Bearing Steel Tube adopt ISO 683, ASTM A295,JIS G4805, DIN 17230,as producing standards, and use such well-known steel material as CITIC Group, Bao Steel Group, Benxi Steel, DSSC Group.In order to adapt your country standard, Some of Steel grades as below:
ASTM A295: 52100, 5195, UNS K19526, 5160
JIS G4805: SUJ1, SUJ2, SUJ3, SUJ4, SUJ5
DIN 17230: 100Cr2, 100Cr6, 100CrMn6, 100CrMo7, 100CrMnMo8
Tube range: OD 60-210mm, WT 5-55mm(Hot Rolled); OD 10-135mm, WT 1-20mm(Cold forming)
Wire range: Dia. 5.5-20mm(Hot Rolled); Dia. 1-10mm(Cold drawn)
Delivery Condition: Spheroidized+Hot rolled/Cold Drawn/Cold Rolled+annealed
Surface Condition:Black, Peeled, pickling,polished, machined
Features:
1. High and uniform hardness and wear resistance.
2. Uniform elements and less inclusions.
3. Tolerance of OD: D<50 mm (-0/+0.15mm), D>50 mm (-0/+0.25mm)
4. Tolerance of WT: -/+7.5%(after agreement -/+5%)
5. Straightness: 1 mm/m measured on the outside surface, maximum 2.5 mm/3000mm
