hat
Bon jan kalite sifas: Ra brutalite sifas nan de sifas yo fen yo ta dwe pa plis pase 3.2l maman (sijè a kondisyon enspeksyon ultrasons), brutality nan sifas Ra nan sifas ki anndan ak deyò yo ta dwe pa plis pase 12.5m (Ra ta dwe gen okenn plis pase 3.2 m lè enspeksyon à bezwen sou sifas sikonferans eksteryè), ak rayonnen chanfrense a ta dwe 5-15mm.
eng
Surface quality: the surface roughness Ra of the two end surfaces should be no more than 3.2l mum (subject to ultrasonic inspection requirements), the surface roughness Ra of the inner and outer surfaces should be no more than 12.5m (Ra should be no more than 3.2m when ultrasonic inspection is needed on the outer circumference surface), and the chamfering radius should be 5-15mm.