SAE52100/EN31/GCr15/SUJ2 Mechanical Steel Pipe Alloy Bearing Steel PipeProduct Description1,Similar grade: EN31/SAE52100/GCR15/Suj2/100Cr6/SH15
2,Surface treatmentRound bar:Black /Grinding /Polished /Peeled /Turned
Steel plate:Black /Milling /Machined
3,CharacteristicBelong to a kind of high carbon chromium bearing steel which most widely used with a good performance and less alloy content. High hardenability and good comprehensive performance.Good machinability after spheroidizing annealing.High hardness,uniform organization, good wear resistance,high contact fatigue performance after quenching and tempering.And good hot working performance.
4,Main application:
For making all kinds of bearing ring and rolling element.For example; steel ball roller and ferrule of internal combustion engine, electric motorcycle, automonilrd, tractors,machine tools, rolling mill, boring machine, mining machinery, general machinery,high load and high speed roating mechanical transmission bearing.Except ball bearing and bearing ring, sometimes also ued to make tools, such as pumching die,measuring tool.
5,Chemical composition(%)C | Mn | Si | Cr | P | S |
0.95-1.05 | 0.20-0.40 | 0.15-0.35 | 1.30-1.65 | ≤ 0.027 | ≤ 0.020 |
6.Mechanical Properties:Tensile strength | Yield strength | Elongation | Hardeness |
σb (MPa):861.3 | σs (MPa):518.42 | δ5 (%):27.95 | 25.8HRC |
7.Ready Stock: Round Bar diameter 4-290mm.All the sizes as require can be customerized as fresh production with MOQ.
8.Our service1) | Sizes, materials and others are all at your requirements |
2) | Price varies on matierals, dimensions, finish craft and different payments; |
3) | We are direct manufacture in machinery manufacturing work with experience of serveral decades; |
4) | Detail production design will be made according to information you offered; |
5) | adequate inventory, quick delivery; |
6) | advance equipment. |
9.Picture of products:SAE52100/EN31/GCr15/SUJ2 Mechanical Steel Pipe Alloy Bearing Steel Pipe

10. Port of loading: Shenzhen, China11. Terms of Payment30% deposit, balance by L/C at sight or T/T before shipment
12. Lead Time1) For abundant stock, 7-15 days.
2) For customized products, 15-30 days.
13. About UsGuangzhou Changfeng Steel Co., Ltd. is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.