Jiangsu Hongbao Group Co., Ltd.
Jiangsu Hongbao Group Co., Ltd. Manufacture since 1958
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Seamless Bearing Steel Pipe Round Precision Bearing Steel Tube For Bearing Usage
Bearing steel pipe is the seamless steel tube for hot rolling or cold rolling (cold drawing) for the manufacture of ordinary rolling bearing ring. The outer diameter of the steel tube is 25-180 mm, and the wall thickness is 3.5-20mm, which is divided into ordinary precision and high precision. Bearing steel is used for making ball bearings, roller bearings and bearing rings. Bearing is under great pressure and friction, so the bearing steel is required to have high and uniform hardness and wear resistance, and high elastic limit. On the uniformity of the chemical composition of bearing steel, the content and distribution of non-metallic inclusions are very demanding, the distribution of the carbide, etc, are all steel production in one of the most demanding steel grade.
Main Date
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Material:
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GCr15 |
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Standard:
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GB/T18254, YB/T4146 |
| Outer Diameter: | 10-160mm |
| Wall Thickness: | 1-25mm |
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Delivery Condition:
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+A (after the final cold drawing process the tubes are annealed in a controlled atmosphere) |
| Application: | High Precision Steel Bearing Tube is Widely Used in Bearing Industry and Automotive Parts |
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Process:
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Piercing,Cold Drawing, Spheroidizing Annealing, Annealing etc. |
Trade Information
Trade Term: FOB, EXW, CIF.
Payment: 30% TT in advance, balance before shippment or B/L at sight.
Sample: Free sample but postage is required.
Delivery Time: 15-60 days
Standary export package or as requirement.
MOQ: 10000KG
Package: Standary export package or as requirement
Test
1. Selection of raw materials: We have our own lab to make sure that the matarial we choose is the best .
2. Advanced detection equipment:The turbine detector, Ultrasonic flaw detection & Infrared detection apparatus.
3. Test report with 3rd party.
Please send inquiry for more details.