| Customization: | Available |
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| Usage: | for Experiment, for Air Conditioner, for Manufacture, for Refrigerate |
| Certification: | RoHS, ISO, CE, CCC |
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Rail transit fan impeller for aluminum alloy lower pressure casting
Rail transit fan impeller belongs to railway transportation fan parts, the casting process of fan impeller is aluminum alloy precision casting lower pressure casting, the material of Rail transit fan impeller is aluminum alloy. The surface smoothness of fan impeller can achieved at Ra3.2μm.
Our main products: Magnetic suspension blower impeller, air suspension blower impeller, compressor impeller, multistage comprssor impeller, rail transit fan impeller, blower impeller, fan blade, blower cooling flow, blower diffuser, blower housing...
Our casting process includes aluminum alloy precision casting, aluminum alloy lower pressure casting, aluminum alloy plaster model lower pressure casting, aluminum alloy wax model lower pressure casting...
All inspection process will be finished in our factory, including non-destructive inspection and destructive inspection
Non-destructiove inspection: *Visual inspection *Surface defect testing *Dye penetrant testing * Radiography testing * Ultrasonic testing *Size testing by CMM
Destructiveinspection: *Tensile strength testing *Yield strength testing *Hardness testing *Chemical composition testing by spectrograph
We main offer OEM service, accoridng to customer's drawings or samples we can custom-made parts, if have any requirements please contact me. 
| Element | C | Cr | Ni | Mo | Al | Ti | Fe | Nb |
| Content | 0.08-0.16 | 11.5-13.5 | BAL | 3.8-4.8 | 5.5-6.4 | 0.5-1.0 | ≤1.0 | 1.8-2.5 |
| Element | B | Zr | Mn | Si | P | S | Pb | Bi |
| Content | 0.008-0.02 | 0.06-0.15 | ≤0.5 | ≤0.5 | ≤0.015 | ≤0.01 | ≤0.001 | ≤0.0001 |
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