Steel Ball Sign,Packaging And Storage
1.Steel ball sign show as follow:
(1).steel ball nominal ball diameter,express the diameter numerical value with ball gauge and ball subgauge is zero,the unit is mm.
(2).steel ball tolerance grade express with "G" and number.
(3).ball gauge or sign"B",express with plus sign or subtraction sign,number.
(4).ball subgauge,express with plus sign or subtraction sign,number in small parenthesis.
(5).express steel ball country criterion serial number and technology qualification supplement serial number.
2.Packaging
the packaging supply to the customer should according JB3034-82<bearing oil seal anti-rust packaging>.
3.Storage
outside the
steel ball container,should indicate steel ball detail:number,material,steel ball sign,serial number,manufacturer and output date.
