GB GCR15 Alloy Steel Round Bar For Bearing
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional gb gcr15 alloy steel round bar for bearing manufacturers and suppliers in China. Welcome to wholesale customized gb gcr15 alloy steel round bar for bearing at competitive price from our factory. Good service and quality products are available.
GB GCR15 Products Description
GCr15 is the most commonly used high-chromium bearing steel with high hardenability and high and uniform hardness after heat treatment. The wear resistance is better than GCr9, the contact fatigue strength is high, it has good dimensional stability and corrosion resistance, the cold deformation plasticity is medium, the machinability is average, the weldability is poor, it is sensitive to the formation of white spots, and it has the first type of temper brittleness. In the manufacturing of ball bearings, it is used to carry bearing sleeves with an impurity wall thickness of 12mm and outer diameter <250mm, H to C grade, steel balls with a diameter of 25.4-50.8mm, and rollers with a diameter <22mm. In addition, it can also be used to bear large loads. Other mechanical parts and various precision measuring tools and cold stamping dies that require high wear resistance, high elastic limit, and high contact fatigue strength. Such as the ball screw of machine tools, the nozzle, plunger, valve, bushing, etc. of a turbojet engine nozzle.
Scope Of Application GB GCR15 Bearing Steel
GB GCr15 steel is widely used for a variety of applications in the used to the bearings in rotating machinery. Typical applications such as valve bodies, pumps and fittings, the high load of wheel, bolts, double-headed bolts, gears, internal combustion engine. Electric locomotives, machine tools, tractors, steel rolling equipment, boring machine, railway vehicle, and mining machinery transmission shaft on the steel ball, roller and shaft sleeve, etc.
Chemical Composition Of GB GCR15 Steel Material
| C | Si | Min | P | S | Cr | Cu | Ni |
| 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | s0.025 | s0.025 | 1.40-1.65 | s0.25 | s0.30 |
Mechanical Properties Of GB GCR15 Bearing Steel Material
| Tensile | Yield | Bulk modulus | Shear modulus | Poisson's ratio | Thermal conductivity |
| MPa | Mpa | Gpa | Gpa | W/mK | |
| 520 | 415 Min | 140 | 80 | 0.27-0.30 | 46.6 |
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