Jiaxing bearing group company: quality of bearing steel and metallurgical performance requirements

There is rotational, have HRB bearing ( ) Jiaxing bearing group company: quality of bearing steel and metallurgical performance requirements. Jiaxing bearing group sales co. , LTD. ( The company) Is in jiaxing bearing group set up by the spot sales window, specializing in HRB brand bearings, existing stocks of 50 million yuan, covers the whole bearing, have very strong cash supply ability. In order to meet the performance requirements of dynamic bearing, the bearing performance of steel materials is put forward the following some basic requirements: 1) High contact fatigue strength, 2) Should have high hardness after heat treatment or can satisfy the requirement of bearing performance of hardness, 3) High wear resistance, low friction coefficient, 4) High elastic limit, 5) Good impact toughness and fracture toughness, 6) Good dimensional stability, 7) Good rust resistance, 8) Good cold and hot working performance. According to the above basic requirements for bearing steel, the quality of bearing steel metallurgy puts forward the basic requirement of the following; (1) the chemical composition of strict requirements; (2) the high dimension accuracy requirement, for use in the upset forging of hot rolled out a burning stick, should have a higher request for the size accuracy; (3) special strict purity requirements; (4) strict macrostructure and microstructure, At high magnification) Organization requirements; (5) special strict surface flaws and internal requirements: including surface crack surface defect, surface slag, burr, folding, scarring, scale, etc. ; Internal defects including shrinkage cavity, bubbles, white spots, burnt, severe osteoporosis and segregation, micro pore, etc; 6 strict carbide inhomogeneity requirements; All landowners surface decarburization layer depth of the strict requirements; Today other requirements: such as bearing steel smelting method, hardness, fracture, oxygen content and annealing residual elements, spark test, delivery status, etc. 。 24-hour customer service hotline: if you are more interested in jiaxing bearing group company introduces industry information or have any questions, please click on contact us page on the right side of the online customer service, or call:, you close the way of jiaxing bearing purchasing advisors. - - - - - - Editor: HRB bearing company sourcing consultant LTD. All rights reserved, The company) Reprint please indicate the source