Description

 The production process
Raw material, wire drawing→cold forging →flashing→Soft string→ heat treating →hard string→polishing  →boil dry →sort→packing
→entering warehouse
 
Description:
 
MATERIAL SPEC. NO/REV/DATE SPECIFICATION/LIMITS
Material  AISI ****0 Chrome steel ball
Grade  G***0
Ball Diameter 5/*2" (3.**9 mm)
Dw- 
Standard  ABMA Std. *0A****1
Variation of Ball Diameter ≤ *0 um
Vdws 
Deviation from spherical form ≤ *0 um
△Rw 
Variation of ball lot diameter ≤ **0 um
Vdwl 
Hardness ≥ *0 HRC
HRC 
Surface corrosion and decarburization No visual damage
Surface appearance