanical property test equipement for the tensile strength,brinell hardness,metallographic structure,all of which can ensure the products meet the different standards of GB, ASTM, AISI, DIN, BS, JIS etc.
material austenitic staniless steel: 201,303,304,316,316L,1.4581,SCS14,SCS16hardening Stainless Steel 17-4PH,410,420,440Calloy Cast Steel4140,4150,4340,8620,GS-25CrMo4cast Alloy Tool SteelCS-2,CS-7,CrWMncarbon Steel1020,1025(WCB),1030,1040,1045,1050weight 2g-50kgaccuracy Class CT4-CT7surface roughness up to Ra1.6~Ra6.3tolerance outer radius≥0.3mm,inner fillet≥0.5mmmachining turning,milling,drilling,boring,threading,grinding machine,CNC/NC machining and test facilities.heat treatment anneal,quenching,normalizing,carburizing,solution.surface treatment zinc coating,black oxide,black painting,power painting,mirror polish,satin polish etc.stardard applied ASTM,ICI,BS,DIN,JIS,ISO