Loading patent…
AssigneeSKF (China) Co Ltd
InventorsFeizhou Zhang, Meng Zhang, Ming Li, Yunfeng Song, Ping Huang, Karl Åke Staffan Larsson
Estimating the term…
The invention provides a heat treatment method for a steel product. The steel product includes at least 0.5-0.7% of Si by weight; the method provides the following steps: step 1) putting the steel product under an Austenitizing temperature of 830-890° C. and lasting for a first time to Austenitize the steel product, step 2) immersing the Austenitized steel product in a salt bath at an isothermal temperature of 200-350° C. and lasting for the second time. The method of the invention improves the toughness and elongation of the steel product, keeps the wear resistance of the product, and can be well applied to the fields of thin section ring of bearings and the like. The invention also provides a steel product and a bearing ring.
A heat treatment method for a steel product comprising:
A steel product obtained by providing a steel product that comprises at least 0.5-0.7% of Si by weight;
A bearing ring, being made of a steel obtained by providing a steel product that comprises at least 0.5-0.7% of Si by weight;
Dependencies are inferred from the claim text.