Insimbi yesakhiwo impahla iyikhwalithi ephezulu ye-carbon steel ehambisana nendinganiso kazwelonke. Izingxenye zensimbi nezixhumi zicutshungulwa ngokuya nge- “GB/T1912-2002 Izidingo Zobuchwepheshe kanye Nezindlela Zokuhlola Zesendlalelo Esishisayo Sokwenziwa Kwensimbi Yensimbi”. Ngaphakathi nangaphandle insimbi eshisayo kufanele ihlangabezane nezimfuneko zikazwelonke (GB/T3091-93) zemikhiqizo yekhwalithi. Isendlalelo esifakwe uthayela kufanele sibe nokujiya okufanayo, kungabikho i-burr, futhi ukujiya kongqimba olunothayela abukho ngaphansi kwama-60um. Iwukukhiqizwa kwefekthri, kanye nokuhlangana endaweni. Ikholomu yesakhiwo eyinhloko ishiselwe esisekelweni izingxenye zensimbi ezakhiwe ngaphambili; ngaphezu kwenani elincane lokufakwa, ezinye izesekeli ukuxhumeka kwesakhiwo esibamba ukushisa kufakwe ngqo ngezikulufo noma izikulufo zokuzibhoboza kanye nokuthinta.