Investment casting we used here are lost wax casting, are always classified in 2 types, one we called here is an American style silicate process with green wax (median-temperature wax) and better sand, with very smooth surface, tight tolerance, suitable for small part making widely used for stainless steel, carbon steel. It's different with an Russian style investment casting actually called soluble glass process with white wax (low-temperature wax ) and rough sand with relative rough surface, bigger tolerance, suitable for large part making more than 1.00KGS especially for carbon steel, alloy steel, sometimes also for ductile iron and grey iron.

Material: ASTM  
Stainless Steel  Alloy Steel & Carbon Steel  Other 
CA-15  CF-8M  A732  A356  HK-40 
CA-40  CF-8C  A27  A487  HK-30 
CF-3  CA-6M  A216  A352  HC 
CF-8  316  A486  　  HH 
316L  304  A643  　  HP 
303  410  　  　  　 

lost wax process
complex shell process
sodium silicate shell process
soluble glass process
we are a professional and experienced foundry(investment casting) with ISO-9000 certified.
Our modern facilities for spark spectrometer, tensile strength, hardness tester, and metallurgical
Analysis equipment etc. can assure the mechanical properties and chemical elements according to your request. investment casting, investment castings
Saivs machine shop is able to provide center-machines, CNC, and milling machines for varied machining request, and for which as polishing, plating, heat treatment, assembly, testing also would be available  investment casting, investment castings, lose wax casting, precision casting, complex shells process

Machining
Our Precision CNC Machining services including CNC milling centre (4 axis), CNC turning lathe, CNC drilling, CNC tapping, slotting, broaching machine, polishing, wire cutting, surface grinding and cylinder grinding machine etc. Our engineer and technician can give you a reliance of high quality at commercial machine proces