silicasol investment casting of stainless steel

Tolerance according to CT5

 Material:304 316 316L WCB CF8m CF3m 1.4408,1.4308,301,

test chemical composition by spectrograph ,

Test mechanics strength by HB or HV hardnesstester,tensile strength tester,

also detecting pores by magnetic powder inspecter

All the machining work on CNC lathe,undertake TS 16949 system control.