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