Knowledge of stainless steel bearing

Corrosion resistance:
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Stainless steel all is had do not become rusty gender and be able to bear or endure corrode sex. The quantity that follow Cr is added, be able to bear or endure the oxidisability acid such as nitric acid is corroded and high temperature fights oxidisability, vulcanization function progresses. The quantity that follow Ni progresses, be able to bear or endure chloride stress is corroded function and be able to bear or endure the function of reproducibility acid is added. Along with C the quantity is reduced, or attend smooth and steady change an element, of steel be able to bear or endure the function is corroded to obtain between brilliant improve. Along with the accretion that Mo measures, of steel be able to bear or endure reproducibility acid and be able to bear or endure aperture corrode, crevice corrosion function is added. Cu is contained in steel, especially Mo, cu is compound, of steel be able to bear or endure vitriolic function has showing improve, when containing Si~4 ％ , can be able to bear or endure the nitric acid that send smoke is corroded. Reduce C of element of the impurity in a few steel, si, p, the content such as Ti, can regard nitric acid as class, urea class stainless steel is applied.

Mechanical reach physical function:

Stainless steel all is had strong - pliable but strong - the crackajack collaboration of plasticity, microtherm endurance is admirable, can apply as microtherm steel. Reduce along with what the C in steel measures, the intensity of steel has a bit reduce (mild steel is normally taller than carbon person low 29.4~49MPa) the accretion that follows cold deflection, the intensity of steel, when N is being contained in stretch progress steel, the intensity of steel is added. Cr-Mn austenite stainless steel because Mn, the aggrandizement effect that N plays, intensity relatively Cr-Ni austenite steel makes an appointment with 30 ％ high, and model, endurance still beautiful. This kind of steel is more without magnetism, reason can serve as apply without magnet steel.

Mechanical reach physical function:

Stainless steel is followed contain C quantity to add, the intensity of steel, hardness progresses, highest can amount to RC60 above, the wearability of steel is good, but endurance is poor. Contain Mo, when V, the intensity of steel progresses. When containing a few Ni, of steel strong - patiently cooperation is good. This kind of steel has brittleness to change temperature, have magnetism, density is small, aseismatic sex is good, stretch model is measured a bit under carbolic steel. Stainless steel has high strength (ó S is not less than 9800MPa) with tall hardness (RC is less than 36) , have higher strength / heft comparing.

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