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Taian Xinyuan Precision Steel Ball Manufacturing Co.,Ltd
Contact: Miss zhao
Mobile: +86 156-2152-0396
Mail Address sales@xysteelball.com
Address:  No. 10 Fushan Industrial Park, Ningyang County, Taian, Shandong, China
Postal Code:   271000

XYB STEEL BALLS QUALITY
 


 
XYB manufactures to American Bearing Manufacturers Association (ABMA) Standard No.10 and to customer specifications where appropriate. Strict lot control throughout production ensures traceability of both the wire used and the personnel involved at each stage of manufacturing.

Ball Quality is Defined as Followings:

Surface --- Size --- Sphericity


Surface Hardness:
is measured on the Rockwell Scale. Minimum hardness is RC 60 for carbon, chrome and 440 stainless balls and various for other products according to the material and desired toughness.

Case Depth
is the radial distance from the ball surface to the point where hardness falls to Rockwell C50. The core is the remaining soft inner area.

Surface Integrity
is defined as the surface smoothness and freedom from defects, such as flats, pits, soft spots and cuts. Balls must be free of such defects when inspected without magnification.

Size
is the mean diameter, measured between two parallel planes on the ball surface.

Sphericity
is defined as the deviation from a true spherical form (out-of-round condition).
 
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All rights reserved :Taian Xinyuan Precision Steel Ball Manufacturing Co.,Ltd | The contact :Manager zhao | Tel:+86 156-2152-0936
 The url:www.xysteelball.com  |  Add:No.10,Fushan Industrial Park,Ningyang County Taian City,Shandong Province   ;【Management of land】